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• Effects Determinations for the California Red-legged Frog and other California Listed Species

Effects Determinations for the California Red-legged Frog and other California Listed Species

2,4-D	Acephate	Acrolein	Aldicarb	Alachlor	Aluminum Phosphide	Atrazine	Azinphos methyl	Bensulide	Bifenthrin
Bromacil	Brodifacoum	Bromadiolone	Bromethalin	Carbaryl	Carbofuran	Captan	Chlorophacinone	Chloropicrin	Chlorpyrifos
Chlorothalonil	Cholecalciferol	Cyfluthrin and Beta-Cyfluthrin	DCPA	Deltamethrin	Diazinon	Dicofol	Difenacoum	Difethialone	Diflubenzuron
Dimethoate	Diuron	Diphacinone	Disulfoton	Diquat Dibromide	Endosulfan	EPTC	Esfenvalerate	Fenamiphos	Glyphosate
Hexazinone	Imazapyr	Iprodione	Lambda-Cyhalothrin	Linuron	Magnesium Phosphide	Malathion	Mancozeb and Maneb	Mancozeb	Maneb
Metam sodium	Methamidiphos	Methidathion	Metolachlor	Methomyl	Methoprene	Methyl Bromide	Methyl parathion	Molinate	Myclobutanil
Naled	Norflurazon	Oryzalin	Oxamyl	Oxydemeton Methyl	Oxyfluorfen	Paraquat	Permethrin	Pendimethalin	Pentachloronitrobenzene (PCNB)
Phorate	Phosmet	Potassium	Prometryn	Prometryn	Propargite	Propanil	Propyzamide	Rotenone	S-Metolachlor
Sodium Nitrates	Simazine	Strychnine	Telone	Tribufos	Thiobencarb	Triclopyr	Trifluralin	Vinclozolin	Warfarin
Zinc Phosphide	Ziram

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Effects Determination for 2,4-D and the California Red-legged Frog and Alameda Whipsnake

Transmittal Letter (PDF) (2 pp, 125K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/09)

Effects Memorandum (PDF) (2 pp, 104.53K) from Christine Hartless, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/20/09)

2,4-D Analysis (PDF) (184 pp, 2.08MB) Risks of 2,4-D Use to the Federally Threatened California Red-legged Frog and the Alameda Whipsnake (2/20/09)

• Appendix A: Multi-ai Analysis (PDF) (7 pp, 83.54K)
• Appendix B: Supplemental Fate Information (PDF) (50 pp, 378K)
• Appendix C: Detailed DPR PUR Data (PDF) (5 pp, 108K)
• Appendix D: PRZM/PE5 Output Files (PDF) (15 pp, 267K)
• Appendix E: Review of Dioxin Contamination (PDF) (4 pp, 82K)
• Appendix F: Ecological Effects Data (PDF) (32 pp, 289K)
• Appendix G: ECOTOX Literature (PDF) (398 pp, 7.07MB)
• Appendix H: EIIS Incident Data (PDF) (57 pp, 817K)
• Appendix I: RQ Methods and LOC Definitions (PDF) (3 pp, 20K)
• Appendix J: T-REX Output Tables (PDF) (3 pp, 43K)
• Appendix K: T-HERPS Output Tables (PDF) (2 pp, 26.97K)
• Appendix L: TerrPlant Output Tables (PDF) (2 pp, 25.64K)
  
• Appendix M: Supplemental Aquatic RQ Tables (PDF) (24 pp, 361K)
• Appendix N: Master Label (PDF) (40 pp, 496K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4 MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
• Attachment 3: Life History of the San Francisco Bay Listed Species (PDF) (86 pp, 423.08K)
• Attachment 4: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp, 1.50MB)

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Effects Determination for Acephate and the Bay Checkerspot Butterfly, California Clapper Rail, California Fresh Water Shrimp, California Tiger Salamander, Salt Marsh Harvest Mouse, San Francisco Garter Snake, San Joaquin Kit Fox, and Valley Elderberry Longhorn Beetle

Transmittal Letter (PDF) (2 pp, 60K) from Anita Pease, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/19/2011)

Effects Memorandum (PDF) (3 pp, 74K) from Jean Holmes, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (12/19/2011)

Acephate Analysis (PDF) (199 pp, 1.87MB) Beetle (Desmocerus californicus dimorphus), and California Tiger Salamander (Ambystoma californiense), Central California Distinct Population Segment and the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), California Freshwater Shrimp (Syncaris pacifica), California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, Salt Marsh Harvest Mouse (Reithrodontomys raviventris), San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and San Joaquin Kit Fox (Vulpes macrotis mutica) (12/19/2011)

• Appendix A: Multi-Active Ingredients Product Analysis (PDF) (4 pp, 45K)
• Appendix B: Verification Memo for Acephate (PDF) (3 pp, 186K)
• Appendix C: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (2 pp, 22K)
• Appendix D: Example Output from PE5 (PDF) (4 pp, 31K)
• Appendix E: Example Output from T-REX and T-HERPS (PDF) (20 pp, 380K)
• Appendix F: Example Output from TerrPlant Version 1.2.2 (PDF) (1 pp, 29K)
• Appendix G: Summary of Ecotoxicity Data (PDF) (23 pp, 338K)
• Appendix H: Bibliography of ECOTOX Open Literature (PDF) (243 pp, 1.43MB)
• Appendix I: Accepted ECOTOX Data Table (sorted by effect) (PDF) (25 pp, 903K)
• Appendix J: The HED Chapter of the Reregistration Eligibility Decision Document (RED) for Acephate (Case Number 0042 Chemical Number 103301) (PDF) (97 pp, 687K)
• Appendix K: Summary of Acephate and Methamidophos Incidents (PDF) (15 pp, 79K)
• Appendix L: Development of a Commercial Industrial Watershed for the Evaluation of Aquatic Exposure from Pesticide Applications (PDF) (3 pp, 223K)
• Appendix M: Input Files for Tier 2 Aquatic Exposure Modeling for the Acephate San Francisco Bay Assessment (PDF) (2 pp, 37K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1.50MB)

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Effects Determination for Acephate and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 32.1K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (7/20/07)

Effects Memorandum (PDF) (2 pp, 102.5K) from Donna Randall, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (07/19/07)

Acephate Analysis (PDF) (122 pp, 2.01MB) Risks of Acephate Use to the Federally Threatened California Red-legged Frog of appendices) (7/19/07)

• Appendices (PDF) (161 pp, 7.49MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 214K)

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Effects Determination for Acrolein and the Alameda Whipsnake

Transmittal Memo (PDF) (2 pp, 43K) from Anita Pease, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (09/26/2010)

Effects Memo (PDF) (2 pp, 53K) from Thomas Steeger, Ph.D., Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (09/16/2011)

Acrolein Effects Determination (PDF) (89 pp, 818K) Risks of Acrolein Use to Federally Threatened Alameda Whipsnake (Masticophis lateralis euryxanthus) (09/16/2011)

• Appendix A: RQ Method and LOCs (PDF) (1 pg, 16K)
• Appendix B: Application Rate Calculation for Treated Irrigation Water (PDF) (1 pp, 20K)
• Appendix C: Example Output from T-REX (PDF) (3 pp, 78K)
• Appendix D: Example Output from T-HERPS (PDF) (1 pp, 35K)
• Appendix E: ECOTOX Open Literature (PDF) (43 pp, 284K)
• Appendix F: Acrolein HED Risk Assessment for Reregistration Eligibility Decision (RED) Document PC Code No. 000701; DP Barcode No. 334662 (PDF) (62 pp, 268K)
• Appendix G: Acrolein Incidents Report (PDF) (2 pp, 15K)
• Appendix H: Verification Memo for Acrolein (PDF) (3 pp, 224K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp., 1,589K)

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Effects Determination for Alachlor and the California Red-legged Frog and the Delta Smelt

Transmittal Letter (PDF) (2 pp, 58.27K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (June 17, 2009)

Effects Memorandum (PDF) (2 pp, 58.2K from Melissa Panger, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (June 15, 2009)

Alachlor Analysis (PDF) (132 pp, 2.21MB) Potential Risks of Alachlor Use to the Federally Threatened California Red-legged Frog (Rana aurora draytonii) and Delta Smelt (Hypomesus transpacificus) (June 15, 2009)

• Appendix A: Mixture Data for Alachlor (PDF) (2 pp, 15.07K)
• Appendix B: Alachlor Usage Data for California (PDF) (4 pp, 103K)
• Appendix C: Ecological Effects Data (PDF) (8 pp, 84.1K)
• Appendix D: Accepted ECOTOX Data Table (Sorted By Effects) (PDF) (19 pp, 786.76K)
• Appendix E: Bibliography of ECOTOX Open Literature for Alachlor (PDF) (194 pp, 1.7MB)
• Appendix F: RQ Method and LOCs (PDF) (2 pp, 24.17K)
• Appendix G: Estimation of the Fraction of the Watershed Area which Receives Application on Impervious Surfaces in Residential Watersheds (PDF) (6 pp, 464.77K)
• Appendix H: PRZM/EXAMS Model Output Files (PDF) (31 pp, 156K)
• Appendix I: TerrPlant Example Input and Output (PDF) (3 pp, 91K)
• Appendix J: HED Effects Table (PDF) (14 pp, 551K)
• Appendix K: Reported Alachlor Wildlife and Plant Incidences (PDF) (5 pp, 56.1K)
• Appendix L: T-REX Example Input and Output (PDF) (3 pp, 45.13K)
• Appendix M: T-HERPS Example Input and Output (PDF) (1 p, 25.3K)
• Appendix N: GIS Maps and Spatial Analyses (PDF) (12 pp, 1.62MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
• Attachment 3: Life History of the San Francisco Bay Listed Species (PDF) (86 pp, 423.08K)
• Attachment 4: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp, 1.50MB)

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Effects Determination for Aldicarb for the Valley Elderberry Longhorn Beetle and the San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 58K) from Steven Bradbury Ph.D, Director, Office of Pesticide Programs to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (03/30/2012)

Effects Memorandum (PDF) (2 pp, 199K) from Jean Holmes, DVM, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (03/28/2012)

Aldicarb Analysis (PDF) (85 pp, 750K) Risks of Aldicarb Use to the Federally Threatened Valley Elderberry Longhorn Beetle (Desmocerus californicus dimorphus) and the Federally Endangered San Joaquin Kit Fox (Vulpes macrotis mutic) (03/28/2012)

• Appendix A: Verification Memo for Aldicarb for SF Bay Species (PDF) (1/31/2012) (5 pp, 136K)
• Appendix B: Risk Quotient Method and Levels of Concern (PDF) (2 pp, 13K)
• Appendix C: Bibliography of ECOTOX Open Literature (PDF) (65 pp, 481K)
• Appendix D: Spreadsheet of Accepted ECOTOX Papers (PDF) (8 pp, 287K)
• Appendix E: Multi AI Open Literature (PDF) (2 pp, 37K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 438K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,42MB)

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Effects Determination for Aldicarb and the California Red-legged Frog

Transmittal Letter (PDF) (3 pp, 33.4K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (7/19/07)

Effects Memorandum (PDF) (2 pp, 96K) from Donna Randall, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (7/17/07)

Aldicarb Analysis (PDF) (118 pp, 1.92MB) Risks of Aldicarb Use to the Federally Threatened California Red-legged Frog (7/17/07)

• Appendix A: T-REX Output (PDF) (11 pp, 161K)
• Appendix B: TerrPlant Output (PDF) (5 pp, 61K)
• Appendix C: Earthworm Fugacity Modeling Output (PDF) (16 pp, 232K)
• Appendix D: ECOTOX Accepted Papers (PDF) (45 pp, 312K)
• Appendix E: ECOTOX Acceptable Data (PDF) (6 pp, 44.3K)
• Appendix F: ECOTOX Excluded Papers (PDF) (31 pp, 191K)
• Appendix G: ECOTOX Accepted Papers (RSLERA) (PDF) (6 pp, 36K)
• Appendix H: ECOTOX OPP Rejected Papers (PDF) (5 pp, 28.4K)
• Appendix I: ECOTOX Rejected Papers (RSLERF) (PDF) (164 pp, 840K)
• Appendix L: Environmental Fate Data Requirements (PDF) (3 pp, 50.4K)
• Appendix M: PRZM-EXAMS Model Runs (PDF) (40 pp, 126K)
• Appendix N: Aldicarb Degradation and Persistence (PDF) (4 pp, 58.7K)
• Appendix P: Summary of Available Persistence Data (PDF) (7 pp, 46.3K)
• Appendix R: Spatial Summary for Terrestrial and Aquatic Uses (PDF) (13 pp, 6.75MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

Submission from Bayer CropScience (PDF) (139 pp, 8.1MB) Report on the Effects Determination for the California Red-Legged Frog Potentially Exposed to Aldicarb (5/8/07)

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Effects Determination for Aluminum Phosphide and the Alameda Whipsnake, San Francisco Garter Snake, San Joaquin Kit Fox and the California Tiger Salamander

Transmittal Letter (PDF) (2 pp, 53K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/30/2010)

Effects Memorandum (PDF) (2 pp, 42K) Edward Odenkirchen, ERB1, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (12/29/2010)

Aluminum and Magnesium Phosphides Assessment (PDF) (51 pp, 663K) Risks of Aluminum and Magnesium Phosphides Uses to the
Alameda Whipsnake, San Francisco Garter Snake, San Joaquin Kit Fox, and California Tiger Salamander (12/29/2010)

• Appendix A: Use Verification Memo for Aluminum and Magnesium Phosphides (PDF) (6 pp, 1.60MB)
• Appendix B: Summary for Aluminum and Magnesium Phosphides Incidents (PDF) (2 pp, 116K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 163K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 434K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1.590MB)

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Effects Determination for Atrazine and the California Red-legged Frog and the Delta Smelt

Transmittal Letter (PDF) (2 pp, 127.84K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/09)

Effects Memorandum (PDF) (2 pp, 77.87K) from Stephanie Syslo, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/19/09)

Atrazine Analysis (PDF) (136 pp, 1.60MB) Risks of Atrazine Use to the Federally Threatened California Red-legged Frog and the Delta Smelt (2/19/09)

• Appendix A: Ecological Effects Data (PDF) (144 pp, 1.16MB)
• Appendix B: Terrestrial RQs for degradates (PDF) (3 pp, 43K)
• Appendix C: Multi-a.i. product analysis (PDF) (9 pp, 86K)
• Appendix D: RQ method and LOC definitions (PDF) (2 pp, 34K)
• Appendix E: Accepted ECOTOX data table (PDF) (50 pp, 2.03MB)
• Appendix F: ECOTOX bibliography of accepted and rejected papers (81 pp, 387K)
• Appendix G: Bibliography of registrant-submitted studies sorted by guideline (775 pp, 2.5MB)
• Appendix H: Discussion of atrazine incidents (9 pp, 51K)
• Appendix I: Riparian habitat discussion (4 pp, 32K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4 MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
• Attachment 3: Life History of the San Francisco Bay Listed Species (PDF) (86 pp, 423.08K)
• Attachment 4: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp, 1.50MB)

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Effects Determination for Azinphos methyl and the San Francisco Garter Snake, San Joaquin Kit Fox, Valley Elderberry Longhorn Beetle, California Clapper Rail, California Tiger Salamander, and Bay Checkerspot Butterfly SFBAY

Transmittal Letter (PDF) (2 pp, 46K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (3/30/2011)

Effects Memorandum and Analysis (inclusive of appendices and attachments) (PDF) (19 pp, 947K) from Melissa Panger, Ph.D.,Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (3/2/2011)

Effects Determination for Azinphos methyl and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 33K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (7/19/07)

Effects Memorandum (PDF) (2 pp, 75K) from Stephanie Syslo, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (7/17/07)

Azinphos methyl Analysis (PDF) (116 pp, 2.40MB) Risks of Azinphos methyl Use to the Federally Threatened California Red-legged Frog (7/17/07)

• Appendix A: Action Area (PDF) (16 pp, 4.26MB)
• Appendix B: T-REX Model Description (PDF) (3 pp, 18.3K)
• Appendix C: Ecotoxicity Summaries (PDF) (70 pp, 402K)
• Appendix D: LOC Definitions (PDF) (1 p, 23K)
• Appendix E: T-REX RQs (PDF) (6 pp, 95K)
• Appendix F: T-HERPS (PDF) (14 pp, 239K)
• Appendix G: Incidents (PDF) (18 pp, 85K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Bensulide and the Bay Checkerspot Butterfly, California Clapper Rail, California Freshwater Shrimp, California Tiger Salamander, Delta Smelt, San Francisco Garter Snake, Tidewater Goby, and Valley Elderberry Longhorn Beetle

Transmittal Letter (PDF) (2 pp, 54K) from Steven Bradbury, Director, Office of Pesticide Programs to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (06/29/2012)

Effects Memorandum (PDF) (3 pp, 55K) from Edward Odenkirchen, Senior Science Advisor, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (06/28/2012)

Bensulide Analysis (PDF) (163 pp, 1.36MB): Risks of Bensulide Use to the Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis), Delta Smelt (Hypomesus transpacificus), California Tiger Salamander (Ambystoma californiense) Central California Distinct Population Segment, and Valley Elderberry Longhorn Beetle (Desmocerus californicus dimorphus), And the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), California Freshwater Shrimp (Syncaris pacifica), California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and Tidewater Goby (Eucyclogobius newberryi) Pesticide Effects Determinations (06/28/2012)

• Appendix A: Bensulide Multi AI Product Analysis (PDF) (2 pp, 17K)
• Appendix B: Verification Memorandum (PDF) (4 pp, 79K)
• Appendix C: RQ Method and LOCs (PDF) (2 pp, 18K)
• Appendix D: Example Output from PE5 (PDF) (3 pp, 51K)
• Appendix E: Example Output from T-REX and T-HERPS (PDF) (4 pp, 65K)
• Appendix F: Example Output from TerrPlant (PDF) (1 pg, 45K)
• Appendix G: Ecological Effects Data (PDF) (7 pp, 53K)
• Appendix H: Bibliography of ECOTOX Open Literature (PDF) (45 pp, 328K)
• Appendix I: Accepted ECOTOX Data Table (PDF) (27 pp, 573K)
• Appendix J: HED Chapter (PDF) (164 pp, 875K)
• Appendix K: Summary of Bensulide Incidents (PDF) (1 pg, 32K)
• Appendix L: Spatial Analysis (PDF) (22 pp, 652K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 304K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,374K)

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Effects Determination for Bensulide and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 31.50K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/22/07)

Effects Memorandum (PDF) (2 pp, 106K) from Donna Randall, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/18/07)

Bensulide Analysis (PDF) (98 pp, 4.67MB) Risks of Bensulide Use to the Federally Threatened California Red-legged Frog (10/18/07)

• Appendix A: Ecological Effects Data (PDF) (9 pp, 236K)
• Appendix B: PRZM/EXAMS Modeling Results (PDF) (42 pp, 558K)
• Appendix C: Estimated Exposures and Risk Quotients (PDF) (24 pp, 1.34MB)
• Appendix D: Bibliography of ECOTOX Papers (PDF) (22 pp, 432K)
• Appendix E: RQ Method and LOCs (PDF) (3 pp, 89K)
• Appendix F: Probit Analysis Input and Outputs (PDF) (4 pp, 95K)
• Appendix G: Product Formulations Containing Multiple Active Ingredients (PDF) (3 pp, 93K)
• Appendix H: Spatial Summary and Maps (PDF) (19 pp, 4.39MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Bifenthrin and the Bay Checkerspot Butterfly, Valley Elderberry Longhorn Beetle, California Tiger Salamander, Delta Smelt, California Clapper Rail, California Freshwater Shrimp, San Francisco Garter Snake, and Tidewater Goby

Transmittal Letter (PDF) (2 pp, 59K) from Donald Brady, Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/27/2012)

Effects Memorandum (PDF) (3 pp, 64K) from Mah T. Shamim, Ph.D., Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (12/27/2012)

