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Index of Cleared Science Reviews
Index for Imazapyr and Imazapyr salts (Pc Code 128821)
February 10, 1984. Memorandum. 2 Pages.
Bhushan Mandava. Registration Support & Emergency Respons.
Product Chemistry Review on New Chemicals.
February 17, 1984. Review. 4 Pages.
Russel Farringer. Ecological Effects Branch.
Proposed full registration of new product on noncropland
areas.
March 15, 1984. Review. 15 Pages.
Samuel Creeger. Exposure Assessment Branch.
EPA Reg. No. 241-ETG
New chemical for use on non-cropland.
March 21, 1984. Review. 4 Pages.
Samuel Creeger. Exposure Assessment Branch.
EPA Reg. No. 241-EUP-RNR
Experimental use permit for non-cropland.
June 18, 1984. Memorandum. 10 Pages.
William Dykstra. Toxicology Branch.
EPA Reg# 241-ETG. Arsenal; New herbicide for non-
cropland. Caswell #: 003F
Accession #: 251502, 251503, 251504
Tox review 006997.
June 18, 1984. Memorandum. 9 Pages.
William Dykstra. Toxicology Branch.
241-EUP-RNR; Arsenal; New herbicide for non-
cropland. Caswell #: 003F; Accession #: 252004 (Addendum)
Tox review 006998.
June 18, 1984. Memorandum. 10 Pages.
William Dykstra. Toxicology Branch.
EPA Reg No. 241-ETG; Arsenal; New herbicide for non-
cropland.
Accn. Nos. 251502, -503 & -504.
November 21, 1984. Review. 3 Pages.
Samuel Creeger. Exposure Assessment Branch.
Review letter on waiver request (EUP on
noncropland areas).
November 27, 1984. Review. 3 Pages.
Samuel Creeger. Exposure Assessment Branch.
Review forest dissipation study protocol.
January 16, 1985. Review. 23 Pages.
Raymond Matheny. Ecological Effects Branch.
File or Reg. No 241-EUP-RRU
Arsenal Herbicide
Proposed EUP s for use in forestry applications.
February 1, 1985. Review. 5 Pages.
Samuel Creeger. Exposure Assessment Branch.
EUP for use on forests.
May 1, 1985. Review. 4 Pages.
Samuel Creeger. Exposure Assessment Branch.
Registration for use on noncropland as a herbicide, resub-
mission.
April 9, 1986. Review. 18 Pages.
Curtis Laird. Ecological Effects Branch.
Reg. No 241-273.
Submission of data to support full
registration of use on noncropland areas.
Acc. 258898.
October 3, 1986. Review. 13 Pages.
Dynamac Corporation.
Arsenal Final Report
Task 1: Review and Evaluation of Individual Studies
Task 2: Environmental Fate and Exposure Assessment.
October 7, 1986. Review. 4 Pages.
Emil Regelman. Exposure Assessment Branch.
EPA Reg. No. 241-273
Submission of field dissipation and fish accumulation
studies to fill data gaps.
February 3, 1987. Memorandum. 5 Pages.
Mary Waller. Fungicide-Herbicide Branch.
Arsenal Herbicide Railroad Applicators Concentrate
Acute oral, acute dermal... Acc. 265948.
February 19, 1987. Memorandum. 3 Pages.
Deloris Graham. Fungicide-Herbicide Branch.
Arsenal Herbicide Applicator's Concentrate
Dermal sensitization, acute inhalation.
MRID 400037-07, 08.
April 21, 1987. Memorandum. 2 Pages.
Mary Waller. Fungicide-Herbicide Branch.
Arsenal Herbicide Railroad Applicators Concentrate.
June 1, 1987. Review. 26 Pages.
Charles Lewis. Ecological Effects Branch.
Proposed Registration of Forestry Use.
June 17, 1987. Review. 9 Pages.
Therese Dougherty. Exposure Assessment Branch.
Registration for Forestry (New Use).
June 29, 1987. Review. 2 Pages.
Michael Slimak. Ecological Effects Branch.
File or Reg. No 241-273
Arsenal Herbicide
Registrant response concerning endangered species labeling.
July 2, 1987. Memorandum. 6 Pages.
Robert Taylor. Fungicide-Herbicide Branch.
EPA Registration No. 241-295
Arsenal Herbicide 0.5G
MRID 400703-01
Tox review 005993.
September 25, 1987. Review. 17 Pages.
Therese Dougherty. Exposure Assessment Branch.
Arsenal. Registration for Forestry (New Use).
MRID 40003714.
April 14, 1988. Review. 3 Pages.
Charles Lewis. Ecological Effects Branch.
Request to Waive Non-target Plant Data Requirements.
September 15, 1988. Review. 9 Pages.
Paul Mastradone. Environmental Fate & Ground Water Branch.
EPA Reg. No. 241-296
Request for addition of forestry use to CHOPPER label.
April 11, 1989. Memorandum. 26 Pages.
Pamela Hurley. Toxicology Branch.
