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Index of Cleared Science Reviews Metolachlor (Pc Code 108801)

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Undated. Report. 8 Pages.
Disciplinary Summary. General Assessment - Environmental
Fate.
Document (435 KB PDF).

Undated. Report. 3 Pages.
Topical - Summary. Accumulation 162.62-11.
Document (189 KB PDF).

Undated. Report. 4 Pages.
Topical - Summary. Rotational Crop (Section 162.62-11b).
Document (260 KB PDF).

Undated. Report. 4 Pages.
Topical - Summary. Soil Metabolism 162.62-8 b and c.
Document (256 KB PDF).

Undated. Memorandum. 2 Pages.
Ronald Ney. Environmental Chemistry Section.
Meeting Between Environmental Safety and Environmental
Chemistry Sections to Discuss If Chronic Fish Studies Are
Needed on Butralin, Bux, CGA 24705, Difolatan, Hyamine 3500
and Fluchloralin.
Document (104 KB PDF).

Undated. Review. 44 Pages.
George Tompkins. Environmental Fate & Ground Water Branch.
Identification of unknown metabolites of metolachlor in
aerobic soil metabolism. Soil metabolism of metolachlor
under aerobic, aerobic/anaerobic, and sterile conditions.
MRID No. 41309801.
Pages 9-28 and 30-44 deleted - registration data.
Document (575 KB PDF).

Undated. Review. 4 Pages.
Robert Jaeger. Toxicology Branch.
100-EXP-X; Petition No. 5G1553; Acute Tox Studies
Inert Ingredient information removed from page 2.
Tox Review 000436.
Document (495 KB PDF).

Undated. DER. 28 Pages.
H.T. Craven. Efficacy and Ecological Effects Branch.
Cold Water Fish Acute 96 hr. (LC50). Rainbow trout.
[DERs for other fish species attached, dated December 1977.]
MRID 00015534.
Document (1,780 KB PDF).

Undated. DER. 6 Pages.
G. Tompkins. Environmental Fate & Groundwater Branch.
Formulation-12- Emulsifiable Concentrate (EC).
Metolachlor field dissipation - terrestrial.
Pages 6-71 removed, registrant data.
MRIDs 41335701, 41484203.
Document (237 KB PDF).

Undated. DER. 6 Pages.
George Tompkins. Environmental Fate & Groundwater Branch.
Formulation-04- Granular (G).
Metolachlor field dissipation - terrestrial.
Pages 6-72 removed, registrant data.
MRIDs 41335702, 41484204.
Document (232 KB PDF).

Undated. DER. 6 Pages.
George Tompkins. Environmental Fate & Groundwater Branch.
Formulation-12- Emulsifiable Concentrate (EC).
Metolachlor field dissipation - terrestrial.
Pages 6-80 removed, registrant data.
MRIDs 41309802, 41484201.
Document (239 KB PDF).

Undated. DER. 6 Pages.
George Tompkins. Environmental Fate & Groundwater Branch.
Formulation-04- Granular (G).
Metolachlor field dissipation - terrestrial.
Pages 6-71 removed, registrant data.
MRIDs 41309803, 41484202.
Document (235 KB PDF).

Undated. DER. 6 Pages.
George Tompkins. Environmental Fate & Groundwater Branch.
Formulation-12 Emulsifiable Concentrate (EC).
Metolachlor field dissipation - terrestrial.
Pages 6-82 removed, registrant data.
MRIDs 41309804, 41484205.
Document (237 KB PDF).

Undated. DER. 6 Pages.
George Tompkins. Environmental Fate & Groundwater Branch.
Formulation-04- Granular (G).
Metolachlor field dissipation - terrestrial.
Pages 6-72 removed, registrant data.
MRIDs 41309805, 41484206.
Document (234 KB PDF).

Undated. Memorandum. 5 Pages.
Norman Birchfield. Environmental Risk Branch.
Metolachlor Drinking Water Concentrations: First Tier Acute
and Chronic Exposure Assessments for Surface and Groundwater
DP Barcodes: D239868, D239860.
Document (166 KB PDF).

Undated. Memorandum. 27 Pages.
Kevin Costello. Environmental Risk Branch 1.
Agency Review of Registrant's (Novartis) Rebuttal Comments
to the Environmental Fate and Groundwater Branch Review
(April 22, 1997) for Metolachlor and s-Metolachlor (MRID
44303502) and the Koc Section in the Document Entitled
"Equivalency... with Respect to Ground Water Contamination".
Document (831 KB PDF).

Undated. Memorandum. 12 Pages.
Mark Corbin. Environmental Risk Branch 1.
Review of Documents Related to the Equivalency of Racemic
Metolachlor (Metolachlor) and s-Metolachlor for
Environmental Fate and Ecotoxicity.
DER's: (page 8 and page 10) Batch Equilibrium.
MRID 00078291.
Document (458 KB PDF).

October 2, 1974. Review. 5 Pages.
J.W. Akerman. Ecological Effects Branch.
Environmental Safety Review Summary - CGA-24705.
Document (331 KB PDF).

November 8, 1974. Memorandum. 3 Pages.
John Shaughnessy. Chemistry Branch.
Experimental Permit for New Chemical, CGA-24705, with
Petition 5G1553 Submitted 9-11-74 (Herbicide).
Inert ingredient information on page 2 is not included.
Document (311 KB PDF).

March 5, 1975. Review. 30 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
Environmental Chemistry Review for [CGA-24705] 2-chloro-N-
(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)
acetamide.
Document (1,104 KB PDF).

May 27, 1975. Memorandum. 3 Pages.
Laurence Chitlik. Toxicology Branch.
Petition for a Tolerance of the Herbicide CGA-24705 and
its Metabolites at 0.75 ppm in or on Corn Forage and Fodder,
at 0.05 ppm in or on Fresh Corn, Sweet Corn (Kernals Plus
Cob with Husk Removed) and Corn Grain, and at 0.02 ppm in...
Inert ingredient information on page 2 is not included.
Document (300 KB PDF).

June 24, 1975. Review. 14 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
Use on Field Corn.
Document (621 KB PDF).

September 16, 1975. Memorandum. 8 Pages.
Donald Reed. Chemistry Branch.
PP #5F1606. CGA-24705 on Corn. Evaluation of Analytical
Method and Residue Data.
Inert ingredient information on page 3 is not included.
Document (520 KB PDF).

January 8, 1976. Review. 8 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
EUP on Soybeans.
Document (340 KB PDF).

January 12, 1976. Review. 15 Pages.
Scott Fredericks. Efficacy and Ecological Effects Branch.
EUP (Environmental Safety Review).
Document (977 KB PDF).

January 24, 1976. Review. 24 Pages.
Norman Cook. Efficacy and Ecological Effects Branch.
Fish & Wildlife.
Document (1,384 KB PDF).

January 29, 1976. Memorandum. 8 Pages.
Donald Reed. Chemistry Branch.
PP #6G1708. CGA-24705 on Soybeans. Evaluation of
Analytical Method and Residue Data.
Inert ingredient information on page 4 is not included.
Document (492 KB PDF).

February 4, 1976. Review. 3 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
EUP on Corn.
Document (144 KB PDF).

April 28, 1976. Review. 6 Pages.
R.W. Felthousen. Efficacy and Ecological Effects Branch.
Experimental Use Permit (Dual/Cycle).
Document (304 KB PDF).

May 4, 1976. Memorandum. 1 Page.
Laurence Chitlik. Toxicology Branch.
PP No. 5F1606, CGA-24705 on Corn. Amendment of 3/18/76.
Document (61 KB PDF).

July 16, 1976. Memorandum. 2 Pages.
Donald Reed. Chemistry Branch.
PP #5F1606. Dual on Corn. Amendment of 6/1/76 Including
Revised Sections B and F.
Document (103 KB PDF).

July 28, 1976. Memorandum. 2 Pages.
Randall Watts. Chemistry Branch.
PP #5F1606. Method Trial for CGA-24705 and/or Metabolites
CGA-37913 and CGA-49751 in Corn and Beef Liver.
Document (93 KB PDF).

August 11, 1976. Memorandum. 2 Pages.
Donald Reed. Chemistry Branch.
Pesticide Petition #5F1606. CGA-24705 on Corn and Meat.
Results of Method Trial.
Document (233 KB PDF).

August 13, 1976. Memorandum. 2 Pages.
Donald Reed. Chemistry Branch.
PP #5F1606. Dual on Corn. Question of Metabolites
Containing the Morpholine Moiety.
Document (110 KB PDF).

October 29, 1976. Review. 4 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
Label Review.
Document (164 KB PDF).

November 3, 1976. Review. 2 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
Corn Crop Rotation Restriction.
Document (70 KB PDF).

December 3, 1976. Review. 3 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
Registration for Use in Formulation of Herbicides.
Document (143 KB PDF).

December 15, 1976. Review. 4 Pages.
Gerald Gavin. Efficacy and Ecological Effects Branch.
Registration (Technical).
Document (200 KB PDF).

January 4, 1977. Review. 1 Page.
H. Jacoby. Toxicology Branch.
100-LIT; Skin sensitization in guinea pigs.
Tox Review No. 000428.
Document (100 KB PDF).

February 25, 1977. Review. 2 Pages.
R.W. Felthousen. Efficacy and Ecological Effects Branch.
Registration Amendment.
Document (79 KB PDF).

March 23, 1977. Review. 6 Pages.
Gerald Gavin. Efficacy and Ecological Effects Branch.
Registration on Corn.
Document (275 KB PDF).