Bifenthrin Analysis (PDF) (265 pp, 3.27MB) Risks of Bifenthrin Use to Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis), Valley Elderberry Longhorn Beetle (Desmocerus californicus dimorphus), California Tiger Salamander (Ambystoma californiense), Central California Distinct Population Segment, and Delta Smelt (Hypomesus transpacificus), And the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), California Freshwater Shrimp (Syncaris pacificus), California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and Tidewater Goby (Eucyclogobius newberryi) (12/27/2012)

• Appendix A: Multi-Active Ingredients Product Analysis for Bifenthrin (PDF) (52 pp, 578K)
• Appendix B: Verification Memo for Bifenthrin (PDF) (2 pp, 131K)
• Appendix C: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (2 pp, 14K)
• Appendix D: PRZM/EXAMS and AgDRIFT (PDF) (15 pp, 179K)
• Appendix E: T-REX, T-HERPS, and IEC Results (PDF) (83 pp, 1.68MB)
• Appendix F: Summary of Ecotoxicity Data (PDF) (7 pp, 112K)
• Appendix G: Bibliography of ECOTOX Open Literature (PDF) (81 pp, 496K)
• Appendix H: Accepted ECOTOX Studies Sorted by Effects) (PDF) (111 pp, 1.49MB)
• Appendix I: Bifenthrin Human Health Assessment Scoping Document in Support of Registration Review and Toxicology Data Needs Update (PDF) (33 pp, 3.68MB)
• Appendix J: Bridging Strategy for Ecotoxicity Endpoints (PDF) (2 pp, 117K)
• Appendix K: Bifenthrin Incident Database Review (PDF) (5 pp, 35K)
• Appendix L: Bioaccumulation Input and Output from the KABAM Model (PDF) (12 pp, 212K)
• Appendix M: Additional Use and Usage Information for Bifenthrin (PDF) (11 pp, 358K)
• Appendix N: Results from Screening Tool for Inhalation Risk with Bifenthrin (PDF) (1 pG, 36 K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 304K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,374K)

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Effects Determination for Brodifacoum and the Alameda Whipsnake, Salt Marsh Harvest Mouse, and San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 58K) from Steven Bradbury Ph.D, Director, Office of Pesticide Programs to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (03/30/2012)

Effects Memorandum (PDF) (2 pp, 37K) from Mah T. Shamim, Ph.D, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (03/30/2012)

Brodifacoum Analysis (PDF) (135 pp, 1.66 MB) Risks of Brodifacoum Use to the Federally Threatened Alameda Whipsnake (Masticophis lateralis euryxanthus), and the Federally Endangered Salt Marsh Harvest Mouse (Reithrodontomys raviventris), and San Joaquin Kit Fox (Vulpes macrotis mutica) (03/30/2012)

• Appendix A: Verification Memorandum for Brodifacoum for SF Bay Species (PDF) (4 pp, 329K)
• Appendix B: Bibliography of ECOTOX Open Literature for Brodifacoum (PDF) (13 pp, 61K)
• Appendix C: Risk Quotient Method and Levels of Concern (PDF) (2 pp, 14K)
• Appendix D: Summary of Brodifacoum Wildlife Incidents (PDF) (53 pp, 442K)
• Appendix E: Accepted ECOTOX Papers for Brodifacoum (3 pp, 239K)
• Appendix F: EPI Suite v. 4.1 Output File for Brodifacoum (15 pp, 144K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 438K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,42MB)

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Effects Determination for Bromacil and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 31K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/22/07)

Effects Memorandum (PDF) (2 pp, 82K) from Thomas Steeger, PhD, Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/19/07)

Bromacil Analysis (PDF) (118 pp, 1.70MB) Risks of Bromacil Use to the Federally Threatened California Red-legged Frog (10/19/07)

• Appendix A: Pesticide Products Formulated with Bromacil and Other Active Ingredients (PDF) (5 pp, 162K)
• Appendix B: PRZM/EXAMS Inputs and Outputs (PDF) (9 pp, 261K)
• Appendix C: Outputs from TerrPlant v1.2.2 (PDF) (3 pp, 153K)
• Appendix D: Outputs from T-REX v1.3.1 (PDF) (5 pp, 271K)
• Appendix E: Outputs from T-HERPS v1.0 (PDF) (4 pp, 217K)
• Appendix F: The Risk Quotient Method and Levels of Concern (PDF) (3 pp, 118K)
• Appendix G: List of Citations Accepted and Rejected by ECOTOX Criteria (PDF) (99 pp, 1.83MB)
• Appendix H: Detailed Analysis of Action Area and CRLF Habitat (PDF) (38 pp, 16.4MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Bromadiolone and the Alameda Whipsnake, Salt Marsh Harvest Mouse, and San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 135K) from Anita Pease, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (09/30/2011)

Effects Memorandum (PDF) (2 pp, 433K) from Edward Odenkirchen, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (09/28/2011)

Bromadiolone Effects Determination (PDF) (98 pp, 1.23MB) Risks of Bromadiolone Use to the Federally Threatened Alameda Whipsnake, the Federally Endangered Salt Marsh Harvest Mouse, and the Federally Endangered San Joaquin Kit Fox (09/28/2011)

• Appendix A: Verification Memo for Bromadiolone (PDF) (4 pp, 276K)
• Appendix B: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (3 pp, 63K)
• Appendix C: Summary of Ecotoxicity Data (PDF) (4 pp, 104K)
• Appendix D: HED Toxicity Profile (PDF) (6 pp, 537K)
• Appendix E: Bibliography of ECOTOX Open Literature (PDF) (53 pp, 403K)
• Appendix F: Accepted ECOTOX Open Literature Data Table (sorted by effect) (PDF) (4 pp, 66K)
• Appendix G: ECOTOX Open Literature Reviews (PDF) (19 pp, 200K)
• Appendix H: Summary of Bromadiolone Incidents (PDF) (14 pp, 483K)
• Appendix I: Summary of Labels (6 pp, 72K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1,589 KB)

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Effects Determination for Risk of Bromethalin to the Alameda Whipsnake and the Salt Marsh harvest Mouse

Bromethalin SF Bay Transmittal Letter (PDF) (2pp, 55K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (3/30/2011)

Bromethalin SF Bay Species Assessment (PDF) (88 pp, 1,435K) Risks of Bromethalin Use to the Alameda Whipsnake and Salt Marsh Harvest Mouse (3/25/2011)

• Appendix A: Verification memo for bromethalin (PDF) (4 pp, 1,232K)
• Appendix B: Risk quotient method and levels of concern (PDF) (2 pp, 16K)
• Appendix C: Bibliography of ECOTOX open literature (PDF) (2 pp, 15K)
• Appendix D: Accepted ECOTOX data table (PDF) (2 pp, 96K)
• Appendix E: Health Effects Division RED Chapter on Bromethalin Toxicity (PDF) (37 pp, 147K)
• Appendix F: Summary of bromethalin incidents (PDF) (2 pp, 14K)
• Attachment I: Supplemental Information on Standard Procedures (PDF) (26 pp, 162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1,589K)

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Effects Determination for Carbaryl and the Delta Smelt

Transmittal Letter (PDF) (2 pp, 510K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (6/30/2010)

Effects Memorandum (PDF) (1 pg, 32K) from Thomas Steeger, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (6/28/2010)

Carbaryl Analysis (PDF) (117 pp, 1.20MB): Risks of Carbaryl Use to Federally Threatened Delta Smelt (Hypomesus transpacificus) (6/28/2010)

• Appendix A: Product Formulations Containing Multiple Active Ingredients (PDF) (2 pp, 13K)
• Appendix B: Verification Memorandum for Carbaryl for SF Bay Species (PDF) (4pp, 125K)
• Appendix C: County Level Usage Data for Carbaryl, Metolachlor, s-Metolachlor, Naled, Simazine, and Sodium Nitrate in California in Support of San Francisco Bay Endangered Species Assessments (PDF) (6 pp, 145MB)
• Appendix C1: Supporting Excel Spreadsheet (PDF) (175 pp, 8.67MB)
• Appendix C2: Supporting Excel Spreadsheet (PDF) (202 pp, 725K)
• Appendix D: Label Use Patterns for Carbaryl in California for Assessing the Risks to the Delta Smelt (PDF) (6 pp, 39K)
• Appendix E: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (2 pp, 29K)
• Appendix F: Input Files for Tier 2 Aquatic Exposure Modeling for the Delta Smelt (PDF) (3 pp, 51K)
• Appendix G: Estimation of the Fraction of the Watershed Area Which Receives Application on Impervious Surfaces in Residential Watersheds (PDF) (6 pp, 463K)
• Appendix H: Treated Area Estimate for Perimeter Gardens (PDF) (1 pg, 29K)
• Appendix I: Post-processing of PRZM/EXAMS Outputs to Develop EECs for Rights-of-Way (PDF) (2 pp, 22K)
• Appendix J: Input and Output files for Simulation Modeling of Exposure for the Delta Smelt (Available upon request. Contact jones.rdavid@epa.gov)
• Appendix K: Summary of Ecotoxicity Data (PDF) (17 pp, 163)
• Appendix L: Bibliography of ECOTOX Open Literature (PDF) (396 pp, 1.92MB)
• Appendix M: Toxicity Data for Carbaryl Products (PDF) (1 p, 24K)
• Appendix N: Carbaryl Sensitivity Distribution Data (PDF) (8 pp, 202K)
• Appendix O: Estimation of the Likelihood of Individual Effects to the California Delta Smelt from the Use of Carbaryl (PDF) (2 pp, 26K)
• Appendix P: EIIS Pesticide Summary Report: General Information (PDF) (7 pp, 24K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 164K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 434K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp., 1.55MB)

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Effects Determination for Carbaryl and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 33K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/22/07)

Effects Memorandum (PDF) (2 pp, 59.3K) from Thomas Steeger, PhD, Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/19/07)

Carbaryl Analysis (PDF) (160 pp, 1.74MB) Risks of Carbaryl Use to the Federally Threatened California Red-legged Frog (10/19/07)

• Appendix A: Use Patterns for Risk Estimation (PDF) (22 pp, 185K)
• Appendix B: Detailed Uses of Carbaryl in California, 2003-2005 (PDF) (3 pp, 54.8K)
• Appendix C: Intersection of Carbaryl Use and California Red-legged Frog Habitat (PDF) (28 pp, 7.62MB)
• Appendix D: Input for Tier 2 Aquatic Exposure Modeling (PDF) (3 pp, 51.9K)
• Appendix E: Estimation of Watershed Area (PDF) (6 pp, 57.7K)
• Appendix F: Estimation of Perimeter Gardens Treated Area (PDF) (1 p, 28.9K)
• Appendix G: PRZM/EXAMS used to develop Rights-of-Way EECs (PDF) (2 pp, 25.1K)
• Appendix H: Example Outputs from T-REX v.1.3.1 and T-HERPS v.1.0 (PDF) (3 pp, 80.7K)
• Appendix I: ECOTOX Open Literature Reviews (PDF) (28 pp, 296K)
• Appendix J: The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 31.2K)
• Appendix K: Estimation of Likelihood of Individual Effects (PDF) (2 pp, 25.8K)
• Appendix L: Sensitivity Distribution Data (PDF) (8 pp, 197K)
• Appendix M: Product Formulations Containing Multiple Active Ingredients (PDF) (2 pp, 27.3K)
• Appendix N: List of Citations Accepted and Rejected by ECOTOX Criteria (PDF) (396 pp, 2.07MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Carbofuran and the Delta Smelt, San Francisco Garter Snake, San Joaquin Kit Fox, and Valley Elderberry Longhorn Beetle

Determination of No Effect (PDF) (2 pp, 38K) from Thomas Steeger, PhD, Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B.Williams, Associate Director, Environmental Fate and Effects Division (12/21/10)

Effects Determination for Captan and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 30.99K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/22/07)

Effects Memorandum (PDF) (2 pp, 98.71K) from Christine Hartless, Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/18/07)

Captan Analysis (PDF) (127 pp, 3.11MB) Risks of Captan Use to the Federally Threatened California Red-legged Frog (10/18/07)

• Appendix A: Ecological Effects Data (PDF) (25 pp, 508K)
• Appendix B: Citations for Seedling Rates and Planting Depths (PDF) (3 pp, 122K)
• Appendix C: Multi-Active Ingredient Analysis (PDF) (4 pp, 129MB)
• Appendix D: The Risk Quotient Method and Levels of Concern (PDF) (3 pp, 168K)
• Appendix E: GIS Summary for Captan Uses (PDF) (22 pp, 4.56MB)
• Appendix F: Example T-REX Output (PDF) (4 pp, 193K)
• Appendix G: Bibliography of ECOTOX Open Literature (PDF) (235 pp, 3.82MB)
• Appendix H: THPI Estimated Environmental Concentrations (PDF) (5 pp, 280K)
• Appendix I: PRZM EXAM Example Run (PDF) (5 pp, 114K)
• Appendix J: Environmental Fate and Transport Summary (PDF) (5 pp, 115K)
• Appendix K: Fate and Ecological Transport Summary (PDF) (8 pp, 105K)
• Appendix L: TerrPlant EEC Output for Terrestrial Plants (PDF) (2 pp, 103K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Chloropicrin and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 32.1K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (7/19/07)

Effects Memorandum (PDF) (2 pp, 57.6K) from Mah Shamim, Ph.D., Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (07/18/07)

Chloropicrin Analysis (PDF) (190 pp, 7.18MB): Risks of Chloropicrin Use to the Federally Threatened California Red-legged Frog (inclusive of appendices) (7/19/07)

• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Chlorophacinone and the Alameda Whipsnake, California Tiger Salamander, Salt Marsh Harvest Mouse, and San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 50.71KB) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (06/30/2011)

Effects Memorandum (PDF) (2 pp, 44.78KB) from Christine Hartless, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (06/29/2011)

Chlorophacinone Analysis (PDF) (111 pp, 878.36KB) Risks of Chlorophacinone Use to the Alameda Whipsnake, California Tiger Salamander, Salt Marsh Harvest Mouse, and San Joaquin Kit Fox (06/29/2011)

• Appendix A: Verification Memo for Chlorophacinone (PDF) (5 pp, 425.60KB)
• Appendix B: Risk Quotient (RQ) Methods and Levels of Concern (LOCs) Definitions (PDF) (3 pp, 13KB)
• Appendix C: Example Output from GENEEC for Chlorophacinone (PDF) (2 pp, 20.56KB)
• Appendix D: Summary of Ecotoxicity Data for Chlorophacinone (PDF) (7 pp, 57.46KB)
• Appendix E: HED Toxicity Profile for Chlorophacinone (PDF) (14 pp, 119.58KB)
• Appendix F: Bibliography of ECOTOX open literature (PDF) (28 pp, 258KB)
• Appendix G: Accepted ECOTOX Open Literature data table (sorted by effect) (PDF) (2 pp, 70.73KB)
• Appendix H: ECOTOX open literature reviews (PDF) (16 pp, 98.41KB)
• Appendix I: Summary of Chlorophacinone Incidents (PDF) (7 pp, 40.41KB)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 164KB)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 440KB)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1595KB)

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Effects Determination for Chlorpyrifos and the California red-legged frog, Delta smelt, California tiger salamander, San Francisco garter snake, California clapper rail, Salt marsh harvest mouse, Bay checkerspot butterfly, Valley elderberry longhorn beetle, San Joaquin kit fox and California freshwater shrimp

Transmittal Letter (PDF) (2 pp, 59.79K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/20/09)

Effects Memorandum (PDF) (2 pp, 62.66KB) from Stephanie Syslo, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (October 16, 2009)

Chlorpyrifos Analysis (PDF) (179 pp, 1.79MB) Risks of Chlorpyrifos Use to the Federally Threatened California Red-legged Frog (October 16, 2009)

• Appendix A: Multi-ai Product Analysis (PDF) (9 pp, 66.82K)
• Appendix B: RQ Method and LOCs (PDF) (3 pp, 27.29K)
• Appendix C: KABAM Output (PDF) (11 pp, 194K)
• Appendix D: T-Rex Example Output (PDF) (3 pp, 78K)
• Appendix E: Ecological Effects Data (PDF) (4 pp, 41.59K)
• Appendix F: Bibliography of ECOTOX Open Literature Evaluated (PDF) (325 pp, 1.95 MB)
• Appendix G: Bibliography of ECOTOX Open Literature Not Evaluated (PDF) (205 pp, 1.18 MB)
• Appendix H: ECOTOX database (PDF) (180 pp, 8.18MB)
• Appendix I: HED Effects (PDF) (139 pp, 1.16MB)
• Appendix J: Chlorpyrifos Incidents (PDF) (63 pp, 693K)
• Appendix K: GIS Maps and Spatial Analysis (PDF) (28 pp, 1.24MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
• Attachment 3: Life History of the San Francisco Bay Listed Species (PDF) (86 pp., 418K)
• Attachment 4: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp., 1.5MB)

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Effects Determinations for Chlorothalonil (PC Code 081901) Relative to the Bay Checkerspot Butterfly, California Tiger Salamander, Delta Smelt, California Clapper Rail, California Freshwater Shrimp, San Francisco Garter Snake, and Tidewater Goby and Designated Critical Habitat for the Bay Checkerspot Butterfly, California Tiger Salamander, Delta Smelt, and Tidewater Goby

Transmittal Memorandum (PDF) (2 pp, 56K) from Donald Brady, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/27/2012)

Effects Memorandum (PDF) (4 pp, 72K) from Melissa Panger, Environmental Fate and Effects Division to Donald Brady, Division Director, Environmental Fate and Effects Division (12/27/2012)

Chlorothalonil Analysis (PDF) (220 pp, 2.36MB) Risks of Chlorothalonil Use to Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis), California Tiger Salamander (Ambystoma californiense), Central California Distinct Population Segment, and Delta Smelt (Hypomesus transpacificus, And the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), California Freshwater Shrimp (Syncaris pacifica), California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and Tidewater Goby (Eucyclogobius newberryi) (12/27/2012)

• Appendix A: Multi-Active Ingredients Product Analysis (PDF) (15 pp, 140K)
• Appendix B: Verification Memo for Chlorothalonil (PDF) (6 pp, 170 K)
• Appendix C: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (1 pg, 16K)
• Appendix D: Example Output from PRZM-EXAMS (PDF) (3 pp, 54K)
• Appendix E: Example Output from T-REX and T-HERPS (PDF) (13 pp, 132K)
• Appendix F: Example Outputs from TerrPlant (PDF) (2 pp, 42K)
• Appendix G: Summary of Ecotoxicity Data (PDF) (32 pp, 233K)
• Appendix H: Bibliography of ECOTOX Open Literature (PDF) (212 pp, 1.32MB)
• Appendix I: Accepted ECOTOX Data Table (PDF) (54 pp, 848K)
  Appendix J: Multi a.i. Bibliography (PDF) (484 pp, 2.12MB)
• Appendix K: Human Health Assessment Scoping Document for Registration Review (PDF) (56 pp, 3.02MB)
• Appendix L: Description of Spatial Analysis and Maps (PDF) (17 pp, 489K)
• Appendix M: Tidewater Goby Habitat Maps (PDF) (6 pp, 237K)
• Appendix N: Summary of Fate Data (PDF) (8 pp, 105K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 304K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,374K)

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Effects Determination for Chlorothalonil and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 33K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/22/07)

Effects Memorandum (PDF) (2 pp, 62.2K) from Stephanie Syslo, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/19/07)

Chlorothalonil Analysis (PDF) (140 pp, 2.43MB) Risks of Chlorothalonil Use to the Federally Threatened California Red-legged Frog (10/19/07)

• Appendix A: Environmental Fate Data (PDF) (3 pp, 33K)
• Appendix B: Ecological Effects Data (PDF) (26 pp, 276K)
• Appendix C: Chlorothalonil Spatial Summary Maps (PDF) (33 pp, 17.4MB)
• Appendix D: Aquatic EECs and Aquatic and Atmospheric Monitoring (PDF) (124 pp, 168MB)
• Appendix E: Incident Database Information (PDF) (6 pp, 57.7K)
• Appendix F: Example T-REX Output (PDF) (1 pg, 20.3K)
• Appendix G: Example T-HERPS Output and Model Uncertainties (PDF) (10 pp, 135K)
• Appendix H: List of Accepted and Rejected ECOTOX Papers (PDF) (218 pp, 1.39MB)
• Appendix I: Multiple Active Ingredients Data and Analysis (PDF) (5 pp, 49.5K)
• Appendix J: Detailed RQs by Use (PDF) (10 pp, 136K)
• Appendix K: Use Report (PDF) (25 pp, 186K)
• Appendix L: Summary of Use Data from CA DPR PUR Database (PDF) (2 pp, 40.4K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Cholecalciferol and the Salt Marsh Harvest Mouse