Event Grass Growth Regulator. Registration
Application for a Terrestrial Non-crop Use Pattern.
Pages 3-7 removed, draft label.
Tox review 007121.
July 7, 1989. Review. 4 Pages.
Paul Masstradone. Environmental Fate & Ground Water Branch.
Reg. # 241-286.
Arsenal. Expedite Review of Protocol for Aquatic Field
Dissipation Study. Review Protocol for Field Dissipation
Study.
July 11, 1989. Review. 13 Pages.
Paul Mastradone. Environmental Fate & Ground Water Branch.
EPA Reg. No. 241-286, 241-299
Review studies submitted in support of registration
MRID 41002301, 41023201.
Pages 10-13 removed, registrant data.
September 28, 1989. Memorandum. 3 Pages.
Pamela Hurley. Toxicology Branch.
Event Herbicide. Comments on Company Response to Toxicology
Branch Review of Registration Application for a Terrestrial
Non-crop Use Pattern. Tox Review 007506.
Manufacturing process information on page 1 and inert
ingredient information on page 2 is not included.
November 22, 1989. Memorandum. 54 Pages.
Irving Mauer. Toxicology Branch I.
Imazapyr (Arsenal) - Mutagenicity Data Submitted
under Accession No. 260,000; EPA ID No. 241-273.
Pages 10-24, 29-32, 37-41, 47-54 removed, registration data.
Tox review 007626.
December 27, 1989. Review. 7 Pages.
Charles Lewis. Ecological Effects Branch.
Arsenal Herbicide. Registrant Response to Previous EEB
Review Plus Submission of Phytotoxicity Data to Support
Forestry Use. MRID 408118-02, 01.
September 17, 1990. Memorandum. 6 Pages.
Lucy Markarian. Registration Support Branch.
EPA Reg. No. 241-286
Arsenal Herbicide Technical (Imazapyr)
Tox review 008837.
June 24, 1991. Memorandum. 3 Pages.
William Dykstra. Toxicology Branch I.
Arsenal (Imazapyr) - PP#8H5547 and PP#8H5548
Response to Deferral from DEB Regarding Exemption
from Tolerance for Arsenal.
July 2, 1991. Memorandum. 81 Pages.
William Dykstra. Toxicology Branch I.
Arsenal (Imazapyr) FAP#8H5547/8H5548 - Imazapyr
in/on Palm Oil and Refined Sugar - Submission of
Chronic Toxicity Studies: A 2-Generation Rat
Reproduction Study... MRID 410395-01, -02, -03, -04, -05.
Tox review 008426.
September 5, 1991. Memorandum. 1 Page.
Doug Urban. Ecological Effects Branch.
Arsenal Herbicide; Request for Approval of Nonfood
Aquatic Uses.
October 2, 1991. Memorandum. 135 Pages.
Ester Rinde. Health Effects Division.
Carcinogenicity Peer Review Meeting on IMAZAPYR
Tox review 008729.
December 5, 1991. DER. 8 Pages.
Robin Hart. KBN Engineering for EFED.
STUDY TYPE: Non-target plants: Seedling Emergence Tier I
and II. Species Tested: Cucumber, Pea, Soybean,
Sunflower, Sugarbeet, Tomato, Oat, Onion, Corn and Wheat.
MRID 40811801.
December 5, 1991. DER. 16 Pages.
Prapimpan Kosawalt. KBN Engineering for EFED.
STUDY TYPE: Non-target plants: Germination- Tier I and II
Species Tested: Cucumber, Pea, Sunflower,
Soybean, Sugarbeet, Tomato, Oat, Onion, Corn,
and Wheat. MRID 40811801.
December 5, 1991. DER. 10 Pages.
Prapimpan Kosawalt. KBN Engineering for EFED.
STUDY TYPE: Growth and Reproduction of Aquatic Plants.
Species Tested: Navicula pelliculosa.
Pages 6-8 removed, registrant data.
MRID 40811802.
December 5, 1991. DER. 11 Pages.
Prapimpan Kosawalt. KBN Engineering for EFED.
STUDY TYPE: Growth and Reproduction of Aquatic Plants.
Species Tested: Anabaena flos-aquae.
Pages 9-11 removed, registrant data.
MRID 40811802.
December 5, 1991. DER. 10 Pages.
Prapimpan Kosawalt. KBN Engineering for EFED.
STUDY TYPE: Growth and Reproduction of Aquatic Plants.
Species Tested: Selenastrum capricornutum.
Pages 6-8 removed, registrant data.
MRID 40811802.
December 5, 1991. DER. 11 Pages.
Prapimpan Kosawalt. KBN Engineering for EFED.
STUDY TYPE: Growth and Reproduction of Aquatic Plants.
Species Tested: Skeletonema costatum.
Pages 6-8 removed, registrant data.
MRID 40811802.
December 5, 1991. DER. 13 Pages.
Prapimpan Kosawalt. KBN Engineering for EFED.
STUDY TYPE: Growth and Reproduction of Aquatic Plants.