May 17, 1977. Memorandum. 2 Pages.
R.W. Felthousen. Efficacy and Ecological Effects Branch.
Meeting with Ciba-Geigy about Registration Requirements
for Dual (CGA-24705).
Document (134 KB PDF).

May 17, 1977. Memorandum. 4 Pages.
R.W. Felthousen. Efficacy and Ecological Effects Branch.
Metolachlor, Dual 6EC Chronic Fish and Predator Studies.
Document (277 KB PDF).

May 20, 1977. Letter. 2 Pages.
Jack Norton. Ciba-Geigy Corporation.
Meeting of May 17, 1977 Between H. Craven, R. Felthousen and
H. Jacoby - EPA and J. Barnett, L. Newby and J. Norton -
Ciba-Geigy.
Document (171 KB PDF).

June 10, 1977. Letter. 1 Page.
Henry Jacoby. Fungicide-Herbicide Branch.
Meeting of June 10, 1977. Re: Chronic Fish Study
with Metolachlor.
Document (63 KB PDF).

June 14, 1977. Memorandum. 10 Pages.
Donald Reed. Chemistry Branch.
PP #7F1913 Metolachlor on Soybeans. Evaluation of
Analytical Method and Residue Data.
Product impurity information on pages 2-3 is not included.
Document (551 KB PDF).

July 27, 1977. Review. 6 Pages.
Thomas O'Brien. Efficacy and Ecological Effects Branch.
Registration (Soybeans).
Document (330 KB PDF).

August 8, 1977. Review. 80 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
For Use on Soybeans.
Document (3,676 KB PDF).

September 6, 1977. Memorandum. 1 Page.
Donald Reed. Chemistry Branch.
PP #7F1913. Metolachlor (Dual) on Soybeans. Amendment of
8/1/77 Including Revised Sections B and F.
Document (120 KB PDF).

September 19, 1977. Memorandum. 2 Pages.
D. Ritter. Toxicology Branch.
PP #7F1913 - Metolachlor (Dual) in Soybeans; Amendment of
August 1, 1977.
Document (120 KB PDF).

October 27, 1977. Review. 4 Pages.
Efficacy and Ecological Effects Branch.
Aquatic Invertebrate Acute Toxicity.
Document (446 KB PDF).

October 31, 1977. Review. 6 Pages.
Efficacy and Ecological Effects Branch.
Avian Acute Oral LD50 (Mallard Ducks).
Document (902 KB PDF).

December 2, 1977. Review. 6 Pages.
Efficacy and Ecological Effects Branch.
Warmwater Fish Acute 96-Hour LC50.
Document (531 KB PDF).

December 2, 1977. Review. 1 Page.
Efficacy and Ecological Effects Branch.
Warmwater Fish Acute 96-Hour LC50 (Lepomis macrochirus).
Document (50 KB PDF).

December 2, 1977. Review. 1 Page.
Efficacy and Ecological Effects Branch.
Warmwater Fish Acute 96-Hour LC50 (Lebistes reticulatus).
Document (47 KB PDF).

December 2, 1977. Review. 1 Page.
Efficacy and Ecological Effects Branch.
Warmwater Fish Acute 96-Hour LC50 (Carassius carassius).
Document (57 KB PDF).

December 6, 1977. Review. 12 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
EUP for Corn, Alone and in Combination with Bladex, Banvel,
AAtrex, Paraquat and Roundup.
Document (458 KB PDF).

December 15, 1977. Data Eval. Rec. 3 Pages.
John Leitzke. Ecological Effects Branch.
Avian Subacute Dietary LC50 (Wild Waterfowl).
Document (143 KB PDF).

December 16, 1977. Data Eval. Rec. 8 Pages.
H.T. Craven. Efficacy and Ecological Effects Branch.
Cold Water Fish Acute 96-Hour (LC50) - Rainbow Trout.
Document (391 KB PDF).

January 1, 1978. Summary. 3 Pages.
Carroll Collier. Criteria and Evaluation Division.
Generic Standard for Metolachlor.
Summary of All Soil Metabolism Studies.
Document (222 KB PDF).

January 6, 1978. Review. 2 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
Soybeans (Special Review).
Document (96 KB PDF).

January 10, 1978. Review. 9 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
EUP for Sorghum.
Document (785 KB PDF).

January 12, 1978. Data Eval. Rec. 1 Page.
Christine Chaisson. Metabolic Effects Branch.
Mutagenicity.
Document (55 KB PDF).

January 20, 1978. Data Eval. Rec. 2 Pages.
Thomas Edwards. Metabolic Effects Branch.
Subacute Oral Toxicity.
Document (104 KB PDF).

January 20, 1978. Data Eval. Rep. 2 Pages.
Thomas Edwards. Metabolic Effects Branch.
Acute Oral Toxicity - Emetic Dose 50.
Document (66 KB PDF).

January 20, 1978. Data Eval. Rec. 2 Pages.
Thomas Edwards. Metabolic Effects Branch.
Acute Oral Toxicity Study.
Document (88 KB PDF).

January 23, 1978. Review. 7 Pages.
Carroll Collier. Criteria and Evaluation Division.
Rotational Crop Uptake Study - Corn (Metolachlor Technical).
Document (463 KB PDF).

January 23, 1978. Review. 7 Pages.
Carroll Collier. Criteria and Evaluation Division.
Aerobic Soil Metabolism.
Document (443 KB PDF).

January 23, 1978. Review. 5 Pages.
Criteria and Evaluation Division.
Rotational Crop Uptake Study - Corn (14C-Metolachlor).
Document (442 KB PDF).

January 23, 1978. Data Eval. Rec. 1 Page.
William Burnam. Metabolic Effects Branch.
Teratogenic Study.
Document (71 KB PDF).

January 23, 1978. Data Eval. Rec. 2 Pages.
Carolyn Gregorio. Metabolic Effects Branch.
Acute Dermal Toxicity.
Document (82 KB PDF).

January 23, 1978. Data Eval. Rec. 1 Page.
Carolyn Gregorio. Metabolic Effects Branch.
Primary Eye Irritation.
Document (58 KB PDF).

January 23, 1978. Data Eval. Rec. 2 Pages.
Carolyn Gregorio. Metabolic Effects Branch.
Primary Dermal Irritation.
Document (83 KB PDF).

January 23, 1978. Data Eval. Rec. 2 Pages.
Carolyn Gregorio. Metabolic Effects Branch.
Dermal Sensitization Study.
Document (108 KB PDF).

January 24, 1978. Data Eval. Rec. 2 Pages.
Carolyn Gregorio. Metabolic Effects Branch.
Dermal Sensitization Study.
Document (76 KB PDF).

January 25, 1978. Data Eval. Rec. 5 Pages.
Laurence Chitlik. Toxicology Branch.
Subacute Oral Study.
Document (380 KB PDF).

January 26, 1978. Data Eval. Rec. 2 Pages.
Christine Chaisson. Metabolic Effects Branch.
Cytotoxic or Mutagenic Effects.
Document (102 KB PDF).

January 26, 1978. Memorandum. 11 Pages.
William Burnam. Metabolic Effects Branch.
Metolachlor Evaluation.
Document (358 KB PDF).

January 31, 1978. Memorandum. 4 Pages.
S-L Chan. Toxicology Branch.
EPA #100-EUP-59, An EUP for Dual 8E and Tank Mixes.
Inert ingredient information on page 1 is not included.
Document (203 KB PDF).

February 2, 1978. Data Eval. Rec. 3 Pages.
H.T. Craven. Efficacy and Ecological Effects Branch.
Fresh Water Aquatic Invertebrate Acute 48-Hour -
Daphnia magna Straus.
Document (444 KB PDF).

February 8, 1978. Guidelines. 10 Pages.
Toxicology Branch.
Acute Toxicological Testing.
Document (678 KB PDF).

February 10, 1978. Data Eval. Rec. 5 Pages.
John Leitzke. Ecological Effects Branch.
Avian Acute Oral LD50 - Mallards.
Document (502 KB PDF).

February 13, 1978. Review. 14 Pages.
Richard Balcomb. Efficacy and Ecological Effects Branch.
EUP - Sorghum.
Document (806 KB PDF).

February 23, 1978. Memorandum. 16 Pages.
John Leitzke. Ecological Effects Branch.
Metolachlor Evaluation.
Document (498 KB PDF).

April 3, 1978. Memorandum. 21 Pages.
John Leitzke. Ecological Effects Branch.
Metolachlor - Generic Standard.
Document (1,239 KB PDF).

April 7, 1978. Efficacy Review. 4 Pages.
Richard Petrie. Efficacy and Ecological Effects Branch.
New Product Registration for Use on Corn Excluding Popcorn.
Data also Submitted in Support of Future Use on Soybeans.
Inert ingredient information on page 2 is not included.
Document (179 KB PDF).

April 8, 1978. Review. 9 Pages.
Richard Balcomb. Efficacy and Ecological Effects Branch.
Registration for Corn.
Document (477 KB PDF).

April 13, 1978. Memorandum. 16 Pages.
John Leitzke. Ecological Effects Branch.
Metolachlor - Generic Standard.
Document (779 KB PDF).

April 18, 1978. Guidelines. 10 Pages.
Toxicology Branch.
Effects Assessment - Humans and Domestic Animals.
Document (686 KB PDF).