Transmittal Letter (PDF) (2 pp, 580K) from Anita Pease, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/28/11)

Effects Memorandum (PDF) (2 pp, 215K) from Thomas Steeger, Senior Science Advisor, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (12/28/2011)

Cholecalciferol Analysis (PDF) (58 pp, 6.40MB) Risks of Cholecalciferol Use to the Federally Threatened Bay Salt Marsh Harvest Mouse (Reithrodontomys raviventris) (12/28/11)

• Appendix A: RQ Methods and LOC Definitions (PDF) (4 pp, 647K)
• Appendix B: Summary of Ecotoxicity Data (PDF) (2 pp, 91K)
• Appendix C: EPISuite v. 4.10 Output (PDF) (4 pp, 255K)
• Appendix D: Bibliography of ECOTOX Open Literature (PDF) (8pp, 536K)
• Appendix E: Accepted ECOTOX Open Literature Data Table (PDF) (4 pp, 270K)
• Appendix F:  Summary of Labels (PDF) (2 pp, 108K)
• Appendix G:  Verification Memo for Cholecalciferol (PDF) (4 pp, 204K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1.50MB)

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Effects Determination for Cyfluthrin and Beta-Cyfluthrin and the Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis), Valley Elderberry Longhorn Beetle (Desmocerus californicus dimorphus), California Tiger Salamander (Ambystoma californiense), Central California Distinct Population Segment, and Delta Smelt (Hypomesus transpacificus), and the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), California Freshwater Shrimp (Syncaris pacificus), California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and Tidewater Goby (Eucyclogobius newberryi)

Transmittal Memo (PDF) (2 pp, 272K) from Donald Brady, Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (03/28/2013)

Effects Memorandum (PDF) (2 pp, 199K) from Melissa Panger, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (03/28/2013)

Cyfluthrin and Beta-Cyfluthrin Analysis (PDF) (164 pp, 1.76MB) Risks of Cyfluthrin and Beta-Cyfluthrin Use to Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis), Valley Elderberry Longhorn Beetle (Desmocerus californicus dimorphus), California Tiger Salamander (Ambystoma californiense), Central California Distinct Population Segment, and Delta Smelt (Hypomesus transpacificus), and the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), California Freshwater Shrimp (Syncaris pacificus), California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and Tidewater Goby (Eucyclogobius newberryi) (03/28/2013)

• Appendix A: A Multi-Active Ingredients Analysis for Cyfluthrin and Beta-Cyfluthrin (PDF) (7 pp, 123K)
• Appendix B: Label Verification Memo (PDF) (4 pp, 213K)
• Appendix C: Memo from the Biological and Economic Analysis Division (BEAD) Regarding the Use Intensity Map for Cyfluthrin (PDF) (3 pp, 105K)
• Appendix D: County Level Usage Data Memo (from BEAD) (PDF) (6 pp, 535K)
• Appendix E: Species Range and Designated Critical Habitat Maps for the DS_TG_SFGS_VERB_CFWS_CCR_CTS-CC_CTS-SC_CTS-SB and BCB (PDF) (14 pp, 548K)
• Appendix F: Ecotoxicity Endpoints for Cyfluthrin and Beta-Cyfluthrin_Empirical Versus Estimated Results (PDF) (3 pp, 64K)
• Appendix G: Risk Quotient Method and Levels of Concern (LOCs) (PDF) (2 pp, 97K)
• Appendix H: Example PRZM_EXAMS Output Files (PDF) (9 pp, 61K)
• Appendix I: Sample T_REX and T_HERPS Runs for the Cyfluthrins (PDF) (3 pp, 86K)
• Appendix J: Example KABAM Inputs and Outputs for the Cyfluthrins (PDF) (5 pp, 127K)
• Appendix K: Accepted ECOTOX Data Table for Cyfluthrin and Beta_Cyfluthrin (PDF) (31 pp, 660K)
• Appendix L: Cyfluthrin and Beta_Cyfluthrin Papers Excluded by ECOTOX (PDF) (47 pp, 413K)
• Appendix M: Cyfluthrin and Beta_Cyfluthrin Papers Not Accepted by ECOTOX (M_a) and Accepted by ECOTOX but Not Used (M_b) (PDF) (64 pp, 416K)
• Appendix N: Summary of Registrant_Submitted Aquatic Toxicity Data for Cyfluthrin and Beta_Cyfluthrin (PDF) (2 pp, 38K)
• Appendix O: Pesticide Incident Reports for Cyfluthrin and Beta Cyfluthrin (PDF) (7 pp, 127K)
• Appendix P: Example STIR Run for the Cyfluthrins (PDF) (1 pg, 38K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 304K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,374K)

Effects Determination for DCPA and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 121K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/09)

Effects Memorandum (PDF) (2 pp, 80K) from Jean Holmes, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/19/09)

DCPA Analysis (PDF) (176 pp, 1.59MB) Risks of DCPA Use to the Federally Threatened California Red-legged Frog (2/19/09)

• Appendix A: Summarized Data from the California PUR Database (PDF) (3 pp, 79.83K)
• Appendix B: Spatial Summary for DCPA Uses (PDF) (9 pp, 678K)
• Appendix C: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (1 p, 17.18K)
• Appendix D: CA PUR Data Graphs Presented as Pounds DCPA Applied per Application Over One Year and Application Rate (lbs a.i./A) per Application over one year (PDF) (35 pp, 232K)
• Appendix E: Calculation of Input Parameters for PRZM/EXAMS and Example GENEEC and PRZM/EXAMS Output Files (PDF) (57 pp, 99.51K)
• Appendix F: Ecological Effects Data (56 pp, 474K)
• Appendix G: ECOTOX Chlorthal-Dimethyl Effects Endpoints (3 pp, 100.13K)
• Appendix H: Bibliography of ECOTOX Open Literature Not Evaluated (49 pp, 347K)
• Appendix I: T-REX and T-HERPS Output (41 pp, 790K)
• Appendix J: Back calculating LD50s (6 pp, 67.86K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4 MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Deltamethrin and the Bay Checkerspot Butterfly, Valley Elderberry Longhorn Beetle, California Tiger Salamander, Delta Smelt, California Clapper Rail, California Freshwater Shrimp, San Francisco Garter Snake, and Tidewater Goby

Transmittal Letter (PDF) (2 pp, 246K) from Donald Brady, Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (03/28/2013)

Effects Memorandum (PDF) (3 pp, 314K) from Mah T. Shamim, Ph.D., Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (03/28/2013)

Deltamethrin Analysis (PDF) (224 pp, 3.12MB) Risks of Deltamethrin Use to Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis), Valley Elderberry Longhorn Beetle (Desmocerus californicus dimorphus), California Tiger Salamander (Ambystoma californiense), Central California Distinct Population Segment, and Delta Smelt (Hypomesus transpacificus), And the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), California Freshwater Shrimp (Syncaris pacificus), California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and Tidewater Goby (Eucyclogobius newberryi) (03/28/2013)

• Appendix A: Multi-Active Ingredients Product Analysis for Deltamethrin (PDF) (17 pp, 286K)
• Appendix B: Verification Memorandum for Deltamethrin for SF Bay Species (PDF) (3pp, 61K)
• Appendix C: Risk Quotient Method and Levels of Concern (PDF) (2 pp, 15K)
• Appendix D: Example Output from PRZM/EXAMS, E-FAST, and AgDRIFT (PDF) (14 pp, 201K)
• Appendix E: T-REX, T-HERPS and IEC Results (PDF) (39 pp, 724K)
• Appendix F: Example Output for TerrPlant (PDF) (1 pg, 55K)
• Appendix G: Output from the STIR Model (PDF) (1 pg, 70K)
• Appendix H: Bibliography of ECOTOX Open Literature (PDF) (91 pp, 619)
• Appendix I: Accepted ECOTOX Studies for Deltamethrin Sorted by Effect Group, Effect, and Measurement Endpoint (PDF) (105 pp, 3.13MB)
• Appendix J: Deltamethrin: Human Health Assessment Scoping Document in Support of Registration Review (PDF) (27 pp, 445K)
• Appendix K: Bioaccumulation Input and Output from the KABAM Model With Deltamethrin (PDF) (5 pp, 660K)
• Appendix L: Additional Use Information for Deltamethrin (PDF) (3 pp, 73K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 304K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,374K)

Effects Determinations for Diazinon relative to the Delta Smelt and Tidewater Goby

Transmittal Letter (PDF) (2 pp, 56K) from Steven Bradbury Ph.D, Director, Office of Pesticide Programs to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (03/30/2012)

Effects Determinations Memo (PDF) (2 pp, 41K) from Thomas Steeger, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (03/28/2012)

Main Effects Determination Chapter (PDF) (163 pp, 2.06MB) Risks of Diazinon Use to Federally Threatened Delta Smelt (Hypomesus transpacificus) and the Federally Endangered Tidewater Goby (Eucyclogobius newberryi) (03/28/2012)

• Appendix A: Product Formulations Containing Multiple Active Ingredients (PDF) (1 pg, 37K)
• Appendix B: Supplementary Environmental Fate Information (PDF) (30 pp, 202K)
• Appendix C: Verification Memorandum for Diazinon for SF Bay Species, (Dated 01/30/2012 and Amended on 03/14/2012) (PDF) (7 pp, 519K)
• Appendix D: County Level Usage Data for Aldicarb, Bensulide, Bifenthrin, Brodifacoum, Chlorothalonil, Diazinon, Difenacoum, Lambda-Cyhalothrin, Methomyl, PCNB, and Pendimethalin in California in Support of a San Francisco Bay Endangered Species Assessment (PDF) (7 pp, 578K)
• Appendix E: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (2 pp, 21K)
• Appendix F: Example PRZM/EXAMs Modeling Output File (PDF) (9 pp, 134K)
• Appendix G: Graphs of Application Date by Pounds Diazinon or Product Applied Using California Pesticide Use Reporting Data (PDF) (22 pp, 241K)
• Appendix H: Example TerrPlant Analysis (PDF) (1 pg, 31K)
• Appendix I: Summary of Ecotoxicity Data (PDF) (4 pp, 17K)
• Appendix J: Rejected ECOTOX Open Literature (PDF) (31 pp, 229K)
• Appendix K: Accepted ECOTOX Open Literature (PDF) (23 pp, 175K)
• Appendix L: Diazinon Sensitivity Distribution Data (PDF) (6 pp, 86K)
• Appendix M: Summary of Diazinon Incidents (PDF) (9 pp, 106K)
• Appendix N: Description of Spatial Analysis and Maps Showing the Overlap of the Initial Area of Concern and the Species Habitat and Occurrence Sections (PDF) (21 pp, 745K)
• Appendix O: Example Analysis from Individual Effect Chance Model Version 1.1 (PDF) (2 pp, 57K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 438K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,42MB)

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Effects Determination for Diazinon and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 32.1K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (7/18/07)

Effects Memorandum (PDF) (2 pp, 80.1K) from Thomas Steeger, Ph.D., Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (07/17/07)

Diazinon Analysis (PDF) (162 pp, 1.77MB) Risks of Diazinon Use to the Federally Threatened California Red-legged Frog (7/17/07)

• Appendices (PDF) (250 pp, 7.84MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Dicofol and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 64K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (June 17, 2009)

Effects Memorandum (PDF) (1pp, 55K) from Thomas Steeger, Ph.D., Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (June 15, 2009)

Dicofol Analysis (PDF) (147 pp, 1.24MB) Risks of Dicofol Use to the Federally Threatened California Red-legged Frog (June 15, 2009)

• Appendix A. Structures of dicofol and its major degradates (PDF) (4 pp, 72K)
• Appendix B. Intersection of Dicofol Use Area and California Red-legged frog Habitat (PDF) (8 pp, 691K)
• Appendix C. The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 27K)
• Appendix D. Treated area estimate for outside building usage (PDF) (1 p, 30K)
• Appendix E. Example PRZM/EXAMS Input Files and Output File Data (PDF) (196 pp, 735K)
• Appendix F. DDT Characterization (PDF) (11 pp, 93.09K)
• Appendix G. Outputs from KABAM v.1.0 (PDF) (12 pp, 296K)
• Appendix H. Example output from T-REX v.1.4.1 (PDF) (2 pp, 59K)
• Appendix I. List of citations accepted and rejected by ECOTOX criteria (PDF) (96 pp, 647K)
• Appendix J. Detailed spreadsheet of available ECOTOX open literature for dicofol (PDF) (4 pp, 328K)
• Appendix K. Summary of human health effects data for dicofol (PDF) (85 pp, 970K)
• Appendix L. Sensitivity distributions for acute exposures of fish and birds to dicofol (PDF) (5 pp, 77K)
• Appendix M. Example output from analysis of likelihood of individual mortality (PDF) (1 p, 23K)
• Appendix N. Example output from T-HERPS v.1.0 (PDF) (1 p, 31K)
• Appendix O. Use of fugacity approach to estimate exposures to small mammals consuming earthworms contaminated with dicofol from soil of treatment sites (PDF) (3 pp, 55.17K)
• Appendix P. Ultra Low Volume Spray Drift Approach (PDF) (2 pp, 21K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Difenacoum for the Alameda Whipsnake, the Salt Marsh Harvest Mouse, and the San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 55K) from Steven Bradbury Ph.D, Director, Office of Pesticide Programs to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (03/30/2012)

Effects Memorandum (PDF) (2 pp, 42K) from Stephanie Syslo, Environmental Scientist, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (03/28/2012)

Difenacoum Analysis (PDF) (88 pp, 935K) Risks of Difenacoum Use To the Federally Threatened Alameda Whipsnake (Masticophis lateralis euryxanthus), the Federally Endangered Salt Marsh Harvest Mouse (Reithrodontomys raviventris), and the Federally Endangered San Joaquin Kit Fox (Vulpes macrotis mutica) (03/28/2012)

• Appendix A: Verification Memo for Difenacoum (PDF) (3 pp, 250K)
• Appendix B: RQ Methods and LOC Definitions (PDF) (3 pp, 17K)
• Appendix C: Summary of Ecotoxicity Data (PDF) (2 pp, 83K)
• Appendix D: Difenacoum Labels (PDF) (5 pp, 67K)
• Appendix E: ECOTOX Open Literature Bibliography (PDF) (6 pp, 58K)
• Appendix F: Accepted ECOTOX Data Table (PDF) (2 pp, 65K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 438K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,42MB)

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Effects Determination for Difethialone and the Alameda Whipsnake, Salt Marsh Harvest Mouse, and San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 56K) from Anita Pease, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (09/30/2011)

Effects Memorandum (PDF) (2 pp, 40K) from Mah T. Shamim, Ph.D, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (09/30/2011)

Difethialone Effects Determination (PDF) (106 pp, 3.71MB) Risks of Difethialone Use to the Federally Threatened Alameda Whipsnake (Masticophis lateralis euryxanthus), and the Federally Endangered Salt Marsh Harvest Mouse (Reithrodontomys raviventris), and San Joaquin Kit Fox (Vulpes macrotis mutica) (09/30/2011)

• Appendix A: Verification Memorandum for Difethialone for SF Bay Species (PDF) (4 pp, 416K)
• Appendix B: Risk Quotient Method and Levels of Concern (PDF) (2 pp, 34K)
• Appendix C: Bibliography of ECOTOX Open Literature (PDF) (4 pp, 83K)
• Appendix D: Summary of Ecological Incidents Linked to Difethialone (PDF) (1 pg, 20K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1,589K)

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Effects Determination for Diflubenzuron and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp,56.05K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (October 20, 2009)

Effects Memorandum (PDF) (2 pp, 349K) from Edward Odenkirchen, Ph.D., Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (October 19, 2009)

Diflubenzuron Analysis (PDF) (120 pp, 999.50K) Risks of Diflubenzuron Use to the Federally Threatened California Red-legged Frog (October 19, 2009)

• Appendix A: Summary of Registrant Submitted Ecotoxicity Data (PDF) (17 pp, 169K)
• Appendix B: Multi-ai Product Analysis (PDF) (2 pp, 17K)
• Appendix C: RQ Method and LOC Description (PDF) (2 pp, 19K)
• Appendix D: Exposure Data (PDF) (21 pp, 1.98MB)
• Appendix E: Human Health Assessment on Diflubenzuron (PDF) (48 pp, 160K)
• Appendix F: Manure Use Assessment Method (PDF) (23 pp, 196K)
• Appendix G1: Accepted ECOTOX Data Table (sorted by effect) (PDF) (10 pp, 1.29MB)
• Appendix G2: Diflubenzuron Bibliography of Acceptable Papers (PDF) (49 pp, 252K)
• Appendix G3: Diflubenzuron Bibliography of Rejected Papers (PDF) (51 pp, 381K)
• Appendix G4: Papers Rejected by Ecotox Because they were Tested Using Mixtures (PDF) (1 p, 21.15K)
• Appendix H: Bibliography of all Registrant Submitted Data (PDF) (236 pp, 851K)
• Appendix I: Description of Ecotox Rejection Codes (PDF) (2 pp, 15K)
• Appendix J: Residential Use Assessment Method (PDF) (9 pp, 182K)
• Appendix K: Right-of-Way Use Assessment Method (PDF) (8 pp, 160K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Dimethoate and the California Red-legged Frog

Input from Cheminova (PDF) - Letter from Paul Whatling, Director of Regulatory Science, Cheminova, Inc., to Mr. Kelly Ballard, Office of Pesticide Programs, U.S. Environmental Protection Agency (July 31, 2012) (3 pp, 515K)

Input from Cheminova (PDF) - Cheminova's Comments on EPA's Dimethoate Effects Determination for the California Red-legged Frog (July 27, 2012) (143 pp, 27MB)

Input from Cheminova (PDF) - Refined Effects Determination for California Red-legged Frog Potentially Exposed to Dimethoate (July 27, 2012) (421 pp, 79.57MB)

Input from Cheminova (PDF) - Cheminova's Comments on EPA's Dimethoate Effects Determination for the California Red-legged Frog (July 8, 2009) (41 pp, 484K

Transmittal Letter (PDF) (2 pp, 33.3K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/15/08)

Effects Memorandum (PDF) (1 p, 194K) from Thomas Steeger, Ph.D., Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (1/31/08)

Dimethoate Analysis (PDF) (137 pp, 1.27MB) Risks of Dimethoate Use to the Federally Threatened California Red-legged Frog (1/31/08)

• Appendix A: Use Closure Memo for dimethoate (PDF) (4 pp, 56.7K)
• Appendix B: Analysis of dimethoate use in CA, 2001-2005 (PDF) (9 pp, 162K)
• Appendix C: Detailed analysis of final dimethoate action area (PDF) (28 pp, 1.39MB)
• Appendix D: Output from PRZM/EXAMS modeling (PDF) (64 pp, 335K)
• Appendix E: Example output from T-REX v.1.3.1 model (PDF) (2 pp, 62.6K)
• Appendix F: List of citations accepted and rejected by ECOTOX (PDF) (153 pp, 968K)
• Appendix G: The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 31.3K)
• Appendix H: Ecological incidents associated with dimethoate (PDF) (3 pp, 59.6K)
• Appendix I: Output from T-HERPS v.1.0 model (PDF) (1 p, 32.1K)
• Appendix J: Individual Effect Analysis (3 pp, 32.8K)
• Appendix K: Review of ECOTOX for dimethoate and omethoate (7 pp, 56.7K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Diphacinone and the Alameda Whipsnake, California Tiger Salamander, Salt Marsh Harvest Mouse, and San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 49.04KB) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (06/30/2011)

Effects Memorandum (PDF) (2 pp, 153KB) from Jean Holmes, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (6/21/2011)

Diphacinone Assessment (PDF) (94 pp, 6807KB) Risks of Diphacinone Use to the Federally Threatened Alameda Whipsnake (Masticophis lateralis euryxanthus), California Tiger Salamander (Ambystoma californiense), and the Federally Endangered Salt Marsh Harvest Mouse, California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, and San Joaquin Kit Fox (Vulpes macrotis mutica) (6/21/2011)

• Appendix A: Verification Memo for Diphacinone (PDF) (4 pp, 4364KB)
• Appendix B: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (2 pp, 13.40KB)
• Appendix C: Outputs of Tier 1 Water Models (PDF) (1 pg, 11.22K)
• Appendix D: Bibliography of ECOTOX Open Literature (PDF) (27 pp, 186KB)
• Appendix E: Summary of Accepted ECOTOX Data (sorted by effect) (PDF) (7 pp, 137KB)
• Appendix F: Summary of Incidents (PDF) (3 pp, 121KB)
• Appendix G: Multi-Active Ingredients Product Analysis (PDF) (2 pp, 16.37KB)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 164K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 440K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1595K)

Effects Determination for Disulfoton (PC Code 032501) Relative to the Bay Checkerspot Butterfly, Valley Elderberry Longhorn Beetle, California Tiger Salamander, California Clapper Rail, California Freshwater Shrimp, San Francisco Garter Snake, Delta Smelt, and Tidewater Goby.