Species Tested: Lemna gibba.
Pages 6-9 removed, registrant data.
MRID 40811802.
March 26, 1992. Memorandum. 9 Pages.
Douglas Urban. Ecological Effects Branch.
Registrant Request to Waive Tier III Terrestrial Plant
Growth Test Requirement for Arsenal Herbicide Concentrate
(Isopropylamine salt of Imazapyr).
March 26, 1992. Memorandum. 9 Pages.
Douglas Urban. Ecological Effects Branch.
Registrant Request to waive Tier III Terrestrial Plant
Growth Test Requirement for Arsenal Herbicide Concentrate
(isopropanolamine salt of imazapyr). DP Barcode D153348.
To support the waiver, American Cyanamid has provided ...
three reports on [spray] drift.
July 17, 1992. Memorandum. 9 Pages.
William Dykstra. Toxicology Branch.
FIFRA 88 Phase 4 Toxicology Review; Imazapyr; Arsenal; ID
#: 128829-000214; Reregistration Action.
"... identify all applicable data requirements...".
September 22, 1992. Review. 6 Pages.
Doug Urban. Ecological Effects Branch.
DPBARCODE D169018
ID#: 000241-00299
Amended label. Proposed uses on the supplemental label are
aquatic use sites in and around wetland areas...
May 25, 1993. Memorandum. 15 Pages.
Patricia Ott. Environmental Fate & Groundwater Branch.
Imazapyr (List C) - Phase 4 Review.
Review data in support of proposed new aquatic uses.
June 25, 1993. DER. 20 Pages.
William Dykstra. Toxicology Branch I.
82-1; 90-Day Rat Feeding Study with Imazapyr Technical.
MRID No. 42774401.
September 15, 1994. Memorandum. 11 Pages.
William Dykstra. Toxicology Branch I.
Imazapyr (Arsenal) American Cyanamid's Response to Review
of Chronic Rat & Mouse Studies & Requests of HED Peer
Review Committee; ID #: 000241-00273.
MRID 42774401.
October 14, 1994. Memorandum. 16 Pages.
Anthony Maciorowski. Ecological Effects Branch.
EUP for ARSENAL on Aquatic Sites DP D205457
American Cyanaamid Corporation proposes an experimental use
for the isopropanolamine salt of imazapyr... including
use on ditch banks and "where impounded water is present
in and around noncrop areas.".
April 23, 1996. Memorandum. 3 Pages.
Carol Glasgow. Registration Support Branch RD.
EPA File Symbol/ EPA Reg. No: 241-GTT/FOR USE IN IMI-CORN
(tm) ONLY; AC 513,996.
Eye irritation.
MRID 43861513.
June 24, 1996. Memorandum. 4 Pages.
Carol Glasgow. Registration Support Branch RD.
EPA File Symbol/ EPA Reg. No: 241-GTT/FOR USE IN IMI-CORN
(tm) ONLY; AC 513,996 Resubmission.
Acclimation period for eye irritation study.
MRID 43861513.
June 26, 1996. Memorandum. 41 Pages.
Nancy Dodd. Chemistry Branch.
PP#6F04641 - Imazapyr on Field Corn. Review of Analytical
Methods and Residue Data. First Food Use Review.
MRIDs 43861502; 43861503; 43861504; 43861505; 43861506;
43861516; 43861517; 43861518.
March 18, 1997. Memorandum. 4 Pages.
Laura Parsons. Environmental Fate & Groundwater Branch.
New chemical registration: Lightning.
March 18, 1997. Memorandum. 2 Pages.
Laura Parsons. Environmental Fate & Groundwater Branch.
EFED's Review of a new chemical registration of Lightning.
April 5, 1999. Memorandum. 5 Pages.
Byron Backus. Technical Review Branch RD.
Subject: EPA Reg. No. 241-286: Arsenal Technical Herbicide.
"Third acute oral study. Can 'Harmful if swallowed' be
removed from the label?"
MRID 41551002, 44735301.
March 29, 2003. DER. 39 Pages.
Stephen Carey. EPA.
Data Evaluation Report on the Reproductive Effects
of AC 243997 on Avian Species Colinus virginianus.
EPA DP Barcode D275562.
EPA MRID Number 45119714a.
March 29, 2003. DER. 15 Pages.
Stephen Carey. EPA.
Data Evaluation Report on the Reproductive Effects
of AC 243997 on Avian Species Anas platyrhychos.
EPA DP Barcode D275562.
EPA MRID Number 45119714b.
August 28, 2003. DER. 14 Pages.
Alex Clem. Environmental Fate & Groundwater Branch.
unacceptable... aquatic field dissipation (164-2), and
supplemental... bioconcentration in aquatic non-target
organisms (fish and crayfish) (165-5)
MRID 45119707.
September 2, 2003. DER. 22 Pages.
Stephen Carey. Environmental Risk Branch.
Data Evaluation Record
Seedling Emergence EC25 Test
123-1(A) (Tier II)
DP Barcode: D275562
MRID: 40811801.