May 3, 1978. Memorandum. 39 Pages.
Laurence Chitlik. Toxicology Branch.
Substantive Amendment to PP No. 7F1913 proposing a tolerance
of 0.1 ppm for the herbicide metolachlor and metablolites in
or on soybeans and 0.02 ppm in eggs, milk, and the meat, fat
of cattle, goats, hogs, horses, poultry and sheep.
Tox review 000434. MRID 00015396.
Document (5,580 KB PDF).

June 28, 1978. Memorandum. 3 Pages.
Carroll Collier. Chemistry Branch.
Metolachlor - Generic Standard - Rotational Crop
Restrictions.
Document (190 KB PDF).

June 30, 1978. Review. 4 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
New Product on Corn for Grain Excluding Popcorn.
Document (470 KB PDF).

July 3, 1978. Meeting Record. 1 Page.
H.T. Craven. Efficacy and Ecological Effects Branch.
Categorization of Studies and Classification of
Ciba-Geigy's Dual 8E.
Document (183 KB PDF).

July 7, 1978. Review. 2 Pages.
Ronald Ney. Efficacy and Ecological Effects Branch.
Revision of Crop Rotation Restriction.
Document (81 KB PDF).

July 8, 1978. Memorandum. 1 Page.
S.L. Chan. Toxicology Branch.
Dual 8E, EPA #100-LOT.
Document (37 KB PDF).

July 11, 1978. Letter. 3 Pages.
Jack Norton. Ciba-Geigy Corporation.
Dual 8E Herbicide - EPA File Symbol 100-LOT.
Environmental Safety Reviews for Classification.
Document (239 KB PDF).

July 20, 1978. Review. 3 Pages.
Richard Balcomb. Efficacy and Ecological Effects Branch.
Rainbow Trout 96-Hour LC50.
Document (259 KB PDF).

July 20, 1978. Review. 1 Page.
Richard Balcomb. Efficacy and Ecological Effects Branch.
Bluegill Sunfish 96-Hour LC50.
Document (86 KB PDF).

July 21, 1978. Review. 4 Pages.
Richard Balcomb. Efficacy and Ecological Effects Branch.
Avian LD50 - Mallard Duck.
Document (640 KB PDF).

July 25, 1978. Review. 2 Pages.
Richard Balcomb. Efficacy and Ecological Effects Branch.
Data Review.
Document (118 KB PDF).

July 28, 1978. Review. 1 Page.
Environmental Fate Branch.
New Product for Use on Corn for Grain Excluding Popcorn.
Document (42 KB PDF).

August 17, 1978. Review. 15 Pages.
Richard Petrie. Efficacy and Ecological Effects Branch.
Add Use on Sorghum to Both Labels.
Document (897 KB PDF).

August 23, 1978. Memorandum. 2 Pages.
David Ritter. Toxicology Branch.
Metolachlor Degradation Products. (5G1556, 5F1606, 6G1706
and 7F1913).
Document (125 KB PDF).

August 28, 1978. Letter. 5 Pages.
Jack Norton. Ciba-Geigy Corporation.
Dual 8E Herbicide - EPA Reg. No. 100-597. Request for
Acceptance of Finished Labeling to Allow Use on Corn
Grown for Grain, Excluding Popcorn.
Document (520 KB PDF).

August 29, 1978. Letter. 2 Pages.
George LaRocca. Fungicide-Herbicide Branch.
Notice of Possible Acceptance for an Application.
EPA File Symbol 100-LOT. Dual 8E Herbicide.
Document (177 KB PDF).

August 30, 1978. Memorandum. 2 Pages.
George LaRocca. Fungicide-Herbicide Branch.
Registration of Dual 8E Herbicide.
Document (166 KB PDF).

September 6, 1978. Memorandum. 4 Pages.
Donald Reed. Residue Chemistry Branch.
Metabolism of Metolachlor. Re: Tox Memo of 8/23/78.
(PP Nos. 5G1553, 5F1606, 6G1708, 7F1913, 8F2081, 8F2098).
Document (203 KB PDF).

September 15, 1978. Data Summary. 12 Pages.
Efficacy and Ecological Effects Branch.
Technical Metolachlor.
Document (526 KB PDF).

September 18, 1978. Memorandum. 16 Pages.
Laurence Chitlik. Toxicology Branch.
Addendum of 6/30/78 and 8/17/78 to PP No. 7F1913 Proposing
a Tolerance of 0.1 ppm for the Herbicide Metolachlor and its
Metabolites in or on Soybeans and 0.02 ppm in Eggs, Milk,
and the Meat, Fat of Cattle, Goats, Hogs, Horses, Poultry
and Sheep.
Document (938 KB PDF).

October 13, 1978. Review. 9 Pages.
Environmental Fate Branch.
New Use on Grain Sorghum and Tank Mix with Terbutryn.
Document (335 KB PDF).

January 11, 1979. Review. 12 Pages.
Larry Turner. Efficacy and Ecological Effects Branch.
Experimental Use Permit - Grain, Sorghum.
Document (366 KB PDF).

January 19, 1979. Review. 3 Pages.
Ronald Ney. Environmental Fate Branch.
EUP on Sorghum Grown for Grain. Total Acreage Is 50 Acres.
This Is a Prepackaged Combination Herbicide.
Document (202 KB PDF).

January 30, 1979. Review. 13 Pages.
Ronald Ney. Environmental Fate Branch.
Amendment (Reg. No. 100-583).
Document (374 KB PDF).

February 21, 1979. Memorandum. 4 Pages.
John Doherty. Toxicology Branch.
EPA No. 100-EUP-AE. Milocep Herbicide (Metolachlor-
Propazine Prepack). Caswell #188DD and #184.
Inert ingredient information on page 1 is not included.
Document (377 KB PDF).

March 1, 1979. Memorandum. 1 Page.
A. Rathman. Residue Chemistry Branch.
PP #8G2019. Metolachlor on Grain Sorghum. Request for
Extension of Temporary Tolerances.
Document (82 KB PDF).

March 7, 1979. Memorandum. 1 Page.
John Doherty. Toxicology Branch.
EPA #100-EUP-AE. Milocep, Clarification of Inert...
Inert ingredient information is not included.
Document (128 KB PDF).

March 26, 1979. Memorandum. 3 Pages.
Laurence Chitlik. Toxicology Branch.
PP #8F2098 Proposing Tolerances for Combined Residues of the
Herbicide Metolachlor and its Metabolites in or on Sorghum
Forage and Fodder and Sorghum Grain. Caswell No. 188DD.
Document (201 KB PDF).

April 2, 1979. Memorandum. 9 Pages.
Alfred Smith. Residue Chemistry Branch.
PP #8F2081. Metolachlor in Corn and Soybeans. Evaluation
of Residue Data and Analytical Method.
Page 4 is not included - inert ingredient information.
Page 5 is not included - manufacturing process information.
Document (469 KB PDF).

April 5, 1979. Memorandum. 6 Pages.
Alfred Smith. Residue Chemistry Branch.
PP #8F2098. Metolachlor in Sorghum. Evaluation of Residue
Data and Analytical Method.
Document (339 KB PDF).

April 6, 1979. Memorandum. 4 Pages.
Laurence Chitlik. Toxicology Branch.
PP #8F2081 Proposing Tolerances for the Combined Residues of
the Herbicide Metolachlor and its Metabolites, in or on Corn
Forage and Fodder, Fresh Corn Including Sweet Corn (Kernals
plus Cobs Husks Removed), Popcorn (Grain), and Soybean
Forage and Fodder.
Document (215 KB PDF).

May 30, 1979. Memorandum. 1 Page.
K. Zee. CBIB.
Analysis of Alachlor in the Presence of Metolachlor.
Document (38 KB PDF).

June 7, 1979. Review. 5 Pages.
Ronald Ney. Environmental Fate Branch.
New Product.
Document (242 KB PDF).

August 28, 1979. Review. 3 Pages.
R.W. Cook. Environmental Fate Branch.
Peanut (100-583, -597, 9F2213).
Document (102 KB PDF).

August 29, 1979. Efficacy Review. 4 Pages.
Sami Malak. Fungicide-Herbicide Branch.
Amend Use on Peanuts.
Document (170 KB PDF).

September 27, 1979. Memorandum. 2 Pages.
Robert Carsel. Environmental Fate Branch.
Metolachlor (Registration Standard Chemical) Groundwater
Contamination.
Document (127 KB PDF).

October 2, 1979. Review. 6 Pages.
Richard Felthousen. Ecological Effects Branch.
File or Reg. No 100-587.
Resubmission with data. Accession No. 236620.
Fish Complete Life Cycle; Fathead minnow. MRID 00162428.
One-Generation Reproduction Study- Bobwhite quail.
One-Generation Reproduction Study- Mallard duck.
Document (146 KB PDF).

October 22, 1979. Memorandum. 4 Pages.
John Doherty. Toxicology Branch.
EPA File No. 876-25, Banvel and Tank Mixes with Various
Other Herbicides. Caswell Nos. 295, 315, 11, 434A, 188DD.
Document (162 KB PDF).

November 1, 1979. Review. 1 Page.
Ronald Ney. Environmental Fate Branch.
Potential Leaching of Metolachlor.
Document (56 KB PDF).

November 1, 1979. Review. 5 Pages.
Ronald Ney. Environmental Fate Branch.
Potatoes.
Document (173 KB PDF).

November 16, 1979. Memorandum. 7 Pages.
Alfred Smith. Residue Chemistry Branch.
PP #s 9F2203/9F2213: Metolachlor in Potatoes and Peanuts.
Evaluation of Residue Data and Analytical Method.
Document (400 KB PDF).