Effects Memorandum (PDF) (6 pp, 177K) from Rosanna Louie-Juzwiak, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (9/17/2012)

Effects Determination for Disulfoton and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 132K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (6/20/08)

Effects Memorandum (PDF) (2 pp, 70.69K) from Tom Bailey, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (6/20/08)

Disulfoton Analysis (PDF) (121 pp, 1.90MB) Potential Risks of Disulfoton Use to the Federally Threatened California Red-legged Frog (6/20/08)

• Appendix A: Analysis of Products with 2 or More Active Ingredients (PDF) (2 pp, 24.88K)
• Appendix B: California PUR Summary Data (PDF) (8 pp, 875K)
• Appendix C: GIS Analysis (PDF) (15 pp, 2.02MB)
• Appendix D: Summary of Accepted ECOTOX papers (PDF) (22 pp, 7.31MB)
• Appendix E: PRZM/EXAMS Model Output (PDF) (45 pp, 1.36MB)
• Appendix F: T-REX Example Output (PDF) (45 pp, 41.89K)
• Appendix G: HED RED Assessment (PDF) (31 pp, 498K)
• Appendix H: Bibliography of Accepted and Rejected ECOTOX papers (PDF) (204 pp, 3.64MB)
• Appendix I: Bibliography of Registrant-Submitted Studies (PDF) (209 pp, 748K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Diquat Dibromide and the Delta Smelt

Transmittal Letter (PDF) (2 pp, 55K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/23/2010)

Effects Memorandum (PDF) (2 pp, 441K) from Christine Hartless, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (12/17/2010)

Diquat Dibromide Assessment (PDF) (95 pp, 947K): Risks of Diquat Dibromide Use to the Federally Listed Delta Smelt (12/17/2010)

• Appendix A: Multi-active ingredients product analysis (PDF) (6 pp, 46K)
• Appendix B: Verification memo for diquat dibromide (PDF) (6 pp, 1.38MB)
• Appendix C: Risk quotient method and levels of concern (PDF) (3 pp, 21K)
• Appendix D: Example output from PRZM/EXAMS (PDF) (10 pp, 140K)
• Appendix E: Summary of ecotoxicity data (PDF) (8 pp, 74K)
• Appendix F: Bibliography of ECOTOX open literature (PDF) (164 pp, 2.06MB)
• Appendix G: Accepted ECOTOX data table (sorted by effect) (PDF) (19 pp, 1.72MB)
• Appendix H: ECOTOX open literature reviews (PDF) (18 pp, 287K)
• Appendix I: Summary of diquat dibromide incidents (PDF) (13 pp, 149K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 163K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 434K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp, 1.5MB)

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Effects Determination for Diuron and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 121K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/09)

Effects Memorandum (PDF) (2 pp, 69K) from Jean Holmes, DVM, MPH, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/18/09)

CRLF ESA Diuron (PDF) (135 pp, 1,609K) Risks of Diuron Use to the Federally Threatened California Red-legged Frog (2/18/09)

• Appendix A: Multi-ai Product Analysis (PDF) (5 pp, 59.82K)
• Appendix B: Chemical Structures (PDF) (2 pp, 26K)
• Appendix C: Use Rates and Methods (PDF) (7 pp, 129K)
• Appendix D: CDPR PUR Usage Data (PDF) (18 pp, 609K)
• Appendix E: RQ method and LOC (PDF) (2 pp, 25.24K)
• Appendix F: CRLF_Spatial Summary(PDF) (9 pp, 771.33K)
• Appendix G: PRZMEXAMS Outputs (PDF) (101 pp, 382K)
• Appendix H: T-REX Example Output (PDF) (2 pp, 23.22K)
• Appendix I: TerrPlant Example Output (PDF) (1 p, 18.37K)
• Appendix J: Bibliography of ECOTOX Open Literature Not Evaluated (PDF) (246 pp, 1.18MB)
• Appendix K: Acceptable Ecotox Spreadsheet (PDF) (14 pp, 793K)
• Appendix L: Ecological Effects Data (PDF) (10 pp, 38.42K)
• Appendix M: Diuron Incidents (PDF) (7 pp, 29.16K)
• Appendix N: T-HERPS Example Output (PDF) (2 pp, 26K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Endosulfan and the California Red-legged Frog and the San Francisco Bay Species

Transmittal Letter (PDF) (2 pp, 85K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (June 19, 2009)

Effects Memorandum (PDF) (2 pp, 526K) from Mah Shamim, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (June 18, 2009)

Endosulfan Analysis (PDF) (242 pp, 2.76MB) Risks of Endosulfan Use to the Federally Threatened California Red-legged FrEog and SFBAY species (June 18, 2009)

• Appendix A: Endosulfan Label Analysis and Memorandum (PDF) (9 pp, 488K)
• Appendix B: AgDrift Modeling (PDF) (5 pp, 146K)
• Appendix C: Aquatic Exposure Modeling Approach (PDF) (26 pp, 587K)
• Appendix D: RQ Method and LOCs (PDF) (2 pp, 30.35K)
• Appendix E: GIS Maps (PDF) (9 pp, 1.83MB)
• Appendix F: T-REX Example (PDF) (2 pp, 43K)
• Appendix G: Bibliography of ECOTOX Open Literature Not Evaluated (PDF) (127 pp, 723K)
• Appendix H: Accepted ECOTOX Data Table (sorted by effect) and Bibliography (PDF) (209 pp, 4.01MB)
• Appendix I: KABAM Model Description and Output (PDF) (14 pp, 306K)
• Appendix J: Aquatic ECOTOX Data (PDF) (27 pp, 293K)
• Appendix K: Terrestrial ECOTOX Data (PDF)(15 pp, 121K)
• Appendix L: Endosulfan Incidents (PDF) (18 pp, 173K)
• Appendix M: HED Effects Table (PDF) (13 pp, 82K)
• Appendix N: Earthworm Fugacity Modeling (PDF) (3 pp, 55K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
• Attachment 3: Life History of the San Francisco Bay Listed Species (PDF) (86 pp, 423.08K)
• Attachment 4: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp, 1.50MB)

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Effects Determination for EPTC and the Delta Smelt

Transmittal Letter (PDF) (2 pp, 60K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (03/31/2010)

Effects Memorandum (PDF) (2 pp, 35K) from Melissa Panger, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (03/29/2010)

EPTC Analysis (PDF) (121 pp, 1.43MB): Risks of EPTC Use to the Federally Threatened Delta Smelt (03/29/2010)

• Appendix A: Multiple Active Ingredients (PDF) (3 pp, 28K)
• Appendix B: Verification Memo (PDF) (4 pp, 1.2MB)
• Appendix C: RQ Method and LOCs (PDF) (2 pp, 25K)
• Appendix D: PRZMEXAMS Output (PDF) (6 pp, 73K)
• Appendix E: EPISuite Output (PDF) (2 pp, 25K)
• Appendix F: TerrPlant (PDF) (1 p, 29K)
• Appendix G: Ecotox Tables (PDF) (12 pp, 419K)
• Appendix H: ECOTOX Bibliography (PDF) (53 pp, 344K)
• Appendix I: ECOTOX Data (PDF) (4 pp, 166K)
• Appendix J: HED Chapter (PDF) (32 pp, 196K)
• Appendix K: Spatial Summary (PDF) (12 pp, 278K)
• Appendix L: Incidents (PDF) (1 pp, 8K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 164K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 440K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp, 1.55MB)

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Effects Determination for EPTC and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 131K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (6/20/08)

Effects Memorandum (PDF) (2 pp, 80.45K) from Tom Bailey, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (6/20/08)

EPTC (S-Ethyl dipropylthiocarbamate) Analysis (PDF) (127 pp, 184MB) Risks of EPTC Use to the Federally Threatened California Red-legged Frog (6/20/08)

• Appendix A: Environmental Fate Summaries (PDF) (19 pp, 121K)
• Appendix B: Ecotoxicity Study Summaries (PDF) (25 pp, 223K)
• Appendix C: Risk Quotient Method and Levels of Concern (PDF) (2 pp, 43K)
• Appendix D: Aquatic Model PRZM/EXAMS Output (PDF) (181 pp, 80.10K)
• Appendix E: Example of T-REX Model Output (PDF) (3 pp, 71.97K)
• Appendix F: Example of TerrPlant Model Output (PDF) (1 p, 43K)
• Appendix G: Multiple Active Ingredients (PDF) (3 pp, 28K)
• Appendix H: Adverse Ecological Incidents (PDF) (3 pp, 22K)
• Appendix I: Summary of EPTC Usage in California (PDF) (4 pp, 80K)
• Appendix J: Surface Water Monitoring Data (PDF) (10 pp, 194K)
• Appendix K: Spatial Summary for EPTC Uses (PDF) (14 pp, 2.09MB)
• Appendix L: Open Literature Ecotoxicity (ECOTOX) Information (PDF) (84 pp, 741K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Esfenvalerate and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 33.2K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/08)

Effects Memorandum (PDF) (2 pp, 89K) from Shannon Borges, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/19/08)

Esfenvalerate Analysis (PDF) (139 pp,  2.67MB) Risks of Esfenvalerate Use to the Federally Threatened California Red-legged Frog (2/19/08)

• Appendix A: Product Formulations Containing Multiple Active Ingredients (PDF) (7 pp, 32.9K)
• Appendix B: PRZM-EXAMS Water Modeling Results (PDF) (393 pp, 567K)
• Appendix C: Estimated Exposures and RQs for Terrestrial Assessment (PDF) (25 pp, 185K)
• Appendix D: Papers Accepted for ECOTOX and OPP, included (PDF) (2 pp, 21.0K)
• Appendix E: Papers Accepted for ECOTOX and OPP, not included (PDF) (57 pp, 379K)
• Appendix F: Papers Excluded Without Abstract (PDF) (55 pp, 343K)
• Appendix G: Selected Usage Data for Esfenvalerate for 2005, by month (PDF) (6 pp, 29.6K)
• Appendix H: Applicable Labels for each Crop-Use Grouping (PDF) (3 pp, 21.1K)
• Appendix I: Usage Data for Esfenvalerate, 2002-2005 (PDF) (2 pp, 28.0K)
• Appendix J: Summary of Esfenvalerate Half Lives in Soil (2 pp, 13.9K)
• Appendix K: Post-processing of Selected Scenarios to Estimate Aquatic EECs (1 p, 7.89K)
• Appendix L: Toxicity Categories and Levels of Concern (PDF) (1 p, 12.9B)
• Appendix M: Open Literature Review Summaries for Included ECOTOX Papers (PDF) (11 pp, 107K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Fenamiphos and the California red-legged frog and other listed species

Effects Memorandum (PDF) (3 pp, 128K) from Thomas Steeger, Ph.D, Senior Scientist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/9/09)

Effects Determination for Glyphosate and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 129K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10-17-08)

Effects Memorandum (PDF) (2 pp, 87.01K) from Donna Randall, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/17/08)

Glyphosate Analysis (PDF) (180 pp, 276MB) Risks of Glyphosate Use to the Federally Threatened California Red-legged Frog (10/17/08)

• Appendix A: Analysis of Products with Two or More Active Ingredients (PDF) (15 pp, 59K)
• Appendix B: Physical and Chemical Properties (PDF) (3 pp, 35K)
• Appendix C: Risk Quotient Method and Levels of Concern (PDF) (2 pp, 25.26K)
• Appendix D: Aquatic Modeling and Calculations (PDF) (1 p, 21.83K)
• Appendix E: T-REX Example Output (PDF) (2 pp, 22.51 KB)
• Appendix F: Terrplant Example Output (PDF) (1 p, 19.14K)
• Appendix G: Bibliography of ECOTOX Papers (PDF) (226 pp, 3.99 MB)
• Appendix H: Data Table for Accepted ECOTOX Papers (PDF) (19 pp, 6.49 MB)
• Appendix I: Data Table for Mammalian Studies (PDF) (3 pp, 44K)
• Appendix J: Ecological Effects Data (PDF) (39 pp, 469K)
• Appendix K: Incident Data (PDF) (85 pp, 294 KB)
• Appendix L: Bibliography of Submitted Fate and Ecotoxicity Studies (PDF) (23 pp, 112K)
• Appendix M: Bibliography of Submitted Studies on AMPA Degradate (PDF) (2 pp, 19K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4 MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Hexazinone and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 32.9K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/08)

Effects Memorandum (PDF) (2 pp, 74.8K) from Mah Shamim Ph.D., Chief, Environmental Risk Branch 5, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/20/08)

Hexazinone Analysis (PDF) (146 pp, 3.47MB) Risks of Hexazinone Use to the Federally Threatened California Red-legged Frog (2/20/08)

• Appendix A: Product Formulations containing Multiple Active Ingredients (PDF) (4 pp, 29.8K)
• Appendix B: The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 35.3K)
• Appendix C: Hexazinone T-REX Results (PDF) (15 pp, 64.5K)
• Appendix D: Hexazinone T-HERPS Results (PDF) (6 pp, 133K)
• Appendix E: Hexazinone TerrPlant Results (PDF) (10 pp, 64.7K)
• Appendix F: Spatial Summary for Hexazinone Uses (PDF) (25 pp, 6.78MB)
• Appendix G: ECOTOX Open Literature Search Results (PDF) (35 pp, 182K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Imazapyr and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 32.2K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (7/19/07)

Effects Memorandum (PDF) (2 pp, 65.3K) from Anita Pease, Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Ffate and Effects Division (7/17/07)

Imazapyr Analysis (PDF) (164 pp, 3.13MB) Risks of Imazapyr Use to the Federally Threatened California Red-legged Frog (7/17/07)

• Appendix A: Environmental Fate (PDF) (10 pp, 143K)
• Appendix B: Ecological Effects (PDF) (22 pp, 255K)
• Appendix C: Spatial Summary Maps (PDF) (26 pp, 18.4MB)
• Appendix D: Aquatic Environmental Concentrations (PDF) (63 pp, 400K)
  
• Appendix E: Incidence Data (PDF) (5 pp, 33K)
• Appendix F: RQ Method and LOCs (PDF) (2 pp, 39K)
• Appendix G: ECOTOX Papers Included in Assessment (PDF) (1pp, 15K)
• Appendix H: Accepted ECOTOX Papers Not Used (PDF) (6 pp, 52.4K)
• Appendix I: Bibliography of papers excluded from ECOTOX (PDF) (16 pp, 110K)
• Appendix J: Submitted MRID Ecotoxicity Bibliograpahy (PDF) (10 pp, 37.7K)
• Appendix K: Mulit-AI Products (PDF) (4 pp, 36.3K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Iprodione and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 57.77K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/20/09)

Effects Memorandum (PDF) (1 p, 43K) from Thomas Steeger, Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/16/09)

Iprodione Analysis (PDF) (156 pp, 1.42MB) Risks of Iprodione Use to the Federally Threatened California Red-legged Frog (10/16/09)

• Appendix A: Nationally registered formulated products and special local needs registrations that are included in defining the federal action for iprodione (PDF) (2 pp, 23K)
• Appendix B: Use verification memo from the Special Review and Reregistration Division (PDF) (5 pp, 192K)
• Appendix C: Spatial characterization of overlap of initial footprint of iprodione use in CA and CRLF habitat (PDF) (7 pp, 309K)
• Appendix D: The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 27.29K)
• Appendix E: PRZM/EXAMS input/output file for iprodione total residues of concern (PDF) (3 pp, 18K)
• Appendix F: Example output from T-REX v.1.4.1 (PDF) (4 pp, 36K)
• Appendix G: List of citations accepted and rejected by ECOTOX criteria (PDF) (75 pp, 559K)
• Appendix H: Detailed spreadsheet of available ECOTOX open literature for iprodione (PDF) (8 pp, 303K)
• Appendix I: Summary of human health effects data for iprodione (PDF) (27 pp, 154K)
• Appendix J: Summary of available ecotoxicity information for iprodione TGAI and formulated products (PDF) (97 pp, 3.05MB)
• Appendix K: Summary of reported ecological effects incidents relevant to iprodione (PDF) (3 pp, 16K)
• Appendix L: Example output from T-HERPS v1.0 (PDF) (1 p, 30K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1,028K)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Lambda-Cyhalothrin and the Bay Checkerspot Butterfly, Valley Elderberry Longhorn Beetle, California Tiger Salamander, California Clapper Rail, California Freshwater Shrimp, San Francisco Garter Snake, Delta Smelt, and Tidewater Goby

Transmittal Memo (PDF) (2 pp, 72K) from Donald Brady, Ph. D, Division Director for Environmental Fate and Effects Division, Office of Pesticide Programs to Gary Frazer, Assistant Director for Endangered Species, U. S. Fish and Wildlife Service (09/27/2012)

Effects Memorandum (PDF) (4 pp, 404K) from Edward Odenkirchen, Environmental Fate and Effects Division to Anita Pease, Assistant Division Director, Environmental Fate and Effects Division (09/24/2012)

Lambda-Cyhalothrin Analysis (PDF) (280 pp, 3MB) Risks of Lambda-Cyhalothrin Use to Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis), Valley Elderberry Longhorn Beetle (Desmocerus californicus dimorphus), California Tiger Salamander (Ambystoma californiense) Central California Distinct Population Segment, and Delta Smelt (Hypomesus transpacificus) and the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), California Freshwater Shrimp (Syncaris pacificus), California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and Tidewater Goby (Euclyogobius newberryi) (09/30/2012)

• Appendix A:  Multi AI Product Analysis (PDF) (10 pp, 104K)
• Appendix B:  Verification Memorandum (PDF) (7 pp, 400K)
• Appendix C:  Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (2 pp, 22K)
• Appendix D:  Representative PRZM/EXAMS Output for Cereal Grains - CA Wheat (PDF) (1 pg, 77K)
• Appendix E:  Example Output from T-REX and T-HERPS (PDF) (4 pp, 77K)
• Appendix F:  Example Output from KABAM (PDF) (6 pp, 108K)
• Appendix G:  Ecological Effects Data (PDF) (7 pp, 72K)
• Appendix H:  Cyhalothrin ECOTOX 2012 Refresh (PDF) (106 pp, 498K)
• Appendix I:   ECOTOX Refresh (PDF) (16,254 pp, 18,676KB)
• Appendix J:   HED Risk Assessment (PDF) (71 pp, 462K)
• Appendix K:  Incident Information from the EIIS Database (PDF) (4 pp, 35K)
• Appendix L:  Incident Information from the IDS (PDF) (3 pp, 97K)
• Appendix M: Granular Risk Analysis Refinements for Mammals (PDF) (7 pp, 64K)
• Appendix N:  Probability of Individual Effects (PDF) (60 pp, 315K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 304K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,374K)