January 2, 1980. Efficacy Review. 5 Pages.
Sami Malak. Fungicide-Herbicide Branch.
Amend: Tank Mixture with Dyanap on Peanuts.
Document (196 KB PDF).

January 14, 1980. Memorandum. 6 Pages.
Sherell Sterling. Fungicide-Herbicide Branch.
EPA File Symbol: 100-ANU. Milocep.
Document (461 KB PDF).

January 30, 1980. Review. 4 Pages.
Jane Talarico. Fungicide-Herbicide Branch.
Label Review - Addition of Atratol 80W or Princep 80W Plus
Dual 8E Tank Mixes for Railroad Rights-of-Way.
Document (155 KB PDF).

February 7, 1980. Memorandum. 22 Pages.
Laurence Chitlik. Toxicology Branch.
Proposed Tolerances for Residues of the Herbicide
Metolachlor; PP #8F2081, Registration #100-583;
PP #8F2098, Reg. #100-597; PP #9F2213, Reg. #100-583 and
100-597; PP #9F2203, Reg. #100-583 and 100-597, Held in
Abeyance, (Conditional Registration Proposed).
Document (1,217 KB PDF).

February 15, 1980. Efficacy Review. 3 Pages.
Sami Malak. Fungicide-Herbicide Branch.
Review of Revised Finished Label.
Document (133 KB PDF).

April 24, 1980. Memorandum. 1 Page.
Laurence Chitlik. Toxicology Branch.
Ciba-Geigy Proposal to Abort a 24-Month Mouse Study
(Initiated 9/6/79) Due to Suspected Viral Infection.
Document (60 KB PDF).

June 30, 1980. Review. 6 Pages.
Mary Gessner. Ecological Effects Branch.
Incremental Risk Assessment for Proposed Use on Ornamentals.
Document (221 KB PDF).

July 16, 1980. Review. 32 Pages.
Curtis Laird. Ecological Effects Branch.
Incremental Risk Assessment for Proposed Conditional
Registration Amendments.
Document (1,058 KB PDF).

August 11, 1980. Review. 3 Pages.
Willa Garner. Environmental Fate Branch.
Review Dual + Dyanap Tank Mix Soil Dissipation Data.
Document (115 KB PDF).

August 25, 1980. Memorandum. 10 Pages.
Sherell Sterling. Fungicide-Herbicide Branch.
EPA Reg. No. 100-597. Dual 8E.
Document (563 KB PDF).

September 10, 1980. Memorandum. 11 Pages.
Willa Garner. Environmental Fate Branch.
Estimated Environmental Concentration (EEC) and Fate Data
for Metolachlor (EPA Reg. No. 100-597) Dual 8E.
Document (288 KB PDF).

September 16, 1980. Memorandum. 3 Pages.
H. Craven. Ecological Effects Branch.
EEB Comments on Drafts of Registration Standards for
Metolachlor and Aspon.
Document (162 KB PDF).

September 19, 1980. Review. 10 Pages.
Russ Farringer. Ecological Effects Branch.
Conditional Registration for Tank Mix Use on Railroad
Rights-of-Way.
Document (423 KB PDF).

October 27, 1980. Review. 9 Pages.
John Leitzke. Ecological Effects Branch.
Conditional Registration of Sunflower & Flax Uses.
Document (344 KB PDF).

November 6, 1980. Memorandum. 2 Pages.
Sherell Sterling. Fungicide-Herbicide Branch.
Dual 8E Herbicide. EPA Registration No. 100-597.
Document (87 KB PDF).

December 16, 1980. Review. 3 Pages.
J.C. Reinert. Environmental Fate Branch.
Use Pattern for EEC Calculations: Corn/Soybeans.
Document (165 KB PDF).

December 16, 1980. Memorandum. 2 Pages.
H. Craven. Ecological Effects Branch.
Response to Ciba-Geigy's Request for a Reevaluation of
EPA's Requirement for Field Monitoring of Metolachlor.
Document (144 KB PDF).

January 1, 1981. Memorandum. 2 Pages.
Bill Burnam. Toxiciology Branch.
Meeting on Metolachlor Toxicology Reviews
Files 100-587, 100-597.
Document (86 KB PDF).

January 26, 1981. Memorandum. 8 Pages.
K.H. Arne. Residue Chemistry Branch.
PP #0F2417 Metolachlor on Flax. Evaluation of Analytical
Method and Residue Data.
Product impurity information on page 2 is not included.
Document (499 KB PDF).

February 4, 1981. Memorandum. 7 Pages.
K.H. Arne. Residue Chemistry Branch.
PP #0F2416 Metolachlor on Sunflowers. Evaluation of
Analytical Method and Residue Data.
Product impurity information on page 2 is not included.
Document (434 KB PDF).

March 25, 1981. Memorandum. 1 Page.
K.H. Arne. Residue Chemistry Branch.
PP #0F2416. Metolachlor on Sunflowers. Amendment of 3/2/81.
Document (54 KB PDF).

April 14, 1981. Review. 4 Pages.
Mary Gessner. Ecological Effects Branch.
Submission of Mallard Duck Acute Oral LD50 Identified as
Data Gap in Registration Standard.
Document (143 KB PDF).

May 4, 1981. Review. 8 Pages.
Daniel Rieder. Ecological Effects Branch.
Proposed Conditional Registration of Seed and Pod Vegetables.
Document (310 KB PDF).

June 18, 1981. Memorandum. 8 Pages.
Alfred Smith. Residue Chemistry Branch.
PP #1F2495. Metolachlor in Seed and Pod Vegetables.
Evaluation of Analytical Method and Residue Data.
Document (486 KB PDF).

June 18, 1981. Review. 12 Pages.
Willa Garner. Environmental Fate Branch.
Amended Registration for Use on Seed & Pod Vegetables.
Document (421 KB PDF).

July 2, 1981. Memorandum. 7 Pages.
Alfred Smith. Residue Chemistry Branch.
PP #1F2506. Metolachlor in Cottonseed. Evaluation of
Residue Data and Analytical Method.
Document (362 KB PDF).

July 17, 1981. Memorandum. 7 Pages.
Alfred Smith. Residue Chemistry Branch.
PP #1F2521. Metolachlor on Corn. Evaluation of Analytical
Method and Residue Data.
Document (405 KB PDF).

July 28, 1981. Memorandum. 4 Pages.
Gary Burin. Toxicology Branch.
Draft Summary of January 27, 1981 Metolachlor Meeting with
Ciba-Geigy.
Document (183 KB PDF).

August 3, 1981. Review. 2 Pages.
Willa Garner. Environmental Fate Branch.
Fill Data Gaps in the Registration Standard.
Document (58 KB PDF).

September 9, 1981. Memorandum. 4 Pages.
Alfred Smith. Residue Chemistry Branch.
PP #9F2203. Metolachlor in Potatoes. Amendment of 7/14/81.
Document (246 KB PDF).

October 5, 1981. Memorandum. 10 Pages.
Gary Burin. Toxicology Branch.
Proposed Tolerances for Metolachlor on Sunflowers (0.3 ppm),
Sunflower Meal and Hulls (0.6 ppm), PP#0F2416; Seed and Pod
Vegetables (0.3 ppm), PP #1F2495; Sweet Corn and Popcorn
(0.1 ppm), PP #1F2521; Cottonseed (0.1 ppm), 1F2506;
Flaxseed (0.2 ppm), Flax Straw (0.6 ppm), Flaxseed Meal..
Document (510 KB PDF).

October 25, 1981. Memorandum. 1 Page.
Alfred Smith. Residue Chemistry Branch.
PP #9F2203. Metolachlor on Potatoes. Amendment of 9/28/81.
Document (50 KB PDF).

November 10, 1981. Review. 2 Pages.
Russel Farringer. Ecological Effects Branch.
Registrant Request for Label Revision.
Document (107 KB PDF).

November 10, 1981. Review. 2 Pages.
Russel Farringer. Ecological Effects Branch.
Submission of Additional Data to Support Previous Request(s)
by Registrant.
Document (67 KB PDF).

November 12, 1981. Review. 2 Pages.
Willa Garner. Environmental Fate Branch.
Verify Calculation on EEC in H2O from Railroad Tracks
Right-of-Way Use.
Document (53 KB PDF).

November 18, 1981. Memorandum. 3 Pages.
Gary Burin. Toxicology Branch.
Response to Ciba-Geigy Comments re Metolachlor Chronic Rat
Feeding Study.
Document (168 KB PDF).

January 19, 1982. Memorandum. 2 Pages.
Deloris Graham. Fungicide-Herbicide Branch.
EPA Registration Number 100-597 (1), Dual 8E.
EPA Registration Number 100-610 (2), Ontrack 8E.
Document (76 KB PDF).

January 22, 1982. Review. 14 Pages.
Willa Garner. Environmental Fate Branch.
Review Exposure Study and Exposure Estimates - Use on Flax,
Sunflower, Cotton, Corn, Seed Pod, Potatoes.
Document (371 KB PDF).

January 22, 1982. Memorandum. 4 Pages.
Gary Burin. Toxicology Branch.
Review of Data for Metolachlor, 100-597.
Acc. No. 345957-61
Tox review 001374.
Document (208 KB PDF).

January 29, 1982. Memorandum. 4 Pages.
Gary Burin. Toxicology Branch.
Addendum to Metolachlor Memo of October 7, 1981;
Risk Assessment for Additional New Uses (Including Potatoes,
PP #9F2203) & 100-597. Tox Chem. #188DD.
Document (242 KB PDF).

February 8, 1982. Memorandum. 4 Pages.
Gary Burin. Toxicology Branch.
Proposed Tolerance for Metolachlor on Safflower Seed
(0.1 ppm), PP #2F2601.
Document (198 KB PDF).

February 12, 1982. Memorandum. 10 Pages.
M. Nelson. Residue Chemistry Branch.
PP #2F2601. Metolachlor in or on Safflower Seed.
Evaluation of Analytical Methodology and Residue Data.
EPA Reg. No. 100-597. Request to Amend the Registration of
Dual 8E Herbicide to Permit its Use on Safflowers.
Document (544 KB PDF).

February 22, 1982. Memorandum. 14 Pages.
M. Nelson. Residue Chemistry Branch.
PP #1E2563. Metolachlor in Rotational Grain Crop Forage
and Fodder. Evaluation of Analytical Methodology and
Residue Data.
Inert ingredient information on page 4 is not included.
Document (889 KB PDF).

September 9, 1982. Memorandum. 4 Pages.
Edward Zager. Residue Chemistry Branch.
Metolachlor on Corn and Potatoes.
Document (239 KB PDF).

January 27, 1983. Memorandum. 3 Pages.
Gary Burin. Toxicology Branch.
Preliminary Report on Repeat Chronic Rat Study
of Metolachlor.
Document (186 KB PDF).

December 14, 1983. Memorandum. 6 Pages.
K.H. Arne. Residue Chemistry Branch.
PP #3F2951. Metolachlor on Sorghum Forage and Fodder.
Evaluation of Analytical Methods and Residue Data.
Accession Numbers 071904 and 071905.
Document (375 KB PDF).

December 14, 1983. Memorandum. 15 Pages.
Gary Burin. Toxicology Branch.
Review of Chronic Rat Study of Metolachlor.
Accession Nos. 250369-250375. Caswell #188DD.
Tox Review 003435.
Document (855 KB PDF).

December 15, 1983. Memorandum. 6 Pages.
K.H. Arne. Residue Chemistry Branch.
PP #3F2957. Metolachlor on Stone Fruits. Evaluation of
Analytical Methods and Residue Data.
Accession Numbers 071926 and 071927.
Document (347 KB PDF).

January 9, 1984. Memorandum. 6 Pages.
K.H. Arne. Residue Chemistry Branch.
PP #3F2958. Metolachlor on Tree Nuts. Evaluation of
Analytical Method and Residue Data.
Accession Numbers 071928 and 071929.
Document (362 KB PDF).

January 26, 1984. Memorandum. 2 Pages.
Alfred Smith. Residue Chemistry Branch.
PP #3F2957. Metolachlor on Stone Fruits.
Amendment of 1/3/84.
Document (134 KB PDF).

February 13, 1984. Memorandum. 2 Pages.
Gary Burin. Toxicology Branch.
Proposed Metolachlor Lab Audit and Memo of January 26, 1984
from Dexter Goldman.
Document (146 KB PDF).
Attachment(s) following:

January 26, 1984. Memorandum. 2 Pages.
Dexter Goldman. Laboratory Data Integrity Program, EPA.
Proposed Audits at Hazleton (Raltech) on Metolachlor.
Document (133 KB PDF).

December 14, 1983. Memorandum. 6 Pages.
Gary Burin. Toxicology Branch.
Review of Chronic Rat Study of Metolachlor.
Accession Nos. 250369-250375.
Document (561 KB PDF).

December 9, 1982. Letter. 6 Pages.
Gene Holt. Ciba-Geigy Corporation.
Metolachlor Herbicide. Risk Assessment Based on the
Repeat 2-Year Rat Study.
Document (303 KB PDF).

November 2, 1983. Letter. 1 Page.
Gene Holt. Ciba-Geigy Corporation.
Metolachlor Herbicide. Repeat 2-Year Rat Chronic Feeding
Study. Explanation of Change in Diagnoses of Liver
Pathology Between Preliminary Report and Final Report.
Document (58 KB PDF).

November 1, 1983. Letter. 2 Pages.
Merrill Tisdel. Hazleton Laboratories America, Inc.
Two-Year Toxicity and Oncogenicity Study with Metolachlor
Technical in Albino Rats.
Document (80 KB PDF).

*End of attachments*

February 14, 1984. Memorandum. 2 Pages.
K.H. Arne. Residue Chemistry Branch.
PP #3F2958. Metolachlor on Tree Nuts. Amendment of 2/1/84.
Document (67 KB PDF).

March 6, 1984. Memorandum. 6 Pages.
R.W. Cook. Residue Chemistry Branch.
EPA Accession Number 072161. EPA Accession Number 072162.
PP #4F3000. Metolachlor in or on Apples.
Evaluation of Analytical Method and Residue Data.
Document (374 KB PDF).

August 3, 1984. Memorandum. 29 Pages.
Stephen Saunders. Toxicology Branch.
Metolachlor Mouse Oncogenicity Study; EPA Reg. No. 100-587;
Accession Nos. 248722-25; Caswell #188DD.
Pages 12-20 removed, registrant data.
Tox review 003885.
Document (1,232 KB PDF).

September 20, 1984. Memorandum. 2 Pages.
Gary Burin. Toxicology Branch.
Review of Laboratory Audit Report for Metolachlor Chronic
Rat Study. Tox Chem. #188DD.
Tox review 004199.
Document (129 KB PDF).

September 25, 1984. Memorandum. 4 Pages.
Alvaro Yamhure. Benefits and Use Division.
Review of Partial for Cause Laboratory Audit.
Hazleton (Raltech), Madison, WI. May 1984.
Document (251 KB PDF).

January 8, 1985. Memorandum. 3 Pages.
K.H. Arne. Residue Chemistry Branch.
Metolachlor on Tree Nuts. Amendment of 10/23/84.
Document (136 KB PDF).

January 8, 1985. Memorandum. 3 Pages.
Gary Burin. Toxicology Branch.
Recommendation for Revision of Metolachlor Risk Assessment,
Acc. No. 255592, Caswell #188DD
Tox review 004200.
Document (221 KB PDF).

April 24, 1985. Memorandum. 7 Pages.
Stephen Saunders. Toxicology Branch.
IR-4 Minor Use Petition for Metolachlor on Chili Peppers.
Petition #5E3236.
Document (397 KB PDF).

April 26, 1985. Memorandum. 8 Pages.
Michael Firestone. Residue Chemistry Branch.
PP #5E3236 (RCB Number 878). Metolachlor on Chili Peppers.
Evaluation of Analytical Methods and Residue Data
(Accession Number 073472).
Document (405 KB PDF).

June 6, 1985. Memorandum. 3 Pages.
Michael Firestone. Residue Chemistry Branch.
PP #5E3236 (RCB #1060). Metolachlor on Chili Peppers.
Evaluation of Amendment Dated May 16, 1985
(No Accession Number).
Document (122 KB PDF).

June 17, 1985. Review. 2 Pages.
Joseph Reinert. Exposure Assessment Branch.
Protocol Review.
Document (42 KB PDF).

August 23, 1985. Memorundum. 7 Pages.
Reto Engler. Toxicology Branch.
Peer Review of Metolachlor.
Tox Review 007809.
Document (409 KB PDF).

October 21, 1985. Memorandum. 24 Pages.
Stephen Saunders. Toxicology Branch.
Additional Toxicology Data for Metolachlor. EPA ID No.
100-587, Tox PN #44; Caswell #188DD.
Pages 10-13, 16-18, 21-24 removed, registrant data.
Tox review 004725.
Document (765 KB PDF).

April 15, 1986. Memorandum. 8 Pages.
Michael Firestone. Residue Chemistry Branch.
PP #6E3378. [RCB Number 701] - Metolachlor on Tobasco
Peppers - Evaluation of Analytical Methods and Residue Data
(Accession Number 261422).
Document (398 KB PDF).

July 14, 1986. Final Report. 88 Pages.
Dynamac Corporation for EPA/OPP.
METOLACHLOR Final Report.
Final Registration Standard and Tolerance Reassessment.
Studies (DERs) 1 to 16; 1. Photodegradation in water ...
15. Accumulation of metolachlor in fish 16. Monitoring study.
Document (1,983 KB PDF).

March 18, 1987. Memorandum. 5 Pages.
Maxie Jo Nelson. Residue Chemistry Branch.
EPA Reg. No. 100-587. Metolachlor (CGA-24705).
Evaluation of a Protocol for a Frozen Storage Stability
Study in Animal Products. RCB No. 2028. Accession No.:
None.
Document (225 KB PDF).

April 15, 1987. Memorandum. 4 Pages.
Michael Metzger. Residue Chemistry Branch.
87-WI-04. Section 18 for Metolachlor (Dual 8E, EPA Reg.
No. 100-597) on Dry Bulb Onions. No Acc. Number / No MRID
Number. RCB #2132.
Document (240 KB PDF).

April 27, 1987. Memorandum. 6 Pages.
Deloris Graham. Fungicide-Herbicide Branch.
EPA File Symbol 10182-RRO. Prelude Herbicide
Tox review 006189.
Document (289 KB PDF).

May 6, 1987. Memorandum. 4 Pages.
Francis Suhre. Residue Chemistry Branch.
CA-860072: Amendment to Review Dated 3-13-87;
Section 24(c) Registration for Metolachlor on Lupine.
No Accession No., No RCB No.
Document (201 KB PDF).