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Effects Determination for Linuron and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 126K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (6/20/08)

Effects Memorandum (PDF) (2 pp, 78K) from Donna Randall, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (6/19/08)

Linuron Analysis (PDF) (113 pp, 1.24MB) Risks of Linuron Use to the Federally Threatened California Red-legged Frog (6/19/08)

• Appendix A: Ecotoxicity Data Tables (PDF) (7 pp, 309K)
• Appendix B: Multi-AI Linuron (PDF) (2 pp, 24K)
• Appendix C: RQ Method and LOC(PDF) (2 pp, 27K)
• Appendix D: GIS Maps (PDF) (15 pp, 2.18MB)
• Appendix E: T-REX Output (PDF) (12 pp, 245K)
• Appendix F: Terrplant Output (PDF) (4 pp, 113.90K)
• Appendix G: Bibliography of Ecotox Open Literature Not Evaluated (PDF) (108 pp, 801.09K)
• Appendix H: Incident EIIS Linuron (PDF) (1 p, 16.27K)
• Appendix I: AgDisp Model (PDF) (8 pp, 107K)
• Appendix J: Toxicity Profile Mammals (PDF) (7 pp, 47.80K)
• Appendix K: Current Method and Rates of Application (PDF) (3 pp, 21.24K)
• Appendix L: Phytotox table (PDF) (7 pp, 138.94K)
• Appendix M: Linuron RLF Use Closure Memo (PDF) (2 pp, 24.31K)
• Appendix N: T Herps Results (PDF) (4 pp, 97.15K)
• Appendix O: Phenylurea and Urea Structures (PDF) (6 pp, 48.38K)
• Appendix P: ECOTOX Linuron Endpoints (PDF) (22 pp, 4.80MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Magnesium Phosphide and the Alameda Whipsnake, San Francisco Garter Snake, San Joaquin Kit Fox and the California Tiger Salamander

Transmittal Letter (PDF) (2 pp, 53K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/30/2010)

Effects Memorandum (PDF) (2 pp, 42K) Edward Odenkirchen, ERB1, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (12/29/2010)

Aluminum and Magnesium Phosphides Assessment (PDF) (51 pp, 663K) Risks of Aluminum and Magnesium Phosphides Uses to the
Alameda Whipsnake, San Francisco Garter Snake, San Joaquin Kit Fox, and California Tiger Salamander (12/29/2010)

• Appendix A: Use Verification Memo for Aluminum and Magnesium Phosphides (PDF) (6 pp, 1.60MB)
• Appendix B: Summary for Aluminu and Magnesium Phosphides Incidents (PDF) (2 pp, 116K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 163K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 434K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp., 1.590MB)

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Effects Determination for Malathion and the Delta Smelt and California Tiger Salamander

Transmittal Letter (PDF) (2 pp, 59K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (09/30/2010)

Effects Memorandum (PDF) (2 pp, 42K) from Edward Odenkirchen, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (09/29/2010)

Malathion Analysis (PDF) (201 pp, 1101K) Risks of Malathion Use to the Federally Threatened Delta Smelt (Hypomesus transpacificus) and California Tiger Salamander (Ambystoma californiense), Central California Distinct Population Segment, and the Federally Endangered California Tiger Salamander, Santa Barbara County and Sonoma County Distinct Population Segments (09/29/2010)

• Appendix A: Product Formulations Containing Multiple Active Ingredients (PDF) (3 pp, 14K)
• Appendix B: Verification Memorandum for Malathion for SF Bay Species (PDF) (20 pp, 640K)
• Appendix C: Risk Quotient Method and Levels of Concern (PDF) (2 pp, 10K)
• Appendix D: Details of Aquatic Exposure Assessment (PDF) (28 pp, 1.05MB)
• Appendix E: Example Output from PRZM/EXAMS (PDF) (2 pp, 54K)
• Appendix F: Example Output from T-REX and T-HERPS (PDF) (5 pp. 77K)
• Appendix G: Summary of Ecological Incidents Linked to Malathion (PDF) (12 pp, 101K)
• Appendix H: Bibliography of ECOTOX Open Literature (PDF) (824 pp, 5.27MB)
• Appendix I: Accepted ECOTOX Data Table and Bibliography (PDF) (111 pp, 6.91MB)
• Appendix J: Revised Human Health Risk Assessment for the Reregistration Eligibility Decision Document (RED) for Malathion (PC Code 057701, Case No. 0248). (PDF) (171 pp, 1.02MB)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp., 1589K)

Effects Determination for Malathion and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 33K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/22/07)

Effects Memorandum (PDF) (2pp, 50K) from Edward Odenkirchen, Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/19/07)

Malathion Analysis (PDF) (272 pp, 6.80MB) Risks of Malathion Use to the Federally Threatened California Red-legged Frog (10/19/07)

• Appendix A: Product Formulations Containing Multiple Active Ingredients (PDF) (4 pp, 136K)
• Appendix B: ECOTOX Studies (PDF) (218 pp, 4.12MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4 MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Mancozeb and the California Tiger Salamander Ambystoma californiense

Transmittal Letter (PDF) (2 pp, 48KB) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (06/30/2011)

Mancozeb Effects Memorandum (PDF) (2 pp, 34KB) from Mah Shamim, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (06/29/2011)

Mancozeb Analysis (PDF) (134 pp, 1.78MB) Risks of Mancozeb Use to the Federally Threatened California Tiger Salamander (Ambystoma californiense), Central California Distinct Population Segment and Federally Endangered California Tiger Salamander, Sonoma County and Santa Barbara County Distinct Population Segments (06/29/2011)

• Appendix A: Verification Memo for Mancozeb (PDF) (4 pp, 71.78KB)
• Appendix B: Multi-Active Ingredients Product Analysis (PDF) (5 pp, 150KB)
• Appendix C: County Level PUR Data (PDF) (15 pp, 238KB)
• Appendix D: GIS Spatial Analysis (PDF) (16 pp, 866KB)
• Appendix E: AgDisp Model Inputs (PDF) (1 pg, 33KB)
• Appendix F: Risk Quotient (RQ) Method and Levels of Concern (PDF) (2 pp, 21.43KB)
• Appendix G: T-REX Model Output Example (PDF) (2 pp, 14KB)
• Appendix H Summary of ECOTOX Data (PDF) (14 pp, 375KB)
• Appendix I: Accepted ECOTOX Data Table (Sorted by Effect) (PDF) (14 pp, 493KB)
• Appendix J: HED Chapter for Mancozeb (PDF) (79 pp, 287KB)
• Appendix K: Summary of Mancozeb Incidents (PDF) (4 pp, 166KB)
• Appendix L: T-HERPS Model Description (PDF) (19 pp, 274KB)
• Appendix M: Bibliography of ECOTOX Open Literature (PDF) (192 pp, 1.07MB)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 162KB)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433KB)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp., 1.55MB)

Effects Determination for Mancozeb and Maneb and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 48.69KB) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/22/07)

Effects Memorandum (PDF) (2 pp,36.57KB) from Jean Holmes, DVM, MPH, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/18/07)

Mancozeb and Maneb Analysis (PDF) (143 pp, 3.95MB) Risks of Mancozeb and Maneb Use to the Federally Threatened California Red-legged Frog (10/17/07)

• Appendix A: Multi-ai Product Analysis (PDF) (6 pp, 176K)
• Appendix B: County-level Usage Data (PDF) (16 pp, 372K)
• Appendix C: GIS Maps for Mancozeb (PDF) (22 pp, 5.53MB)
• Appendix D: Toxicity Data (PDF) (15 pp, 261K)
• Appendix E: T-HERPs Output (PDF) (20 pp, 352K)
• Appendix F: T-REX Output (PDF) (12 pp, 171K)
• Appendix G: AgDISP Buffers (PDF) (2 pp, 90K)
• Appendix H: Accepted and Rejected ECOTOX Data (PDF) (199 pp, 3.50MB)
• Appendix I: GIS Maps for Maneb (PDF) (19 pp, 5.6MB)
• Appendix J: Ecological Incident Data (PDF) (5 pp, 116K)
• Appendix K: TerrPlant Modeling (PDF) (9 pp, 138K)
• Appendix L: GIS Maps for Maneb and Mancozeb (PDF) (19 pp, 5.79MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Maneb and the California Tiger Salamander (the Sonoma county, the Santa Barbara county, and the Central California Distinct Population Segments)

Transmittal Letter (PDF) (2 pp, 52.12KB) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (06/30/2010)

Effects Memorandum (PDF) (2 pp, 40.27KB) from Mah Shamim, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (06/22/2011)

Maneb Analysis (inclusive of attachment) (PDF) (16 pp, 215.26KB) Risks of Maneb Use to Federally Threatened California Tiger Salamander (Ambystoma californiense) (Central California Distinct Population Segment) and Federally Endangered Sonoma County and Santa Barbara County Distinct Population Segments of California Tiger Salamander (06/22/2011)

• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 163K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 434K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1.590MB)

Effects Determination for Metam Sodium and the California Tiger Salamander

Transmittal Letter (PDF) (2 pp, 48K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/30/2010)

Effects Memorandum (PDF) (2 pp, 33K) from Mah Shamim, Chief ERB5, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (12/29/2010)

Metam Sodium Assessment (PDF) (139 pp, 1.30MB) Risks of Metam Sodium Use to the Federally Threatened California Tiger Salamander (Ambystoma californiense) (Central California Distinct Population Segment) and Federally Endangered Sonoma County and Santa Barbara County Distinct Population Segments of California Tiger Salamander (12/29/2010)

• Appendix A: PRD/RD Use Description Memo: Verification Memorandum for Metam Sodium for San Francisco Bay Species (PDF) (8 pp, 373K)
• Appendix B: Evaluation of Toxic Degradates of Concern (PDF) (12 pp, 48K)
• Appendix C: Risk Quotient (RQ) Method and Levels of Concern (PDF) (2 pp, 168K)
• Appendix D: Example Output from PRZM/EXAMS (PDF) (489 pp, 22K)
• Appendix E: Evaluation of PRZM/EXAMS Volatility Algorithm (PDF) (3 pp, 33K)
• Appendix F: Example Output from SCREEN3 (PDF) (7 pp, 48K)
• Appendix G: Summary of ECOTOX Data (PDF) (8 pp, 86K)
• Appendix H: Bibliography of ECOTOX Open Literature (PDF) (3 pp, 29K)
• Appendix I: ECOTOX Data Table for Accepted Papers (PDF) (10 pp, 507K)
• Appendix J: HED Chapter for Metam Sodium (PDF) (79 pp, 380K)
• Appendix K: Description of Spatial Analysis and Maps Showing the Overlap of Initial Area of Concern and the Species Habitat and Occurrence Sections (PDF) (11 pp, 233K)
• Appendix L: Updated LUIS Report (PDF) (480 pp, 53.31MB)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 163K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 434K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1.590MB)

Effects Determination for Metam sodium and the California Red-legged Frog

Transmittal Letter (PDF) (3 pp, 32.6K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (7/20/07)

Effects Memorandum (PDF) (2 pp, 76.3K) from Mah Shamim, Ph.D., Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (07/19/07)

Metam sodium Analysis (PDF) (237 pp, 7.74MB) Risks of Metam sodium Use to the Federally Threatened California Red-legged Frog (inclusive of appendices) (7/19/07)

• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Methamidophos and the Bay Checkerspot Butterfly, California Clapper Rail, California Fresh Water Shrimp, California Tiger Salamander, Delta Smelt, San Francisco Garter Snake, Tidewater Goby, Valley Elderberry Longhorn Beetle, and other Listed Species

Effects Memorandum (PDF) (6 pp, 249K) from Jean Holmes, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (5/22/2012)

Effects Determination for Methamidiphos and the California Red-legged Frog

Transmittal Letter (PDF) (3 pp, 33.2K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (7/19/07)

Effects Memorandum (PDF) (2 pp, 83.8K) from Donna Randall, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (07/19/07)

Methamidophos Analysis (PDF) (101 pp, 1.78MB) Risks of Methamidophos Use to the Federally Threatened California Red-legged Frog (7/18/07)

• Appendices (PDF) (169 pp, 5.45MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

Submission from Bayer CropScience (PDF) (98 pp, 3.97MB) Report on the Effects Determination for the California Red-Legged Frog Potentially Exposed to Methamidophos (5/14/07)

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Effects Determination for Methidathion and the California Red-legged Frog

Transmittal Letter (PDF) (2pp, 121K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/09)

Effects Memorandum (PDF) (2 pp, 72.50K) from Stephanie Syslo, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/18/09)

Methidathion Analysis (PDF) (127 pp, 1.66MB) Risks of Methidathion Use to the Federally Threatened California Red-legged Frog (2/18/09)

• Appendix A: Bibliography of Submitted Fate Studies (PDF) (5 pp, 32K)
• Appendix B: Chemical Names and Structures (PDF) (2 pp, 31K)
• Appendix C: California PUR Data (PDF) (9 pp, 234K)
• Appendix D: CRLF Spatial Summary (PDF) (8 pp, 680K)
• Appendix E: Risk Quotient Method and Levels of Concern (PDF) (2 pp, 26K)
• Appendix F: PRZM/EXAMS Model Outputs (PDF) (36 pp, 687K)
• Appendix G: T-REX Example Output (PDF) (27 pp, 479K)
• Appendix H: Bibliography of ECOTOX Papers (PDF) (58 pp, 385K)
• Appendix I: Accepted ECOTOX Data Table (sorted by effect) (PDF) (6 pp, 19K)
• Appendix J: Ecological Effects (PDF) (7 pp, 89.17K)
• Appendix K: Data Table for Mammalian Studies from Health Effects Division (PDF) (2 pp, 55K)
• Appendix L: Incident Data (PDF) (3 pp, 20K)
• Appendix M: T-HERPS Example Output (PDF) (3 pp, 49K)
• Appendix N: Bibliography of Submitted Exotoxicity Studies (PDF) (16 pp, 78K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Methomyl and the Bay Checkerspot Butterfly, Valley Elderberry Longhorn Beetle, California Clapper Rail, California Freshwater Shrimp, California Tiger Salamander, San Francisco Garter Snake, Delta Smelt, and Tidewater Goby

Transmittal Memo (PDF) (2 pp, 65KB) from Donald Brady Ph.D., Division Director for Environmental Fate and Effects Division, Office of Pesticide Programs to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (09/27/2012)

Effects Memorandum (PDF) (3 pp, 1,038K) from Melissa Panger, Senior Scientist, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (09/28/2012)

Methomyl Analysis (PDF) (186 pp, 2.13MB) Risks of Methomyl Use to Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis), Valley Elderberry Longhorn Beetle (Desmocerus californicus dimorphus), California Tiger Salamander (Ambystoma californiense), Central California Distinct Population Segment, and Delta Smelt (Hypomesus transpacificus), And the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), California Freshwater Shrimp (Syncaris pacificus), California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and Tidewater Goby (Eucyclogobius newberryi) (09/28/2012)

• Appendix A: Multi-Active Ingredients Product Analysis (PDF) (2 pp, 22K)
• Appendix B: Verification Memo for Methomyl (PDF) (15 pp, 601K)
• Appendix C: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (1 pg, 20K)
• Appendix D: Example Output from PRZM/EXAMS, ECOSAR (PDF) (4 pp, 581K)
• Appendix E: Example Output from T-REX and T-HERPS (PDF) (22 pp, 333K)
• Appendix F:  Multi-Active Ingredients Bibliography (PDF) (50 pp, 286K)
• Appendix G: Summary of Ecotoxicity Data for Methomyl (PDF) (3 pp, 41K)
• Appendix H: Bibliography of ECOTOX Open Literature (PDF) (278 pp, 1,870K)
• Appendix I: Accepted ECOTOX Data Table (PDF) (3 pp, 125K)
• Appendix J: Acute Toxicity Values for Freshwater Fish and Invertebrates  (PDF) (7 pp, 68K)
• Appendix K: Description of Spatial Analysis and Maps Showing the Overlap of the Initial Area of Concern and the Species Habitat and Occurrence Sections (PDF) (20 pp, 3,892K)
• Appendix L: Tidewater Goby Habitat Maps Depicting Potential Use Areas and its Overlap (PDF) (20 pp, 6,305K)
• Appendix M: Monitoring Data for Methomyl (PDF) (4 pp, 118K)
• Appendix N: Schematic for Methomyl Scatter Bait Uses (PDF) (1 pp, 15K)
• Appendix O: Methomyl Multi-crop Memo (PDF) (7 pp, 351K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 304K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,374K)

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Effects Determination for Methomyl and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 33.1K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (7/19/07)

Effects Memorandum (PDF) (2 pp, 66.8K) from Melissa Panger, Ph.D., Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (07/18/07)

Methomyl Analysis (PDF) (264 pp, 8.84MB) Risks of Methomyl Use to the Federally Threatened California Red-legged Frog (inclusive of appendices) (7/18/07)

• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Methoprene and the California Tiger Salamander

Transmittal Letter (PDF) (2 pp, 149K) f rom Keith Matthews Director, Biopesticides and Pollution Prevention Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Services (12/28/2011)

Effects Memorandum (PDF) (2 pp, 156K) from Mike Rexrode, Biopesticide and Pollution Prevention Division (BPPD), to Anita Pease, Associated Director, Environmental Fate and effects Division (EFED) (12/28/2011)

S-methoprene Analysis (PDF) (94 pp, 10.75MB) Risks of S-methoprene Use to Federally Listed California Tiger salamander (CTS) (Ambystoma californiense)

• Appendix A: Verification Memo (PDF) (4 pp, 254K)
• Appendix B: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (2 pp, 167K)
• Appendix C: Uses (2002-2011) included in CTS Assessment (PDF) (16 pp, 1.52MB)
• Appendix D: Microcosm Study (PDF) (2 pp, 204K)
• Appendix E: PRZM /EXAMS Output (Liquid and Granular) (PDF) (4 pp, 387K)
• Appendix F: KABAM – EEC and RQ Calculations (PDF) (4 pp, 417K)
• Appendix G: Methoprene Papers Accepted and Rejected for ECOTOX (PDF) (28 pp, 2.9MB)
• Appendix H: T-REX Calculations (PDF) (6 pp, 576K)
• Appendix I: Calculations for Briquet - Aquatic Exposure (PDF) (3 pp, 301K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1.50MB)

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Effects Determination for Methoprene and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 30.6K) from Janet Anderson, Ph.D., Director, Biopesticides and Pollution Prevention Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/08)

Methoprene Analysis (PDF) (80 pp, 924K) Risks of Methoprene Use to the Federally Threatened California Red-legged Frog (2/20/08)

• Appendix A: Product Formulations Containing Multiple Active Ingredients (PDF) (2 pp, 18.4K)
• Appendix B: Summary of S-methoprene use in CA (PDF) (44 pp, 735K)
• Appendix C: The RQ Method and LOCs (PDF) (2 pp, 25.5K)
• Appendix D: Tier 1 Estimation for Rice and Caneberries (PDF) (2 pp, 80.7K)
• Appendix E: Extrapolations for Sustainable Release Rate Formulations (PDF) (6 pp, 57.3K)
• Appendix F: T-REX Calculations (PDF) (5 pp, 85.9K)
• Appendix G: ECOTOX Studies (PDF) (25pp, 85.3K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30pp, 1.4MB)

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Effects Determination for Methyl Bromide and the California Tiger Salamander

Transmittal Letter (PDF) (2 pp, 51K) from Anita Pease, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/28/2011)

Effects Memorandum (PDF) (2 pp, 52K) from Mah Shamim, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (12/28/2011)

Methyl Bromide Analysis (PDF) (182 pp, 1.96MB) Risks of Methyl Bromide Use to Federally Threatened California Tiger Salamander (Ambystoma californiense) (Central California Distinct Population Segment) and Federally Endangered Sonoma County and Santa Barbara County Distinct Population Segments of California Tiger Salamander (12/28/2011)