July 2, 1987. Review. 19 Pages.
Carolyn Offutt. Exposure Assessment Branch.
EAB Review of Alachlor & Alternatives: Atrazine, Cyanazine,
Linuron, Metribuzin, Metolachlor, Simazine, Trifluralin,
Butylate (Ground Water Monitoring Only). Review of 1985
Surface and Ground Water Screening Results for Selected
Herbicides for PD4.
Document (1,206 KB PDF).

September 30, 1987. Review. 11 Pages.
Carolyn Offutt. Exposure Assessment Branch.
Reg./File # : 100-587.
Review of two protocols - one for ground
water monitoring and one for surface water monitoring.
Page 8 removed, registrant data.
Document (315 KB PDF).

October 6, 1987. Review. 17 Pages.
Carolyn Offutt. Exposure Assessment Branch.
EAB Review of Alachlor. Submission of Final 1986 Surface
Water Monitoring Results for Alachlor, Atrazine, Cyanazine,
Metolachlor, and Simazine.
Page 17 removed, registration data.
Document (840 KB PDF).

October 6, 1987. Memorandum. 10 Pages.
Gobind Makhijani. Residue Chemistry Branch.
Ciba-Geigy Corporation's Response to the Product Chemistry
Chapter - Metolachlor Registration Standard.
MRID Nos. 402766-00, -01, & -02.
Manufacturing Process, Inert Ingredients, & Description of
Quality Control Process info removed from pages 8-10.
Document (307 KB PDF).

November 9, 1987. Memorandum. 14 Pages.
Stephen Saunders. Toxicology Branch.
Company Response to EPA Reviews of Metolachlor;
Miscellaneous Data. Tox PN #1878; Caswell #188DD.
Accession Nos. 262712, 262713.
Pages 9-11 removed, registrant data.
Tox review 006444.
Document (662 KB PDF).

April 20, 1988. Memorandum. 4 Pages.
Mary Waller. Fungicide-Herbicide Branch.
EPA Registration Number 10182-119. Prelude Herbicide.
Document (202 KB PDF).

May 19, 1988. Memorandum. 10 Pages.
Martin Kovacs. Residue Chemistry Branch.
PP #8E3616 (RCB No. 3588) - Metolachlor on Bell Peppers -
Evaluation of Analytical Method and Residue Data
(MRID Nos. 405573-00 and 405573-01).
Document (593 KB PDF).

August 11, 1988. Memorandum. 10 Pages.
Stephanie Willett. Residue Chemistry Branch.
Petition Review for Establishment of Tolerance(s).
Evaluation of Analytical Method(s) and Residue Data.
Petition No. 8E3637. RCB No. 3966.
Metolachlor - 1.0 ppm on Cabbage.
Document (469 KB PDF).

March 24, 1989. Memorandum. 8 Pages.
Martin Kovacs. Dietary Exposure Branch.
PP #8E3616. (DEB No. 4561) - Metolachlor on Bell Peppers -
Evaluation of Amendment Dated October 3, 1988
(No Accession Number).
Document (487 KB PDF).

April 3, 1989. Memorandum. 23 Pages.
Francis Griffith. Dietary Exposure Branch.
PP#7E3489 - CGA-154281
Exemption from the Requirement of a Tolerance.
Evaluation of October 25, 1988, Amendment.
(MRID Nos. 408698-00 through -09) [DEB No. 4660]
(HED Project No. 9-0379).
Document (1,875 KB PDF).

May 15, 1989. Memorandum. 2 Pages.
Maxie Jo Nelson. Dietary Exposure Branch.
PP #9E3708. Metolachlor (Dual) in or on Cubanelle Peppers.
Amendment of March 20, 1989. DEB #5185. HED #9-1227.
MRID #N/A.
Document (107 KB PDF).

June 14, 1989. Memorandum. 28 Pages.
Robert Quick. Dietary Exposure Branch.
I.D. No. 100-587. Metolachlor Registration Standard
Follow-Up. Ciba-Geigy Submission Dated January 27, 1989.
MRID Nos. 40980702 to 40980708 and 40766601 and 40766602.
DEB #4931.
Document (1,693 KB PDF).

July 13, 1989. Memorandum. 5 Pages.
Martin Kovacs. Dietary Exposure Branch.
PP #8E3616 (DEB No. 5184) - Metolachlor on Bell Peppers.
Evaluation of Amendment Dated February 23, 1989.
(Information Regarding Bell Pepper Production in Texas).
No Accession Number.
Document (311 KB PDF).

September 15, 1989. Review. 3 Pages.
Paul Mastradone. Environmental Fate & Ground Water Branch.
Reg. No. 100-587. Dual.
Request for Extension Until 1 December 1989 for Submission
of Field Dissipation Studies.
Document (116 KB PDF).
Attachment(s) following:

March 1, 1989. Letter. 4 Pages.
D. Larry Merricks. Ciba-Geigy Corporation.
Metolachlor Registration Standard Requirement for Field
Dissipation Studies. Request for Extension.
Document (158 KB PDF).

*End of attachments*

November 30, 1989. Memorandum. 75 Pages.
Paul Mastradone. Environmental Fate & Groundwater Branch.
Review results of the aerobic and anaerobic metabolism
studies, and fish accumulation studies submitted
in accordance with the metolachlor registration standard.
Pages 9-38, 44-75 removed, registrant data.
MRID 41185701, 41154201.
Document (898 KB PDF).

July 13, 1990. Memorandum. 9 Pages.
Christine Olinger. Dietary Exposure Branch.
Amended Registration for Dual and Medal (Metolachlor) Use
on Cotton; EPA Reg. Nos. 100-597, 100-673, 100-688;
MRID Nos. 414255-01 through -03; DEB Nos. 6708-6710.
Document (638 KB PDF).

October 23, 1990. Memorandum. 3 Pages.
Francis Griffith. Chemistry Branch.
PP #0E3882 - Metolachlor (Dual) on Celery.
Review of the September 26, 1990 Amendment.
(No MRID Number) [DEB No. 7080] (HED Project No. 0-1677).
Document (132 KB PDF).

April 17, 1991. SAP Package. 77 Pages.
Gary Burin. Toxicology Branch.
Second Peer Review of Metolachlor.
Document (4,197 KB PDF).

May 31, 1991. Memorandum. 13 Pages.
James Kariya. Science Analysis and Coordination Branch.
Estimate of upper-bound to carcinogenic risk from
metolachlor. Related to PP0E3854, rotational crop tomatoes,
and associated draft Federal Register notice.
Document (763 KB PDF).

October 2, 1991. Memorandum. 4 Pages.
Robert Jaeger. FIFRA Scientific Advisory Panel.
Transmittal of the Final FIFRA Scientific Advisory Panel
Report on the September 18, 1991, Meeting.
Document (201 KB PDF).

November 12, 1991. Review. 4 Pages.
Elizabeth Behl. Environmental Fate & Groundwater Branch.
Reg./File # : 100-587.
Review of the detections of metolachlor in
Wisconsin and South Dakota. 6(a)(2).
Document (115 KB PDF).

April 16, 1992. Memorandum. 6 Pages.
Bonnie Cropp-Kohlligan. Chemistry Branch.
Soybean Hull Chromatograms and Storage Stability Data
Submissions in Response to the Metolachlor Final
Registration Standard and Tolerance Reassessment (FRSTR)
follow-up (6/14/89). MRID Nos. 41506501 and 41425502.
Document (390 KB PDF).

May 20, 1992. Memorandum. 13 Pages.
Stephen Dapson. Toxicology Branch.
Rat teratology study with metolachlor.
EPA Pesticide Chemical Code 108801, Toxicology Chemical
Code 188DD, HED Project No. 2-1738.
Page 13-27 removed, registrant data.
MRID 00151941.
Document (353 KB PDF).

August 6, 1992. Memorandum. 7 Pages.
Stephen Funk. Chemistry Branch.
Reregistration of Metolachlor. Storage Stability of
Metolachlor Metabolites in Animal Commodities.
MRID No. 41506401.
Document (336 KB PDF).

December 9, 1992. Review. 6 Pages.
Elizabeth Behl. Environmental Fate & Groundwater Branch.
Acknowledge receipt 6(a)2 data - Request full report.
DP Barcode: 175788.
MRID 42227901.
Document (160 KB PDF).

January 11, 1993. Review. 15 Pages.
Henry Jacoby. Environmental Fate & Groundwater Branch.
Review of Large-Scale Retrospective Ground-Water Study.
Document (1,514 KB PDF).

March 1, 1993. Memorandum. 86 Pages.
Henry Jacoby. Environmental Fate & Groundwater Branch.
Metolachlor RED Candidate.
Pages 17-23, 27-37, 41-52, 56-68 and 72-86
removed, registrant data. MRIDs 40430201, 40430202,
40494604, 40494605 & 40494606.
Document (2,064 KB PDF).

March 12, 1993. DER. 17 Pages.
Louis Rifici. KBN Engineering for EEB.
Study Type: 72-4. Freshwater Invertebrate Flow-Through
Chronic Toxicity Test. Species Tested: Daphnia magna.
Pages 10-14 removed, registrant data.
MRID 40028829.
Document (329 KB PDF).

March 17, 1993. Memorandum. 65 Pages.
Stephen Dapson. Toxicology Branch.
Metolachlor: Rereview of chronic dog study, 2-generation
reproduction study, and rabbit developmental toxicity
(teratology) study. MRID Nos. 40980701, 41164501, 42218601,
42218602, 00080897, and 00041283.
Tox review 010088. Pgs 21-25, 36-45, 50-54 removed, registrant data.
Document (2,409 KB PDF).