• Appendix A: Verification Memo for Methyl Bromide (PDF) (11 pp, 198K)
• Appendix B: Evaluation of Toxic Degradates of Conern (PDF) (3 pp, 18K)
• Appendix C: Assumptions Associated with RQ Calculations (PDF) (2 pp, 27K)
• Appendix D: Evaluation of Methyl Bromide Aquatic Exposure (PDF) (10 pp, 113K)
• Appendix E: Overview of Methyl Bromide Surface Water and Ground Water Monitoring (PDF) (2 pp, 225K)
• Appendix F: CALDPR Cited Field Volatility Studies and Composite Flux Profiles (PDF) (5 pp, 226K)
• Appendix G: Summary of Ecotoxicity Data (PDF) (12 pp, 61K)
• Appendix H: ECOTOX Bibliography of Accepted Literature (PDF) (18 pp, 115K)
• Appendix I: ECOTOX Bibliography of Not Accepted Literature (PDF) (20 pp, 143K)
• Appendix J: Accepted ECOTOX Data Table (PDF) (51 pp, 2.29 MB)
• Appendix K: Health Effects Division's Methyl Bromide Risk Assessment Chapters (PDF) (106 pp, 988K)
• Appendix L: Methyl Bromide Label Use Information System Report (PDF) (89 pp, 3.13MB)
• Appendix M: SCREEN3 and PERFUM Model Description and Sample Output (PDF) (25 pp, 290K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (133 pp, 1.55MB)

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Effects Determination for Methyl parathion and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 33.5K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/08)

Effects Memorandum (PDF) (2 pp, 60.2K) from Thomas Steeger, Ph.D., Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/20/08)

Methyl parathion Analysis (PDF) (96 pp, 2.94MB) Risks of Methyl parathion Use to the Federally Threatened California Red-legged Frog (2/20/08)

• Appendix A: Fate, Exposure, and Monitoring (PDF) (21 pp, 1.39MB)
• Appendix B: Ecological Effects Data (PDF) (57 pp, 435K)
• Appendix C: List of Accepted and Rejected ECOTOX Papers (PDF) (210 pp, 1.29MB)
• Appendix D: RQ Method and LOCs (PDF) (2 pp, 37.5K)
• Appendix E: Analysis Summary (PDF) (10 pp, 326K)
• Appendix F: Spatial Summary (PDF) (23 pp, 5.5MB)
• Appendix G: Multiple Active Ingredients (PDF) (2 pp, 19.6K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Metolachlor/S-Metolachlor and the Delta Smelt and California Tiger Salamander

Transmittal Letter (PDF) (2 pp, 546K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (06/30/2010)

Effects Memorandum (PDF) (2 pp, 52.84K) from Ed Odenkirchen, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (06/29/2010)

Metolachlor/S-Metolachlor Analysis (PDF) (143 pp, 1.43MB) Risks of Metolachlor and S-Metolachlor Use to Federally Threatened Delta Smelt (Hypomesus transpacificus) and California Tiger Salamander (Ambystoma californiense) (Central California Distinct Population Segment) and Federally Endangered Sonoma County and Santa Barbara County Distinct Population Segments of California Tiger Salamander (06/29/2010)

• Appendix A: Multi-Active Ingredients Product Analysis (PDF) (7 pp, 60.9K)
• Appendix B: Verification Memo for Metolachlor (PDF) (9 pp, 312K)
• Appendix C: Risk Quotient Method and Levels of Concern (PDF) (2 pp, 20.4K)
• Appendix D: Example Output from PRZM-EXAMS (PDF) (7 pp, 141K)
• Appendix E: Example Output from T-REX (PDF) (7 pp, 91.40K)
• Appendix F: Example Output from TERRPLANT (PDF) (1 pg, 40.3K)
• Appendix G: Summary of Ecotoxicity Data (PDF) (23 pp, 173K)
• Appendix H: Bibliography of ECOTOX Open Literature (PDF) (66 pp, 376K)
• Appendix I: Accepted ECOTOX Data Table (Sorted by Effect) and Bibliography (PDF) (2 pp, 182K)
• Appendix J-1: The HED Chapter for S-Metolachlor (PDF) (65 pp, 283K)
• Appendix J-2: The HED Chapter for Metolachlor (PDF) (103 pp, 2.71MB)
• Appendix K: Description of Spatial Analysis and Maps Showing the Overlap of the Initial Area of Concern and the Species Habitat and Occurrence Sections (PDF) (13 pp, 271K)
• Appendix L: Summary of Metolachlor Incidents (PDF) (16 pp, 74.7K)
• Appendix M: Summary of S-Metolachlor Incidents (PDF) (10 pp, 49K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (133 pp, 1.55MB)

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Effects Determination for Metolachlor and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 77.2K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (7/17/07) 
 
Effects Memorandum (PDF) (1 p, 56.6K) from Paige Doelling-Brown, Ph.D., Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental fate and Effects Division (7/16/07)

Metolachlor Analysis (PDF) (97 pp, 2.81MB) Risks of Metolachlor Use to the Federally Threatened California Red-legged Frog (7/16/07)

• Appendix A: Exposure and Monitoring (PDF) (16 pp, 256K )
• Appendix B: Ecological Effects (PDF) (25 pp, 276K)
• Appendix C: ECOTOX Papers (PDF) (127 pp, 756K)
• Appendix D: Risk Quotient Method and LOCs (PDF) (2 pp, 28K)
• Appendix E: Analysis Summary (PDF) (45 pp, 926K)
• Appendix F: GIS Summary and Maps (PDF) (19 pp, 8.30MB)
• Appendix G: Multi-AI Products (PDF) (9 pp, 54K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Molinate and the California Red-legged Frog and other Listed Species

Effects Memorandum (PDF) (3 pp, 103K) from Donna Randall, ERB 2, Environmental Fate and Effects Division to Arthur-Jean B.Williams, Associate Director, Environmental Fate and Effects Division (6/16/09)

Effects Determination for Myclobutanil and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 66K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (June 19, 2009)

Myclobutanil CRLF Effects Determination Memorandum (PDF) (2 pp, 324K) from Stephanie Syslo, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (June 17, 2009)

Myclobutanil CRLF Effects Determination (PDF) (135 pp, 1.28MB) Risks of Myclobutanil Use to the Federally Threatened California Red-legged Frog (June 17, 2009)

• Appendix A: Multi-ai Product Analysis (PDF) (3 pp, 26K)
• Appendix B: Aquatic Exposure Modeling (PDF) (224 pp, 4.66MB)
• Appendix C: Environmental Fate Data (PDF) (8 pp, 99.38K)
• Appendix D: BEAD Analysis of CDPR PUR Database (PDF) (41 pp, 849K)
• Appendix E: CRLF Spatial Summary (PDF) (8 pp, 803K)
• Appendix F: The Risk Quotient Method and Levels of Concern (PDF) (3 pp, 27K)
• Appendix G: T-Rex Example Output (PDF) (3 pp, 94K)
• Appendix H: Bibliography of ECOTOX Papers (PDF) (39 pp, 288K)
• Appendix I: Accepted ECOTOX Data Table (PDF) (4 pp, 152K)
• Appendix J: HED Effects Table (PDF) (9 pp, 52K)
• Appendix K: Ecological Effects (PDF) (9 pp, 110K)
• Appendix L: Incident Data (PDF) (2 pp, 25.61K)
• Appendix M: T-Herps Example Output (PDF) (3 pp, 46K)
• Appendix N: Terrplant Example Output (PDF) (1 p, 40K)
• Appendix O: Ecotoxicity and Environmental Fate Bibliography (PDF) (17 pp, 87K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
  

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Effects Determination for Naled and the Bay Checkerspot Butterfly, Valley Elderberry Longhorn Beetle, California Clapper Rail, San Francisco Garter Snake, and San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 531K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (6/30/2010)

Effects Memorandum (PDF) (3 pp, 664K) from Jean Holmes, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (06/30/2010)

Naled Analysis (PDF) (231 pp, 2.13MB): Risks of Naled Use to Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis), and Valley Elderberry Longhorn Beetle (Desmocerus californicus dimorphus), and the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and San Joaquin Kit Fox (Vulpes macrotis mutica) (06/30/2010)

• Appendix A: Example Output from AgDRIFT (PDF) (6 pp, 198K)
• Appendix B: Verification Memo for Naled (PDF) (8 pp, 76.82K)
• Appendix C: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (2 pp, 29K)
• Appendix D: Example Output from PRZM/EXAMS (PDF) (81 pp, 119K)
• Appendix E: Example Output from T-REX and T-HERPS (PDF) (3 pp, 81K)
• Appendix F: Summary of Ecotoxicity Data (PDF) (11 pp, 172K)
• Appendix G: Bibliography of ECOTOX Open Literature (PDF) (354 pp, 2.23MB)
• Appendix H: Accepted ECOTOX Data Table (sorted by effect) (PDF) (20 pp, 2.04MB)
• Appendix I: The HED Chapter of the Reregistration Eligibility Decision Document (RED) for Naled (Case Number 0092, Chemical Number 034401) and The Revised Human Health Risk Assessment for Dichlorvos (Case Number 0310, Chemical Number 084001) (PDF) (162 pp, 13.43MB)
• Appendix J: Additional PRZM/EXAMS Output (PDF) (14 pp, 52K)
• Appendix K: Summary of Naled Incidents (PDF) (5 pp, 48K)
• Appendix L: Comparison Summary Tables – Avian Acute dose-based RQs Using Different Species (PDF) (4 pp, 110K)
• Appendix M: PRZM/EXAMS Tables (EECs, RQs) and AgDRIFT Buffer and Percent Spray Drift Analysis (PDF) (10 pp, 121K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp., 1.55MB)

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Effects Determination for Naled and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 33.3K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/08)

Effects Memorandum (PDF) (2 pp, 84K) from Donna Randall, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/19/08)

Naled Analysis (PDF) (117 pp, 1.10MB) Risks of Naled Use to the Federally Threatened California Red-legged Frog (2/19/08)

• Appendix A: Ecological Effects Data (PDF) (9 pp, 154K)
• Appendix B: PRZM/EXAMS Inputs and Outputs (PDF) (81 pp, 261K)
• Appendix C: Outputs from T-REX and T-HERPS (PDF) (52 pp, 1.17MB)
• Appendix D: Aquatic RQs – Naled and DDVP (PDF) (1 p, 64K)
• Appendix E: Naled Fate Properties (PDF) (6 pp, 88.4K)
• Appendix F: DDVP Fate Properties (PDF) (1 p, 64K)
• Appendix G: Assessing Terrestrial Invertebrate Exposure (PDF) (2 pp, 16K)
• Appendix H: ECOTOX Bibliography (PDF) (63 pp, 406K)
• Appendix I: LOC Tables (PDF) (1 p, 22.4K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Norflurazon and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 121K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/2009)

Effects Memorandum (PDF) (1 p, 63.31K) from Thomas Steeger, Ph.D, Senior Scientist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (02/18/2009)

Norflurazon Analysis (PDF) (97 pp, 1.12MB) Risks of Norflurazon Use to the Federally Threatened California Red-legged Frog (02/18/2009)

• Appendix A: Norflurazon CDPR Data (16 pp, 23.02K)
• Appendix B: CRLF Spatial Summary (8 pp, 712K)
• Appendix C: Sample TREX (1 p, 22K)
• Appendix D: Sample TerrPlant (1 p, 23K)
• Appendix E: Papers Excluded from ECOTOX (28 pp, 178K)
• Appendix F: ECOTOX Data (2 pp, 112.56K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Oryzalin and the California Tiger Salamander

Transmittal Letter (PDF) (2 pp, 58K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (09/30/2010)

Effects Memorandum (PDF) (2 pp, 33K) from Edward Odenkirchen, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (09/30/2010)

Oryzalin Analysis (PDF) (137 pp, 1397K) Risks of Oryzalin Use to the Federally Threatened and Endangered California Tiger Salamander (Ambystoma californiense) (09/30/2010)

• Appendix A: Ecological Effects Data (PDF) (9 pp, 90K)
• Appendix B: Oryzalin Formulations Containing Multiple Active Ingredients (PDF) (2 pp, 25K)
• Appendix C: The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 31K)
• Appendix D: Spatial Summary for Oryzalin Uses (PDF) (11 pp, 650K)
• Appendix E: T-REX Example Output (PDF) (3 pp, 57K)
• Appendix F: T-HERPS Example Output (PDF) (1 pg, 28K)
• Appendix G: TERRPLANT Example Output (PDF) (1 pg, 37K)
• Appendix H: Bibliography of ECOTOX Open Literature (PDF) (35 pp, 195K)
• Appendix I: Oryzalin Incidents (PDF) (3 pp, 18K)
• Appendix J: HED Data for SF Bay Species ESAs (PDF) (1 pp, 15K)
• Appendix K: Accepted ECOTOX Data Table for Oryzalin (PDF) (3 pp, 11K)
• Appendix L: PRZM/EXAMS Example Output (PDF) (4 pp, 72K)
• Appendix M: County-Level Usage for Oryzalin and Permethrin in California in Support of a San Francisco Bay Endangered Species Assessment (PDF) (6 pp, 1.24MB)
• Appendix N: Verification Memorandum for Oryzalin for SF Bay Species (PDF) (2 pp, 528K)

• Attachment 1: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment 2: Status and Life History of the San Francisco Bay Listed Species (PDF) (88 pp, 433K)
• Attachment 3: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1589K)

Effects Determination for Oryzalin and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 131.58K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (6/20/08)

Effects Memorandum (PDF) (2 pp, 73K) from Ed Odenkirchen, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (6/19/08)

Oryzalin Analysis (PDF) (133 pp, 1.46MB) Risks of Oryzalin Use to the Federally Threatened California Red-legged Frog (6/19/08)

• Appendix A: Oryzalin Ecological Effects Data (PDF) (9 pp, 98.42K)
• Appendix B: Oryzalin Multi-ai Product Formulations (PDF) (2 pp, 28.84K)
• Appendix C: RQ Method and LOCs (PDF) (2 pp, 34K)
• Appendix D: Oryzalin GIS Maps (PDF) (14 pp, 2.29MB)
• Appendix E: T-REX Example Output (PDF) (3 pp, 67K)
• Appendix F: T-HERPS Example Output (PDF) (1 p, 36.16K)
• Appendix G: TERRPLANT Example Output (PDF) (1 p, 41.98K)
• Appendix H: ECOTOX Bibliography Not Considered for Oryzalin (PDF) (34 pp, 267K)
• Appendix I: Oryzalin Incidents (PDF) (3 pp, 18.92K)
• Appendix J: HED Data to Define Oryzalin Action Area (PDF) (1 p, 138.68K)
• Appendix K: ECOTOX Bibliography Considered for Oryzalin (PDF) (32 pp, 884K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.39MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Oxamyl and the California red-legged frog

Transmittal Letter (PDF) (2 pp, 121K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/09)

Effects Memorandum (PDF) (1 p, 60.72K) from Anita Pease, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/12/09)

Oxamyl Analysis (PDF) (117 pp, 930K) Risks of Oxamyl Use to the Federally Threatened California Red-legged Frog (2/12/09)

• Appendix A: Intersection of Oxamyl Use Area and California Red-legged frog Habitat (PDF) (8 pp, 658K)
• Appendix B: The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 30K)
• Appendix C: PRZM/EXAMS Input Files and Output File Data (PDF) (33 pp, 203.82K)
• Appendix D: Example output from T-REX v.1.3.1 (PDF) (3 pp, 57.86K)
• Appendix E: Example output from Terrplant v.1.2.2 (PDF) (1 p, 42K)
• Appendix F: List of citations accepted and rejected by ECOTOX criteria (PDF) (55 pp, 346K)
• Appendix G: Detailed spreadsheet of available ECOTOX open literature for oxamyl (PDF) (8 pp, 19.83K)
• Appendix H: Summary of human health effects data for oxamyl (PDF) (4 pp, 98K)
• Appendix I: Example output from analysis of likelihood of individual mortality (PDF) (1 p, 25K)
• Appendix J: Example output from T-HERPS v.1.0 (PDF) (1 p, 31K)
• Appendix K: Use of fugacity approach to estimate exposures to small mammals consuming earthworms contaminated with oxamyl from treatment sites (PDF) (4 pp, 63.78K)
• Appendix L: Degradate summary (PDF) (3 pp, 55.17K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Oxydemeton Methyl and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 33K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/22/07)

Effects Memorandum (PDF) (2 pp, 116K) from Donna Randall, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/18/07)

Oxydemeton Methyl Analysis (PDF) (113 pp, 2.12MB) Risks of Oxydemeton Methyl Use to the Federally Threatened California Red-legged Frog (10/18/07)

• Appendix A: PRZM-EXAMS Water Modeling Results (PDF) (63 pp, 732K)
• Appendix B: T-REX and T-HERPS Model Output (PDF) (13 pp, 374K)
• Appendix C: Papers Accepted for ECOTOX-OPP and Included (PDF) (3 pp, 839K)
• Appendix D: Papers Accepted for ECOTOX-OPP but not Included (PDF) (5 pp, 153K)
• Appendix E: Papers Excluded from ECOTOX (PDF) (19 pp, 402K)
• Appendix F: Reviews of ECOTOX Papers Included (PDF) (7 pp, 141K)
• Appendix G: Toxicity Categories and Levels of Concern (PDF) (2 pp, 77.40K)
• Appendix H: Spatial Summary and Maps (PDF) (33 pp, 13.1MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
  

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Effects Determination for Oxyfluorfen and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 129K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/17/08)

Effects Memorandum (PDF) (2 pp, 89K) from Christine Hartless, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/16/08)

Oxyfluorfen Analysis (PDF) (165 pp, 3.85MB) Risks of Oxyfluorfen Use to the Federally Threatened California Red-legged Frog (10/16/08)

• Appendix A: Multi-ai analysis (3 pp, 58K)
• Appendix B: Supplemental Fate Information (6 pp, 59K)
• Appendix C: DPR PUR Data (7 pp, 415K)
• Appendix D: Spatial Summary for Oxyfluorfen Uses (10 pp, 873K)
• Appendix E: HED Genetic Toxicity Profile (3 pp, 73K)
• Appendix F: Ecological Effects Data (11 pp, 276K)
• Appendix G: ECOTOX Literature (71 pp, 2.02MB)
• Appendix H: EIIS Incident Data (4 pp, 113K)
• Appendix I: RQ Methods and LOC Definitions (3 pp, 25K)
• Appendix J: Example Output from PRZM, T-REX, TerrPlant, T-HERPS & Expanded THERPS Tables (16 pp, 445K)
• Appendix K: Earthworm Fugacity Model (6 pp, 84K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Paraquat and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 65K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (June 19, 2009)

Effects Memorandum (PDF) (2 pp, 52.31K) from Jean Holmes, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (June 10, 2009)

Paraquat Analysis (PDF) (131 pp, 1.14MB) Risks of Paraquat Use to the Federally Threatened California Red-legged Frog (June 10, 2009)

• Appendix A: Ecological Effects Data (PDF) (6 pp, 103.11K)
• Appendix B: Multi-ai Product Analysis (PDF) (2 pp, 17.17K)
• Appendix C: RQ Method and LOCs (PDF) (2 pp, 19K)
• Appendix D: Spatial Analysis of Paraquat (PDF) (9 pp, 337K)
• Appendix E: T-REX Example Output (PDF) (2 pp, 40.67K)
• Appendix F: Bibliography of Evaluated ECOTOX Open Literature Data (PDF) (142 pp, 722.3K)
• Appendix G: Bibliography of ECOTOX Open Literature Data Not Evaluated (PDF) (409 pp, 2.3MB)
• Appendix H: Paraquat Incident Data (PDF) (6 pp, 38.67K)
• Appendix I: GENEEC2 Example Output (PDF) (3 pp, 38K)
• Appendix J: T-HERPS Example Output (PDF) (1 p,28.6K)
• Appendix K: Summary of Human Health Effects Data for Paraquat (PDF) (5 pp, 42.17K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Pendimethalin and the Bay Checkerspot Butterfly

Transmittal Letter (PDF) (2 pp, 56K) from Donald Brady, Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/27/2012)

Effects Memorandum (PDF) (2 pp, 36K) from Stephanie Syslo, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (12/19/2012)

Pendimethalin (PDF) (80 pp, 853K) Risks of Pendimethalin Use to Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis) (12/31/2012)