April 15, 1993. 23 Pages.
Metolachlor. Attachment 1.
Chemical Code 108801.
(CBRS No. 10305, 10787,; DP Barcode D181006, D183896).
Registrant's Response to Residue Chemistry Requirements.
Task 3.
Document (1,084 KB PDF).
Attachment(s) following:

April 15, 1993. Memorandum.
Francis Suhre. Chemistry Branch.
Metolachlor (108801) Ciba Geigy Responses to Residue
Chemistry Reregistration Requirements Storage Stability Data
and Storage Information.
MRID Nos. 42384401, 42502901.

*End of attachments*

May 12, 1993. Memorandum. 40 Pages.
Stephen Dapson. Toxicology Branch II.
METOLACHLOR: Rat chronic toxicity/carcinogenicity study and
subchronic dog study - rereview of data.
Tox Review No. 010251.
Registration Data information removed from pages 16-24 &
34-40.
Document (1,174 KB PDF).

May 12, 1993. Memorandum. 25 Pages.
Susan Hummel. Chemistry Branch.
Metolachlor (108801) Ciba Geigy responses to residue
Chemistry Reregistration Requirements.
Plant Metabolism Study in Potatoes (and Corn).
Use of Enforcement method for metabolism study samples.
MRID 42644301, 42652101 to -11. Pages 18-25 removed, RD.
Document (1,022 KB PDF).

July 21, 1993. Memorandum. 20 Pages.
Stephen Dapson. Toxicology Branch.
Carcinogenicity Peer Review of Metolachlor (3rd).
Document (1,103 KB PDF).

August 2, 1993. Review. 4 Pages.
David Wells. Environmental Fate & Groundwater Branch.
Ciba-Geigy Corporation.
Review rebuttal to EFGWB review of large-scale retrospective
ground-water study. 166-2.
MRID 427491-01.
Document (195 KB PDF).

August 2, 1993. Review. 3 Pages.
David Wells. Environmental Fate & Groundwater Branch.
Response to detections of atrazine and metolachlor
at a site near Elkhorn, Wisconsin.
MRID 42782301.
Document (98 KB PDF).

August 25, 1993. Memorandum. 8 Pages.
George Ghali. Health Effects Division.
RfD/Peer Review Report of Metolachlor.
Document (519 KB PDF).

December 6, 1993. Review. 3 Pages.
Elizabeth Behl. Environmental Fate & Groundwater Branch.
Ciba-Geigy Corporation.
Response to prepatory submission for December 9
CIBA/EFGWB meeting. MRID 427491-01.
Document (116 KB PDF).

March 11, 1994. DER. 10 Pages.
Conci Rodriquez. Ecological Effects Branch.
72-4. Life-Cycle (21-day Renewal) Chronic Toxicity Test.
Species Tested: Daphnia magna.
Pages 7-10 removed, registant data.
MRID 43044603.
Document (202 KB PDF).

March 14, 1994. Review. 3 Pages.
Marcia van Gemert. Toxicology Branch.
Toxicology Endpoint Selection Document for Metolachlor.
Document (138 KB PDF).

March 21, 1994. Memorandum. 25 Pages.
Anthony Maciorowski. Ecological Effects Branch.
1. RED for Metolachlor
2. Response to CIBA-GEIGY in relation to avian reproduction
studies and other aquatic studies
3. DER's for aquatic studies
4. Data Requirement Table.
Document (1,351 KB PDF).

May 4, 1994. Memorandum. 12 Pages.
Estella Waldman. Environmental Fate & Groundwater Branch.
Ground Water Assessment of Metolachlor for Registration
Eligibility Document.
Document (289 KB PDF).

May 19, 1994. Memorandum. 2 Pages.
Kevin Costello. Environmental Fate & Groundwater Branch.
Review of Metolachlor Preliminary Characterization Data
(groundwater study sites).
Document (40 KB PDF).

August 10, 1994. Note. 2 Pages.
Environmental Fate & Groundwater Branch.
Metolachlor Risk Mitigation for EFED
EFGWB Recommendations...
Ciba-Geigy's response to EFGWB's Recommendations...
Document (84 KB PDF).

August 15, 1994. Memorandum. 2 Pages.
Henry Jacoby. Environmental Fate & Groundwater Branch.
Recomendations for Metolachlor.
This note is being written to explain the position of EFGWB
regarding metolachlor and ground water.
Document (58 KB PDF).

September 1, 1994. Memorandum. 13 Pages.
David Miller. Chemistry Branch.
PP# 3F04251. Metolachlor in or on grasses grown for seed.
Evaluation of residue data and analytical methods.
MRIDs 428857-01 to -07.
Document (839 KB PDF).

September 16, 1994. Memorandum. 10 Pages.
David Miller. Chemistry Branch.
Metolachlor Addendum to RED. Magnitude of Residue in Legumes
(Succulent and Dried)... MRID No.: 432957-01.
Document (490 KB PDF).

September 29, 1994. Memorandum. 15 Pages.
Susan Hummel. Chemistry Branch.
Metolachlor (108801) Addendum to RED
Partial Replacement of Craven Data on peanuts
MRID No. 43263101.
Document (898 KB PDF).

October 4, 1994. Memorandum. 74 Pages.
Susan Hummel. Chemistry Branch.
Metolachlor (108801) Addendum to RED.
Replacement of Craven Data on rotational alfalfa and clover.
MRID Nos. 43367101.
Attached: Metolachlor Task 2B; Acurex Environmental Corp.
Document (4,143 KB PDF).

October 6, 1994. Review. 11 Pages.
Elizabeth Behl. Environmental Fate & Groundwater Branch.
Comment on ground-water risk mitigation measures proposed
for metolachlor by Ciba.
Document (731 KB PDF).

October 12, 1994. Memorandum. 27 Pages.
Susan Hummel. Chemistry Branch.
Metolachlor (108801) Addendum to RED, Reregistration
Case No. 0001 Confined Rotational Crop Data (GLN 165-1)
[MRID No. 41470601; CB No. 14435; DPBarcode D207842].
Pages 8-27 removed, registrant data.
Document (258 KB PDF).

February 14, 1995. Review. 3 Pages.
Betsy Behl. Environmental Fate & Groundwater Branch.
Statistical Summary of Metolachlor Detections
in Ground Water - 1994 Update.
Document (91 KB PDF).

February 16, 1995. Review. 5 Pages.
Elizabeth Behl. Environmental Fate & Groundwater Branch.
Ciba-Geigy Corporation.
Review protocol for prospective ground-water study. 166-1.
Document (370 KB PDF).

March 2, 1995. Review. 14 Pages.
Anthony Maciorowski. Ecological Effects Branch.
Metolachlor.
Aquatic Plant Growth Data (123-2).
MRID 43541301, -02.
Document (343 KB PDF).

March 6, 1995. Review. 88 Pages.
William Erickson. Ecological Effects Branch.
Review guideline studies 72-3a,b,c; 123-1a,b; 123-2.
[Metolachlor: review of toxicity studies.]
MRIDs 43487101 to -08. 43497301 not reviewed/ not required.
Document (17,494 KB PDF).

May 15, 1995. Memorandum. 4 Pages.
Kevin Costello. Environmental Fate & Groundwater Branch.
Action Items Regarding Metolachlor Field-Scale Ground-
Water Monitoring Study.
Document (123 KB PDF).

October 31, 1995. Review. 3 Pages.
Elizabeth Behl. Environmental Fate & Groundwater Branch.
Ciba-Geigy Corporation.
Review of quarterly report for metolachlor small-scale
prospective monitoring study. 166-1.
Document (184 KB PDF).

February 28, 1996. Review. 3 Pages.
Elizabeth Behl. Environmental Fate & Groundwater Branch.
Review of quarterly report for metolachlor small-scale
prospective monitoring study.
Document (93 KB PDF).

March 13, 1996. Memorandum. 2 Pages.
Kevin Costello. Environmental Fate & Groundwater Branch.
Action Items Regarding Metolachlor Field-Scale Ground-
Water Monitoring Studies.
Document (98 KB PDF).

April 24, 1996. Memorandum. 2 Pages.
Kevin Costello. Environmental Fate & Groundwater Branch.
Review of Detailed Site Characterization for Minnesota
Prospective Ground-Water Monitoring Study for Metolachlor.
DP Barcode: 225164.
Document (53 KB PDF).

May 20, 1996. Memorandum. 3 Pages.
Anthony Maciorowski. Ecological Effects Branch.
Review of Daphnia magna Life-Cycle Test
(Sha.# 108801; DP Barcode D219942; ID#108801)
MRID 43802601.
Document (180 KB PDF).

February 25, 1997. Memorandum. 27 Pages.
Susan Hummel. Chemistry Branch.
Metolachlor (108801) Reregistration Case No. 0001 Craven
Replacement Data for Peanuts treated at layby, Safflower,
including processed fractions; Storage stability data
on tomato, potato, and soy processed fractions.
MRID No. 43881701, -02, 03, 43944601.
Document (1,607 KB PDF).
Attachment(s) following:

February 24, 1997.
Dynamac Corporation.
Metolachlor
Registrant's Response to Residue Chemistry Data Requirements.

*End of attachments*

March 18, 1997. Letter. 1 Page.
Barbara Briscoe. Reregistration Branch.
Review of Product Chemistry Data for Metolachlor
Reregistration Eligibility Decision (RED), EPA Reg No.
100-587 Metolachlor Technical.
Document (40 KB PDF).