• Appendix A: Product Formulations Containing Multiple Active Ingredients (PDF) (4 pp, 31K)
• Appendix B: Verification Memorandum for Pendimethalin for SF Bay Species July 10, 2012 (PDF) (4 pp, 64K)
• Appendix C: The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 31K)
• Appendix D: Example Output from T-Rex Version 1.5.1 (PDF) (1 p, 17K)
• Appendix E: Example Output from TerrPlant Version 1.2.2 (PDF) (2 pp, 35K)
• Appendix F: Summary of Submitted EcoToxicity Studies (PDF) (5 pp, 68K)
• Appendix G: Explanation of OPP Acceptability Criteria and Rejection Codes for ECOTOX Data (PDF) (54 pp, 283K)
• Appendix H: Accepted ECOTOX Data Table (sorted by effect) (PDF) (135 pp, 266MB)
• Appendix I: Pendimethalin Human Health Risk Assessment for the Proposed Food Uses of the Herbicide on Artichoke, Globe; Asparagus; Brassica Head and Stem Vegetables, Subgroup 5A; and Grape (PP#6E7129). 22 August 2007 (PDF) (34 pp, 239K)
• Appendix J: Summary of Pendimethalin Incidents (PDF) (24 pp, 115K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 304K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,374K)

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Effects Determination for Pendimethalin and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 67K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (June 17, 2009)

Effects Memorandum (PDF) (2 pp, 51.08K) from Biologist Jean Holmes - who went through section 7 training and signed the memo, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (June 16, 2009)

Pendimethalin Analysis (PDF) (123 pp, 1.19MB) Risks of Pendimethalin Use to the Federally Threatened California Red-legged Frog (June 16, 2009)

• Appendix A: Ecological Effects Data (PDF) (4 pp, 72K)
• Appendix B: Multi-ai Product Analysis (PDF) (4 pp, 32K)
• Appendix C: RQ Method and LOCs (PDF) (2 pp, 30K)
• Appendix D: CRLF Spatial Summary (PDF) (9 pp, 825K)
• Appendix E: T-REX Output (PDF) (27 pp, 395K)
• Appendix F: TERRPLANT Output (PDF) (23 pp, 379K)
• Appendix G: ECOTOX Bibliography (PDF) (80 pp, 560K)
• Appendix H: Accepted ECOTOX Data Table (PDF) (6 pp, 284.48K)
• Appendix I: HED Effects (PDF) (34 pp, 262.42K)
• Appendix J: PRZM-EXAMS Output (PDF)(54 pp, 204K)
• Appendix K: KABAM Model Output (PDF) (16 pp, 181.32K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Permethrin and the Valley Elderberry Longhorn Beetle

Transmittal Letter (PDF) (2 pp, 49K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (09/30/2010)

Effects Memorandum (PDF) (2 pp, 34K) from Mah T. Shamim, Ph.D., Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (09/30/2010)

Permethrin Analysis (PDF) (98 pp, 732K) Risks of Permethrin Use to Federally Threatened Valley Elderberry Longhorn Beetle (Desmocerus californicus dimorphus) (09/30/2010)

• Appendix A: Permethrin Multi-a.i. Product Analysis (PDF) (28 pp, 412K)
• Appendix B:Verification Memorandum for Permethrin SF Bay Species (PDF) (6 pp, 299K)
• Appendix C: Risk Quotient (RQ) Methods and Levels of Concern (LOC) (PDF) (2 pp, 27K)
• Appendix D: Sample T-REX Output (PDF) (1 pp, 18K)
• Appendix E: Risk Mitigation Measures Effective May 30, 2008, Uses Not Included in the VELB Assessment and Non-agricultural Uses for Permethrin (PDF) (19 pp, 233K)
• Appendix F: Summary of Ecological Effects Data for Terrestrial Invertebrates and Plants (PDF) (7 pp, 134K)
• Appendix G: Bibliography of ECOTOX Papers (PDF) (203 pp, 1.38MB)
• Appendix H: ECOTOX Database for Permethrin (Sorted by Effect) (PDF) (68 pp, 2.68MB)
• Appendix I: Permethrin Sixth Revision of the HED Chapter of the Reregistration Eligibility Decision Document (RED) (PDF) (141 pp, 1.06MB)
• Appendix J: Maps of Potential Permethrin Use and Overlap with VELB Habitat and Occurrence Sections (PDF) (3 pp, 1.46MB)
• Appendix K: Summary of Permethrin Incidents (PDF) (8 pp, 65K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 154K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (88 pp, 424K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp., 1582K)

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Effects Determination for Permethrin and the California Red-legged Frog, Bay Checkerspot Butterfly, California Clapper Rail, Salt Marsh Harvest Mouse, and San Francisco Garter Snake

Permethrin Transmittal Letter (PDF) (2 pp, 134K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/20/08)

Permethrin Effects Memorandum (PDF) (2 pp, 122K) from Mah Shamim, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/20/08)

Permethrin Analysis (PDF) (293 pp, 2.46MB) Risks of Permethrin Use to the Federally Threatened California Red-legged Frog, and Bay Checkerspot Butterfly, and the Federally Endangered California Clapper Rail, Salt Marsh Harvest Mouse, and San Francisco Garter Snake (10/20/08)

• Appendix A: Permethrin Multi-a.i. Product Analysis (PDF) (28 pp, 494K)
• Appendix B: Bibliography of ECOTOX Open Literature (PDF) (307 pp, 5.28MB)
• Appendix C: Permethrin Post RED Mitigation Measures and Non-Agricultural Labeled Uses (PDF) ( 17 pp, 157K)
• Appendix D: Risk Quotient (RQ) Methods and Levels of Concern (LOC) (PDF) (2 pp, 35K)
• Appendix E: Permethrin Sample PRZM-EXAMS Runs (PDF) (6 pp, 52K)
• Appendix F: T-REX Example Output (PDF) (3 pp, 62K)
• Appendix G: Fugacity Model- Terrestrial Chronic Exposure Estimates for Granular Applications of Permethrin (PDF) (8 pp, 110K)
• Appendix H: Accepted ECOTOX Data Table (sorted by effect) (PDF) (68 pp, 9.51MB)
• Appendix I: Health Effects Division (HED) Data Tables for Permethrin (PDF) (3 pp, 89K)
• Appendix J: Ecological Effects Data (PDF) (42 pp, 351K)
• Appendix K: Permethrin Ecological Incidents (PDF) (9 pp, 67K)
• Appendix L: T-HERPS Example Output (PDF) (1 p, 34K)
• Attachment 1: Status and Life History of the California Red-legged Frog (PDF) (30 pp, 1.4 MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
• Attachment 3: Life History of the San Francisco Bay Listed Species (PDF) (86 pp, 423.08K)
• Attachment 4: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp, 1.50MB)

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Effects Determination for Pentachloronitrobenzene (PCNB) and the Bay Checkerspot Butterfly, California Clapper Rail, California Fresh Water Shrimp, California Tiger Salamander, San Francisco Garter Snake, Delta Smelt, and Tidewater Goby

Transmittal Letter (PDF) (2 pp, 60K) from Steven Bradbury Ph.D, Director, Office of Pesticide Programs to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (06/29/2012)

Effects Memorandum (PDF) (2 pp, 57K) from Thomas Steeger, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (06/27/2012)

Pentachloronitrobenzene Analysis (PDF) (153 pp, 1.54MB): Risks of Pentachloronitrobenzene Use to the Federally Threatened Bay Checkerspot Butterfly (Euphydryas editha bayensis), California Tiger Salamander (Ambystoma californiense) Central California Distinct Population Segment, and Delta Smelt (Hypomesus transpacificus) And the Federally Endangered California Clapper Rail (Rallus longirostris obsoletus), California Freshwater Shrimp (Syncaris pacificus), California Tiger Salamander (Ambystoma californiense) Sonoma County Distinct Population Segment and Santa Barbara County Distinct Population Segment, San Francisco Garter Snake (Thamnophis sirtalis tetrataenia), and Tidewater Goby ((Eucyclogobius newberryi) (06/28/2012)

• Appendix A: Verification Memo for PCNB (PDF) (7 pp, 801K)
• Appendix B: Use Closure Memo for PCNB (PDF) (7 pp, 512K)
• Appendix C: RQ Method and LOCs (PDF) (2 pp, 19K)
• Appendix D: Example Output from PE5 (PDF) (3 pp, 93.88K)
• Appendix E: Example Output from T-REX and T-HERPS (PDF) (3 pp, 185K)
• Appendix F: Summary of Ecotoxicity Data for PCNB and Degradates (PDF) (11 pp, 212K)
• Appendix G: Bibliography of ECOTOX Open Literature (PDF) (242 pp, 1.40MB)
• Appendix H: Accepted ECOTOX Data Table (sorted by effect) (PDF) (30 pp, 1.16MB)
• Appendix I: HED Chapter of the RED for PCNB (PDF) (73 pp, 2.79MB)
• Appendix J: Complete List of MRID Studies for PCNB (PDF) (146 pp, 905K)
• Appendix K: Soil and Worm Residue Calculations (PDF) (4 pp, 153K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on San Francisco Bay Species (PDF) (26 pp, 119K)
• Attachment II: Status and Life History of the San Francisco Bay Listed Species (PDF) (105 pp, 304K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (141 pp, 1,374K)

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Effects Determination for Phorate and the California Red-legged Frog, Valley Elderberry Longhorn Beetle, Bay Checkerspot Butterfly, and San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 134K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/20/08)

Effects Memorandum (PDF) (2 pp, 95K) from Tom Bailey, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/10/08)

Phorate Analysis (PDF) (127 pp, 2.42MB) Risks of Phorate Use to the Federally Threatened California Red-legged Frog, Valley Elderberry Longhorn Beetle, Bay Checkerspot Butterfly, and Endangered San Joaquin Kit Fox (10/10/08)

• Appendix A: Ecological Effects Data Summary (PDF) (12 pp, 225K)
• Appendix B: Product Formulations Containing Multiple Active Ingredients (PDF) (2 pp, 24K)
• Appendix C: Risk Quotient (RQ) Method and Levels of Concern(LOC) (PDF) (2 pp, 40K)
• Appendix D: GIS Maps (PDF) (1 p, 11K)
• Appendix E: T-REX Example Output (PDF) (1 p, 11K)
• Appendix F: TerrPlant Example Output (PDF) (1 p, 11K)
• Appendix G: Accepted ECOTOX Data Table (PDF) (6 pp, 1.40MB)
• Appendix H: Bibliography of ECOTOX Open Literature Not Evaluated (PDF) (49 pp, 353K)
• Appendix I: HED Effects (PDF) (8 pp, 45K)
• Appendix J: EIIS Pesticide Summary Report (PDF) (11 pp, 220K)
• Appendix K: PRZM/EXAMS Output Files (PDF) (30 pp, 447K)
• Appendix L: T-REX Output Files(PDF) (21 pp, 452K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
• Attachment 3: Life History of the San Francisco Bay Listed Species (PDF) (86 pp, 423.08K)
• Attachment 4: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp, 1.50MB)

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Effects Determination for Phosmet and the California Tiger Salamander

Transmittal Letter (PDF) (2 pp, 59K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (03/31/2010)

Effects Memo (PDF) (2 pp, 245K) from Melissa Panger, Ph.D., Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (03/29/2010)

Phosmet Effects Determination (PDF) (116 pp, 1.08MB): Risks of Phosmet Use to the Federally Threatened and Endangered California Tiger Salamander (03/29/2010)

• Appendix A: Multi-Active Ingredients Product Analysis (PDF) (1 pp, 10K)
• Appendix B: Verification Memo for Phosmet (PDF) (17 pp, 697K)
• Appendix C: Risk Quotient (RQ) Method and Levels of Concern (LOCs)(PDF) (1 pp, 21K)
• Appendix D: Example Output from PRZM/EXAMS (PDF) (26 pp, 105K)
• Appendix E: Example Output from T-REX and T-HERPS (PDF) (3 pp, 38K)
• Appendix F: Example Output from TerrPlant Version 1.2.2 (PDF) (1 p, 30K)
• Appendix G: Summary of Exotoxicity Data (PDF) (3 pp, 46K)
• Appendix H: Bibliography of EXOTOX Open Literature (PDF) (127 pp, 997K)
• Appendix I: Accepted ECOTOX Data Table (sorted by effect) (PDF) (5 pp, 190K)
• Appendix J: The HED Chapter of the Reregistration Eligibility Decision Document (RED) for Phosmet (Case Number 0242 Chemical Number 059201) (PDF) (33 pp, 263K)
• Appendix K: Description of Spatial Analysis and Maps Showing the Overlap of the Initial Area of Concern and the Species Habitat and Occurrent Sections (PDF) (12 pp, 182K)
• Appendix L: Summary of Phosmet Incidents (PDF) (2 pp, 32K)
• Appendix M: AGDRIFT Calculations (PDF) (28 pp, 104K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 163K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 440K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp., 1.55MB)

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Effects Determination for Phosmet and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 130.16K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (6/20/08)

Effects Memorandum (PDF) (1 p, 67.70K) from Thomas Steeger, Ph.D., Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (6/18/08)

Phosmet Analysis (PDF) (106 pp, 1.21MB) Risks of Phosmet Use to the Federally Threatened California Red-legged Frog (6/18/08)

• Appendix A: Phosmet RLF use closure memo 12-10-07 (PDF) (18 pp, 392K)
• Appendix B: County Level Usage for California in Support of CRLF (PDF) (4 pp, 204K)
• Appendix C: Phosmet Sample PRZM (PDF) (3 pp, 17K)
• Appendix D: Sample TREX Input and Output (PDF) (2 pp, 35K)
• Appendix E: ECOTOX Bibliography (PDF) (1234 pp, 6.18MB)
• Appendix F: ECOTOX Endpoints Phosmet Oct 2007 (PDF) (6 pp, 1.89MB)
• Appendix G: HED Phosmet Assessment (PDF) (63 pp, 2.68MB)
• Appendix H: GIS Phosmet (PDF) (15 pp, 2.24MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Potassium and Sodium Nitrates and the Alameda Whipsnake, San Francisco Garter Snake, and San Joaquin Kit Fox

Effects Memorandum and Analysis (3/30/2010)

Effects Determination for Prometryn and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 59K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (June 19, 2009)

Effects Memorandum (PDF) (2 pp, 112K) from Stephanie Syslo, Risk Assessment Process Leader, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (June 17, 2009)

Prometryn Analysis (PDF) (128 pp, 1.25MB) Risks of Prometryn Use to the Federally Threatened California Red-legged Frog (June 17, 2009)

• Appendix A: Ecological Effects Data (PDF) (4 pp, 71.22K)
• Appendix B: Multi-ai Product Analysis (PDF) (2 pp, 23K)
• Appendix C: RQ Method and LOCs (PDF) (2 pp, 19K)
• Appendix D: Spatial Analysis of Prometryn (PDF) (8 pp, 648K)
• Appendix E: T-REX Example Output (PDF) (2 pp, 42K)
• Appendix F-1: Excel Spreadsheet of Evalutated ECOTOX Open Literature Data (PDF) (2 pp, 122.60K)
• Appendix F-2: Bibliography of Evaluated ECOTOX Open Literature Data (PDF) (4 pp, 34K)
• Appendix G: Bibliography of Accepted by ECOTOX but NOT OPP Open Literature Data (PDF) (10 pp, 72K)
• Appendix H: Bibliography of Rejected ECOTOX Open Literature Data (PDF) (206 pp, 1.44MB)
• Appendix I: Prometryn Incident Data (PDF) (2 pp, 13K)
• Appendix J-1: GENEEC and PRZM/EXAMS Inputs and Outputs (PDF) (131 pp, 575K)
• Appendix J-2: GENEEC Model Inputs and EECs (PDF) (1 p, 29.04K)
• Appendix K: T-HERPS Example Output (PDF) (1 p, 35K)
• Appendix L: Summary of Human Health Effects Data for Prometryn (PDF) (2 pp, 156K)
• Appendix M: TerrPlant Model Inputs and Outputs Example (PDF) (2 pp, 57K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Propanil and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 54K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/20/09)

Effects Memorandum (PDF) (2 pp, 46K) from Jean Holmes, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (October 15, 2009)

Propanil Analysis (PDF) (119 pp, 1.22MB) Risks of Propanil Use to the Federally Threatened California Red-legged Frog (October 15, 2009)

• Appendix A: Multi-ai Product Analysis (PDF) (3 pp, 29K)
• Appendix B: Chemical Structure of Parent and Degradate (PDF) (1 p, 29K)
• Appendix C: RQ Method and LOCs (PDF) (2 pp, 18K)
• Appendix D: Spatial Summary of Propanil (PDF) (8 pp, 791K)
• Appendix E: Rice Model Output (PDF) (1 p, 24K)
• Appendix F: T-REX Example Output (PDF) (2 pp, 40K)
• Appendix G: Spreadsheet of ECOTOX Data (PDF) (62 pp, 196K)
• Appendix H: Bibliography of Excluded ECOTOX Open Literature Data (PDF) (88 pp, 621K)
• Appendix I: Bibliography of ECOTOX Open Literature Data Reviewed for Propanil (Including its Degradate 3,4-DCA) (PDF) (17 pp, 148K)
• Appendix J: Ecological Effects Data (PDF) (7 pp, 125K)
• Appendix K: Propanil Incidents (PDF) (1 p, 10K)
• Appendix L: T-Herps Example Output (PDF) (1 p, 29K)
• Appendix M: HED Summary (PDF) (6 pp, 85K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Propargite and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 131K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (6/20/08)

Effects Memorandum (PDF) (4 pp, 299K) from Christine Hartless, PhD, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (6/16/08)

Propargite Analysis (PDF) (137 pp, 1.51MB) Risks of Propargite Use to the Federally Threatened California Red-legged Frog (6/16/08)

• Appendix A: Ecological Effects Data (PDF) (7 pp, 77K)
• Appendix B: Supplemental Fate Information (PDF) (19 pp, 2.11MB)
• Appendix C: RQ Description (PDF) (2 pp, 66K)
• Appendix D: GIS Maps (PDF) (9 pp, 437K)
• Appendix E: TREX and T-HERP Model Runs (PDF) (6 pp, 31K)
• Appendix F: Part 1 ECOTOX (PDF) (50 pp, 411K)
• Appendix F: Part 2 ECOTOX Spreadsheet (PDF) (2 pp, 447K)
• Appendix G: Incidents (PDF) (1 p, 17.90K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Propyzamide and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 33.3K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (2/20/08)

Effects Memorandum (PDF) (1 p, 59.6K) from Thomas Steeger, Ph.D, Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (2/7/08)

Propyzamide Analysis (PDF) (123 pp, 3.46MB) Risks of Propyzamide Use to the Federally Threatened California Red-legged Frog (2/7/08)

• Appendix A: Aquatic and terrestrial animal probit dose-response analysis (PDF) (18 pp, 82.9K)
• Appendix B: Aquatic exposure modeling inputs (PDF) (8 pp, 59.9K)
• Appendix C: The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 32.3K)
• Appendix D: Spatial analysis of action area (PDF) (26 pp, 3.54MB)
• Appendix E: Example output from T-REX v.1.3.1 model (PDF) (3 pp, 30.8K)
• Appendix F: Example output from TerrPlant v.1.2.2 model (PDF) (2 pp, 25K)
• Appendix G: List of citations accepted and rejected by ECOTOX (PDF) (48 pp, 299K)
• Appendix H: Ecological incidents summary (PDF) (1 p, 11.3K)
• Appendix I: Output from T-HERPS v.1.0 model (PDF) (2 pp, 22.3K)
• Appendix J: Individual Effect Analysis (1 p, 16.1K)
• Appendix K: Degradate summary (4 pp, 98.9K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Rotenone and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 131K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/17/08)

Effects Memorandum (PDF) (2 pp, 75K) from Thomas Steeger, Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/16/08)

Rotenone Analysis (PDF) (88 pp, 1.14MB) Risks of Rotenone Use to the Federally Threatened California Red-legged Frog (10/16/08)

• Appendix A: Use Closure Memo (PDF) (1 p, 151K)
• Appendix B: Multi-AI Product Analysis (PDF) (1 p, 32K)
• Appendix C: California Pesticide Use Reporting Data (PDF) (21 pp, 222K)
• Appendix D: Risk Quotient Method and LOCs (PDF) (2 pp, 29K)
• Appendix E: ECOTOX Literature Search (PDF) (120 pp, 877K)
• Appendix F: Toxicity Data for Rotenone Degradates and Formulated Products (PDF) (26 pp, 254K)
• Appendix G: Species Sensitivity Distribution Data (PDF) (2 pp, 29K)
• Appendix H: Lake Davis, California, Incident Report (PDF) (3 pp, 27K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Simazine and the Delta Smelt

Transmittal Letter (PDF) (2 pp, 512K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (06/30/2010)

Effects Memorandum (PDF) (2 pp, 53K) from Anita Pease, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (06/30/2010)

Simazine Analysis (PDF) (105 pp, 1.51MB): Risks of Simazine Use to Federally Threatened Delta Smelt (Hypomesus transpacificus) (06/30/2010)

• Appendix A: Multi-ai Product Analysis (PDF) (2 pp, 25.59K)
• Appendix B: RQ Method and LOCs (PDF) (2 pp, 26.89K)
• Appendix C: Verification Memo (PDF) (3 pp, 35.17K)
• Appendix D: PRZM/EXAMS Example Output (PDF) (44 pp, 872K)
• Appendix E: Spatial Analysis and GIS Maps (PDF) (7 pp, 212K)
• Appendix F: TerrPlant Example Output (PDF) (1 pG, 26.20K)
• Appendix G: Ecotoxicity Data Summary (PDF) (43 pp, 425K)
• Appendix H: Bibliography ECOTOX Open Literature (PDF) (229 pp, 1.29K)
• Appendix I: Accepted ECOTOX Data Table (PDF) (19 pp, 432K)
• Appendix J: HED Chapter (PDF) (106 pp, 851K)
• Appendix K: Incident Summaries (PDF) (4 pp, 28.91K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 163K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 434K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp., 1.55MB)

Effects Determination for Potassium and Sodium Nitrates and the Alameda Whipsnake, San Francisco Garter Snake, and San Joaquin Kit Fox

Effects Memorandum and Analysis (3/30/2010)

Effects Determination for Simazine and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 32K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/22/07)

Effects Memorandum (PDF) (2 pp, 66.6K) from Anita Pease, Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/17/07)

Simazine Analysis (PDF) (147 pp, 2.41MB) Risks of Simazine Use to the Federally Threatened California Red-legged Frog (10/17/07)

• Appendix A: Ecological Effects Data (PDF) (50 pp, 979K)
• Appendix B: Multi-ai Product Analysis (PDF) (3 pp, 104K)
• Appendix C: RQ Method and LOCs (PDF) (3 pp, 123K)
• Appendix D: GIS Maps (PDF) (24 pp, 5.77MB)
• Appendix E: T-REX Output (PDF) (4 pp, 198K)
• Appendix F: TerrPlant Output (PDF) (2 pp, 98K)
• Appendix G: Bibliography of ECOTOX Open Literature (PDF) (230 pp, 3.93MB)
• Appendix H: Aquatic Incidents (PDF) (5 pp, 90K)
• Appendix I: Fugacity Model (PDF) (6 pp, 165K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Strychnine and the California Red-legged Frog, the California Tiger Salamander, and the San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 58K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/20/09)

Effects Memorandum (PDF) (2 pp, 67.31K) from Stephanie Syslo, Environmental. Scientist/RAPL, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/19/09)

Strychnine Analysis (PDF) (71 pp, 556.04K) Risks of Strychnine Use to the Federally Threatened California Red-legged Frog, the Federally Threatened and Federally Endangered California Tiger Salamander, and the Federally Endangered San Joaquin Kit Fox (10/19/09)

• Appendix A: Estimation of Upper-Bound Aquatic Exposure (PDF) (1 p, 22K)
• Appendix B: Accepted ECOTOX Data for Strychnine (PDF) (6 pp, 341K)
• Appendix C: Bibliography of ECOTOX Open Literature (PDF) (154 pp, 1.12MB)
• Appendix D: HED Effects (PDF) (1 p, 13K)
• Appendix E: Strychnine Incidents (PDF) (14 pp, 147.61K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
• Attachment 3: Life History of the San Francisco Bay Listed Species (PDF) (86 pp, 418K)
• Attachment 4: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp., 1,535 KB)

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Effects Determination for Telone and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 99.89K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (6/20/08)

Effects Memorandum (PDF) (3 pp, 134K) from Shannon Borges, Biopesticides and Pollution Prevention Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (6/20/08)

Telone Analysis (PDF) (129 pp, 1.55MB) Risks of Telone Use to the Federally Threatened California Red-legged Frog (6/20/08)

• Appendix A: Product Formulations Containing Multiple Active Ingredients (PDF) (3 pp, 75.03K)
• Appendix B: Risk Quotient Method and Levels of Concern (PDF) (1 p, 20.18K)
• Appendix C: PRZM-EXAMS Output Files (PDF) (175 pp, 7.10MB)
• Appendix D: TerrPlant Example Output (PDF) (1 p, 50.06K)
• Appendix E: Bibliography of ECOTOX Open Literature Not Evaluated (PDF) (205 pp, 4.62MB)
• Appendix F: Toxicity Data Available in ECOTOX (PDF) (44 pp, 5.99MB)
• Appendix G: ECOTOX Study Evaluation (PDF) (2 pp, 29K)
• Appendix H: Telone Incidents (PDF) (3 pp, 43.02K)
• Appendix I: HED Risk Assessment with most current mammal toxicity data (PDF) (84 pp, 1.26MB)
• Appendix J: Geographic Information system Output (PDF) (15 pp, 2.23MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)

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Effects Determination for Thiobencarb and the California Red-legged Frog and the Delta Smelt

Transmittal Letter (PDF) (2 pp, 58.61K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/20/09)

Effects Memorandum (PDF) (2 pp, 55K) from Jean Holmes, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/19/09)

Thiobencarb Analysis (PDF) (168 pp, 1.50MB) Potential Risks of Thiobencarb Use to the Federally Threatened California Red-legged Frog (Rana aurora draytonii) and Delta Smelt (Hypomesus transpacificus) (10/19/09)

• Appendix A: Degradates for Consideration in the Human Health Drinking Water Risk Assessment - EFED Report to the ROCKS Committee (PDF) (17 pp, 100.22K)
• Appendix B: Predicted Toxicity of the Degradates to Aquatic Organisms Using ECOSAR Version 1.0 (PDF) (16 pp, 69K)
• Appendix C: Product Formulations Containing Multiple Active Ingredients (PDF) (2 pp, 17.47K)
• Appendix D: Verification Memo for Thiobencarb for Red Legged Frog Assessment (PDF) (5 pp, 1.01MB)
• Appendix E: Total Pounds Thiobencarb Applied to Rice in California 1994-2006 (PDF) (1 p, 31.22K)
• Appendix F: Risk Quotient (RQ) Method and Levels of Concern (LOCs) (PDF) (1 p, 17.52K)
• Appendix G: Example Output from T-REX and T-HERPS (PDF) (9 pp, 203K)
• Appendix H: Example Output from Terrplant Version 1.2.2 (PDF) (4 pp, 83.61K)
• Appendix I: Summary of Ecotoxicity Data (PDF) (36 pp, 369K)
• Appendix J: Bibliography of ECOTOX Open Literature Data for Thiobencarb (PDF) (36 pp, 316.74K)
• Appendix K: Accepted ECOTOX Data Table (sorted by effect) and Bibliography (PDF) (18 pp, 805K)
• Appendix L: The HED Chapter of the Reregistration Eligibility Decision Document (RED) for Thiobencarb (Case Number 2665; Chemical number 108401) (PDF) (28 pp, 137K)
• Appendix M: Predicted Atmospheric Half-Life Using EPISUITE Version 4.0 (PDF) (1 p, 11.91K)
• Appendix N: Spatial Analyses (PDF) (12 pp, 431.67K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) 30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
• Attachment 3: Life History of the San Francisco Bay Listed Species (PDF) (86 pp, 418K)
• Attachment 4: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp., 1535K)

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Effects Determination for Tribufos and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 126K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/17/08)

Effects Memorandum (PDF) (2 pp, 79K) from Melissa Panger and Megan Thynge, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/17/08)

Tribufos Analysis (PDF) (112 pp, 1.09 MB) Risks of Tribufos Use to the Federally Threatened California Red-legged Frog (10/17/08)

• Appendix A: Tribufos Usage Data from the California Department of Pesticide Regulation Pesticide Use Reporting (CDPR PUR, 1999-2006) Database (PDF) (4 pp, 93K)
• Appendix B: Recovery Units, Core Areas, Other Known Occurrences, and Designated Critical Habitat of the CRLF (PDF) (5 pp, 122K)
• Appendix C: Ecological Effects Data for Tribufos (PDF) (7 pp, 92K)
• Appendix D: HED Effects Table for Tribufos (PDF) (1 p, 33K)
• Appendix E: RQ Methods and LOCs (PDF) (2 pp, 27K)
• Appendix F: PRZM/EXAMS Model Inputs and Outputs for Tribufos Aerial and Ground Applications (PDF)(5 pp, 33K)
• Appendix G: T-REX Example Output (PDF) (2 pp, 66K)
• Appendix H: TerrPlant Example Output for Tribufos (PDF) (1 p, 31K)
• Appendix I: Bibliography of ECOTOX Open Literature for Tribufos (PDF) (52 pp, 411K)
• Appendix J: Accepted ECOTOX Effects Data Table for Tribufos (PDF) (7 pp, 909K)
• Appendix K: T-HERPS Example Output for Tribufos (PDF) (1 p, 48K)
• Appendix L: Spatial Summary for tribufos Uses (PDF) (8 pp, 714K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Triclopyr and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 57.47K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/20/09)

Effects Memorandum (PDF) (2 pp, 49.57K) from Jean Holmes, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (October 19, 2009)

Triclopyr Analysis (PDF) (147 pp, 1.34MB) Risks of Triclopyr Use to the Federally Threatened California Red-legged Frog (October 19, 2009)

• Appendix A: Ecological Effects Data (PDF) (24 pp, 419K)
• Appendix B: Multi-ai Product Analysis (PDF) (3 pp, 24.81K)
• Appendix C: RQ Method and LOCs (PDF) (2 pp, 18.94K)
• Appendix D: Spatial Summary of Triclopyr (PDF) (9 pp, 339K)
• Appendix E: T-REX Example Output (PDF) (2 pp, 35.04K)
• Appendix F: T-HERPS Example Output (PDF) (1 p, 35K)
• Appendix G: TerrPlant Example Output (PDF) (1 p, 38.83K)
• Appendix H: Bibliography of Excluded ECOTOX Open Literature Data (PDF) (30 pp, 169K)
• Appendix I: Bibliography of ECOTOX Open Literature Data Reviewed for Triclopyr (PDF) (18 pp, 105K)
• Appendix J: Rice Model (PDF) (1 p, 41K)
• Appendix K: PRZM/EXAMS (PDF) (98 pp, 335.1K)
• Appendix L: Chemical Structure of Triclopyr (PDF) (2 pp, 22K)
• Appendix M: HED Effects Table (PDF) (4 pp, 64.82K)
• Appendix N: Spreadsheet of ECOTOX Open Literature Data (PDF) (46 pp, 3.11MB)
• Appendix O: Incident Data (PDF) (12 pp, 47.87K)
• Appendix P: Chemical Properties for TEA and BEE (PDF) (1 p, 21.86K)
• Appendix Q: PRZM/EXAMS Runs at Mitigated Rate (PDF) (2 pp, 40.25K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Trifluralin and the California Red-legged Frog, Delta Smelt, San Francisco Garter Snake and San Joaquin Kit Fox

Transmittal Letter (PDF) (2 pp, 57.30K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/20/09)

Effects Memorandum (PDF) (2 pp, 53.60K) from Christine Hartless, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/16/2009)

Trifluralin Analysis (PDF) (164 pp, 1.01MB): Risks of Trifluralin Use to the Federally Listed California Red-legged Frog, Delta Smelt, San Francisco Garter Snake and San Joaquin Kit Fox (10/16/2009)

• Appendix A: Multi-ai Analysis (PDF) (5 pp, 46.71K)
• Appendix B: Supplemental Fate Information (PDF) (10 pp, 82.35K)
• Appendix C: Detailed DPR PUR Data (PDF) (3 pp, 33.99K)
• Appendix D: PRZM/PE5 Output Files (PDF) (4 pp, 19.16K)
• Appendix E: Toxicity Analog Analysis (PDF) (5 pp, 42.52K)
• Appendix F: Ecological Effects Data (PDF) (11 pp, 121K)
• Appendix G: HED Toxicity Profile (PDF) (14 pp, 99.41K)
• Appendix H: ECOTOX Literature (PDF) (280 pp, 2.85MB)
• Appendix I: EIIS Incident Data (PDF) (18 pp, 142K)
• Appendix J: RQ Methods and LOC Definitions (PDF) (3 pp, 29.29K)
• Appendix K: T-REX Output Tables (PDF) (3 pp, 39K)
• Appendix L: T-HERPS Output Tables (PDF) (2 pp, 27.73K)
• Appendix M: TerrPlant Output Tables (PDF) (2 pp, 24.49K)
• Appendix N: KABAM Input and Output Tables (PDF) (14 pp, 303K)
• Appendix O: Supplemental RQ Tables (PDF) (10 pp, 192.54K)
• Appendix P: Earthworm Fugacity Estimation (PDF) (3 pp, 42.61K)
• Appendix Q: Use Verification Correspondence (PDF) (16 pp, 378K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4 MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)
• Attachment 3: Life History of the San Francisco Bay Listed Species (PDF) (86 pp., 418K)
• Attachment 4: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (119 pp., 1535K)

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Effects Determination for Vinclozolin and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 56K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/20/09)

Effects Memorandum (PDF) (1 p, 40.87K) from Thomas Steeger, Senior Biologist, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/14/09)

Vinclozolin Analysis (PDF) (98 pp, 676K) Risks of Vinclozolin Use to the Federally Threatened California Red-legged Frog (10/14/09)

• Appendix A: Use verification memo from the Special Review and Reregistration Division (PDF) (4 pp, 27.93K)
• Appendix B: The Risk Quotient Method and Levels of Concern (PDF) (2 pp, 28K)
• Appendix C: PRZM/EXAMS Input/Output files (PDF) (3 pp, 16K)
• Appendix D: Aquatic exposure modeling for vinclozolin and 3,5-DCA (PDF) (10 pp, 71K)
• Appendix E: Output from T-REX v.1.4.1 (PDF) (2 pp, 25K)
• Appendix F: List of citations accepted and rejected by ECOTOX criteria (PDF) (73 pp, 416K)
• Appendix G: Detailed spreadsheet of available ECOTOX open literature for vinclozolin (PDF) (30 pp, 942.68K)
• Appendix H: Summary of available ecotoxicity information for all vinclozolin degradates and formulated products (PDF) (69 pp, 2.01MB)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.03MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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Effects Determination for Warfarin and the Alameda Whipsnake and the Salt Marsh Harvest Mouse

Transmittal Letter (PDF) (2 pp, 47K) from Anita Pease, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (12/27/2011)

Effects Memorandum (PDF) (2 pp, 39K) from Stephanie Syslo, Environmental Fate and Effects Division to Anita Pease, Associate Director, Environmental Fate and Effects Division (12/27/2011)

Warfarin Analysis (PDF) (74 pp, 612K) Risks of Warfarin Use to the Federally Threatened Alameda Whipsnake (Masticophis lateralis euryxanthus) and the Federally Endangered Salt Marsh Harvest Mouse (Reithrodontomys raviventris) (12/272011)

• Appendix A: Verification Memo for Warfarin (PDF) (6 pp, 509K)
• Appendix B: Risk Quotient (RQ) Methods and Levels of Concern (LOCs) (PDF) (3 pp, 17K)
• Appendix C: Summary of Ecotoxicity Data for Warfarin (PDF) (4 pp, 37K)
• Appendix D: The HED Toxicity Profile for Warfarin from the 1991 Reregistration Eligibility Document (RED) (PDF) (4 pp, 189K)
• Appendix E: Summaries of Warfarin Labels (PDF) (7 pp, 72K)
• Appendix F: Bibliography of ECOTOX Open Literature for Warfarin (PDF) (18 pp, 131K)
• Appendix G: Warfarin Accepted ECOTOX Data Table (PDF) (3 pp, 80K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp,162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1.50MB)

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Effects Determination for Zinc Phosphide and the Alameda Whipsnake and Salt Marsh Harvest Mouse

Transmittal Letter (PDF) (2 pp, 59K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Gary Frazer, Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (3/31/2011)

Effects Memorandum (PDF) (2 pp, 41K) from Edward Odenkirchen, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (3/30/2011)

Zinc Phosphide Assessment (PDF) (66 pp, 650K) Risks of Zinc Phosphide Use to the Federally Listed Alameda Whipsnake and Salt Marsh Harvest Mouse (3/30/2011)

• Appendix A: Verification memo for zinc phosphide (PDF) (6 pp, 953K)
• Appendix B: Risk quotient method and levels of concern (PDF) (3 pp, 22K)
• Appendix C: Bibliography of ECOTOX open literature (PDF) (144 pp, 774K)
• Appendix D: Summary of zinc phosphide incidents (PDF) (9 pp, 31K)
• Attachment I: Supplemental Information on Standard Procedures for Threatened and Endangered Species Risk Assessments on the San Francisco Bay Species (PDF) (26 pp, 162K)
• Attachment II: Status and Life History for the San Francisco Bay Species (PDF) (88 pp, 433K)
• Attachment III: Baseline Status and Cumulative Effects for the San Francisco Bay Listed Species (PDF) (130 pp, 1,589 K)

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Effects Determination for Ziram and the California Red-legged Frog

Transmittal Letter (PDF) (2 pp, 124.25K) from Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division to Bryan Arroyo, Acting Assistant Director for Endangered Species, U.S. Fish and Wildlife Service (10/17/08)

Effects Memorandum (PDF) (2 pp, 56K) from Mah Shamim, Environmental Fate and Effects Division to Arthur-Jean B. Williams, Associate Director, Environmental Fate and Effects Division (10/16/08)

Ziram Analysis (PDF) (134 pp, 1.59MB) Risks of Ziram Use to the Federally Threatened California Red-legged Frog (10/16/08)

• Appendix A: Multi-ai Product Analysis (PDF) (3 pp, 30K)
• Appendix B: Ca PUR Data (PDF) (69 pp, 92K)
• Appendix C: Ziram Ecological Effects Data (PDF) (6 pp, 67K)
• Appendix D: Thiram Ecological Effects Data (PDF) (4 pp, 34K)
• Appendix E: RQ Method and LOCs (PDF) (3 pp, 44K)
• Appendix F: PRZM/EXAMS, AgDRIFT, and AgDISP Output (PDF) (23 pp, 150K)
• Appendix G: T-REX Example Output (PDF) (15 pp, 365K)
• Appendix H: Bibliography of ECOTOX Open Literature Rejected (PDF) (32 pp, 231K)
• Appendix I: EXCEL EXOTOX with Sub-lethal Effects (PDF) (12 pp, 1.43 MB)
• Appendix J: Human Effects Data (PDF) (4 pp, 311K)
• Appendix K: T-HERPS Example (PDF) (1 p, 58K)
• Appendix L: Spatial Analysis-Overlap Map (PDF) (1 p, 228K)
• Appendix M: Ziram and Ziram Degradate Chemical Names and Structures (PDF) (2 pp, 16K)
• Appendix N: Spatial Summary Map (PDF) (8 pp, 638K)
• Attachment 1: Life History of the California Red-legged Frog (PDF) (30 pp, 1.4MB)
• Attachment 2: Baseline Status and Cumulative Effects for the California Red-legged Frog (PDF) (51 pp, 208.85K)

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