April 3, 1997. Review. 3 Pages.
Elizabeth Behl. Environmental Fate & Groundwater Branch.
Ciba-Geigy Corporation.
Review of quarterly report for metolachlor small-scale
prospective monitoring study. 166-1.
Document (165 KB PDF).

April 3, 1997. Review. 3 Pages.
Elizabeth Behl. Environmental Fate & Groundwater Branch.
Ciba-Geigy Corporation.
Review of quarterly report for metolachlor small-scale
prospective monitoring study. 166-1.
Document (168 KB PDF).

July 30, 1997. DER. 36 Pages.
William Erickson. Environmental Risk Branch.
71-4 -- Avian Reproduction Test.
Northern Bobwhite.
MRID 44015601.
Document (1,297 KB PDF).

June 11, 1999. DER. 12 Pages.
Ghazi Dannan. Registration Action Branch III.
Review of "Absorption Distribution, and Excretion of
[Phenyl-U-14C] CGA-77102 in the Rat." Metabolism - rat
[OPPTS 870.7485 (Sec. 85-1)].
MRID No. 44491401.
Document (808 KB PDF).

August 30, 1999. Memorandum. 12 Pages.
Brian Montague. Environmental Risk Branch.
Review of Honeybee Toxicity Studies with Metolachlor and
s-Metolachlor isomer.
MRID 44718401, -02.
Document (561 KB PDF).

April 14, 2000. DER. 1 Page.
Mark Mossler. Golder Associates for EEB.
72-2 - Acute EC50 Test with a Freshwater Invertebrate.
[Daphnia magna.]
MRID 44931703.
Document (32 KB PDF).

April 14, 2000. DER. 4 Pages.
Mark Mossler. Golder Associates for EEB.
EC50 Test with Lemna gibba.
Guideline 123-2 (Tier II).
MRID 44931720.
Document (109 KB PDF).

April 14, 2000. DER. 1 Page.
Mark Mossler. Golder Associates for EEB.
Earthworm Toxicity Test.
MRID 44931721.
Document (32 KB PDF).

April 25, 2000. Memorandum. 47 Pages.
Brian Montague. Environmental Risk Branch.
Review of Metolachlor (CGA 51202).
Review of 7 studies; two acute studies with fish; Daphnia
magna; alga; terrestrial plants (core).
MRIDs 44929501, -02, -03, -13, -14, -15.
Document (2,338 KB PDF).

July 3, 2000. Memorandum. 47 Pages.
Brian Montague. Environmental Risk Branch.
Review of Metolachlor (CGA 51202) - Shaughnessy Code 108801
Studies Submitted under Barcodes D260006, D260007, D260009,
D260010 ... MRID 44929501, -02, 03, 13, 14, 15.
Document (2,126 KB PDF).

January 8, 2001. DER. 15 Pages.
William Greear. Registration Action Branch.
Subchronic Oral Toxicity STudy - Rat. [OPPTS 870.3100
(Sec. 82-1a)]. MRID No. 44775402.
Document (848 KB PDF).

January 29, 2001. Review. 12 Pages.
Shyam Mathur. Technical Review Branch RD.
Product Chemistry Review of Sipcam Metolachlor Technical MUP
DP Barcode: D270203
EPA Reg. No.: 60063-RT
Pages 6, 9-12 removed, description of manufacturing process.
MRIDs 45239101, 45239102, 45246901.
Document (567 KB PDF).

April 25, 2001. DER. 12 Pages.
Virginia Dobozy. Reregistration Branch.
Developmental Toxicity - Rat; OPPTS 870.3700 (Sec. 83-3a).
Metolachlor OA (CGA-51202 Technical).
MRID No. 44929510.
Document (572 KB PDF).

April 25, 2001. DER. 13 Pages.
Virginia Dobozy. Reregistration Branch.
Developmental Toxicity - Rat; [870.3700 (Sec. 83-3a)].
Metolachlor ESA (CGA-354743 Technical).
MRID No. 44931711.
Document (548 KB PDF).

April 25, 2001. DER. 12 Pages.
Virginia Dobozy. Reregistration Branch.
CGA-51202; (Metolachlor OA)(Degradate of Metolachlor);
Subchronic Oral Toxicity Feeding - Rat [OPPTS 870.3100
82-3)]. MRID No. 44929509.
Document (530 KB PDF).

April 25, 2001. DER. 18 Pages.
Virginia Dobozy. Reregistration Branch.
CGA-354743 (Metolachlor ESA)(Metabolite of Metolachlor);
Subchronic Oral Toxicity Feeding - Dog [OPPTS 870.3150
(Sec. 82-1b)]. MRID No. 44931709.
Document (1,071 KB PDF).

April 25, 2001. DER. 14 Pages.
Virginia Dobozy. Reregistration Branch.
CGA-354743 Subchronic Oral Toxicity Feeding - Rat
[OPPTS 870.3100 (Sec. 82-1a)].
MRID No. 44931710.
Document (769 KB PDF).

July 23, 2001. DER. 17 Pages.
Virginia Dobozy. Reregistration Branch, HED.
Study Type: Subchronic Oral Toxicity - Rat [OPPTS 870-3100
(82-1a)]; MRID 44775401.
Document (902 KB PDF).

July 25, 2001. DER. 25 Pages.
Ghazi Dannan. Registration Action Branch.
Metabolism 0 rat; [OPPYS 870.7485 (Sec. 85-1)].
MRID No. 44491402.
Registration data removed from pages 16-25.
Document (1,071 KB PDF).

July 26, 2001. DER. 14 Pages.
Virginia Dobozy. Reregistration Branch 1 HED.
Prenatal Developmental Toxicity (Rabbit).
Supplement to Document #001051 - DER for MRID No. 00041283
... to upgrade the original DER.
Page 14-23 removed, registrant data.
Document (330 KB PDF).

July 26, 2001. DER. 15 Pages.
Virginia Dobozy. Reregistration Branch 1 HED.
Prenatal Developmental Toxicity (Rat).
Supplement to Document #009509 - DER for MRID No. 00151941
... to upgrade the original DER.
Page 15-29 removed, registrant data.
Document (417 KB PDF).

October 3, 2001. Review. 2 Pages.
Sami Malak. Technical Review Branch RD.
Product Chemistry Review of a Technical Grade TGAI [X]
DP Barcode No: 276030
REG./File Symbol 60063-RT
Inert ingredient info on page one not included.
MRID 45433707.
Document (212 KB PDF).

December 4, 2001. Memorandum. 66 Pages.
Virginia Dobozy. Reregistration Branch I HED.
Toxicology Chapter for Metolachlor/S-Metolachlor.
PC Code: 108801/108800
DP Barcode: D274326.
Document (2,562 KB PDF).

January 29, 2002. Memorandum. 121 Pages.
Mark Corbin. Environmental Risk Branch I.
Metolachlor TRED: Estimated Drinking Water Concentrations
for Metolachlor & its Degradation Products for Use in the
Human Health Drinking Water Risk Assessment. DP Barcodes
D248805, D228814, D258820, D258817, D258824, D258822,
D258812, D259119, D259037 & D2590349. In Metolachlor folder.
Document (7,421 KB PDF).

February 28, 2002. Memorandum. 126 Pages.
Mark Corbin. Environmental Risk Branch.
Review of Documents Related to the Equivalency of Racemic
Metolachlor (Metolachlor) and S-Metolachlor for
Environmental Fate and Ecotoxicity.
Document (5,572 KB PDF).

February 28, 2002. DER. 5 Pages.
Mark Corbin. Environmental Risk Branch I.
Exposure analysis of metolachlor in 27 community water
systems in 27 states, 1993-2000... Non-guideline.
Pages 5-13 removed, registrant data.
MRID 45527501.
Document (197 KB PDF).

February 28, 2002. DER. 5 Pages.
Mark Corbin. Environmental Risk Branch I.
Occurrence of metolachlor (1994-1995) compared to
s-metolachlor (1999-2000) in drinking water from community
water systems in 27 major use states...
Pages 5-34 removed, registrant data.
MRID 45527502.
Document (183 KB PDF).

February 28, 2002. Memorandum. 102 Pages.
Sherrie Kinard. Reregistration Branch II.
Metolachlor/ S-Metolachlor Residue Chemistry Chapter for
the Tolerance Reassessment Eligibility Decision (TRED);
PC Codes 108801 and 108800; DP Barcode D274328; Case 0001.
Document (3,764 KB PDF).

May 17, 2002. Memorandum. 14 Pages.
Mark Corbin. Environmental Fate and Effects Division.
Environmental Fate and Effects Division Response to Comments
made by Syngenta on EFED's Drinking Water Assessment for
Metolachlor/ s-Metolachlor.
Document (1,129 KB PDF).

May 22, 2002. Memorandum. 145 Pages.
Mark Corbin. Environmental Fate & Groundwater Branch.
Revised Metolachlor/ s-Metolachlor TRED: Estimated Drinking
Water Concentrations for Metolachlor/ s-Metolachlor and its
Degradation Products for Use in Human Health Dietary Risk
Assessment.
Document (7,796 KB PDF).

May 23, 2002. Memorandum. 16 Pages.
Christine Jarvis. Reregistration Branch.
Metolachlor (PC Code 108801) & S-Metolachlor (PC Code
108800); HED's Response to Comments Submitted During 30-Day
Registrant Comment period. DP Barcode D282607.
Document (560 KB PDF).


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