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Index of Cleared Science Reviews

Index for Imazethapyr (Pursuit) (Pc Code 128922)

January 7, 1987. Review. 13 Pages.
Herbert Manning. Exposure Assessment Branch.
File No. 241-EUP-RRT. Pursuit. Data Submission in Support
of EUP for New Chemical Use on Soybeans.
Pages 10-13 removed, draft label.

February 12, 1987. Memorandum. 5 Pages.
Michael Metzger. Residue Chemistry Branch.
87-NJ-02, 87-NJ-03. Section 18 Request for the Use of
Imazethapyr (Pursuit 2EC, EPA EUP No. 241-EUP-RRT) on Lima
Beans and Snap Beans. No Accession Number. RCB Nos. 1888, 1889.

February 12, 1987. Memorandum. 3 Pages.
Micahel Metzger. Residue Chemistry Branch.
87-VA-03, 87-VA-04. Section 18 Request for Use of
Imazethapyr (Pursuit 2EC, EPA EUP No. 241-EUP-RRT) on Lima
Beans and Snap Beans. No Accession Number. RCB Nos. 1899, 1900.

February 18, 1987. Review. 4 Pages.
Pamela Hurley. Toxicology Branch.
241-EUP-RRT; 6G3415; 87-NJ-03 (Section 18) Pursuit on Lima Beans.

February 18, 1987. Review. 4 Pages.
Pamela Hurley. Toxicology Branch.
241-EUP-RRT; 6G3415; 87-NJ-02 (Section 18) Pursuit on Snap Beans.

February 24, 1987. Memorandum. 89 Pages.
Pamela Hurley. Toxicology Branch.
241-EUP-RRT and 6G3415. Pursuit. Application for EUP and
Temporary Tolerance for Use in or on Soybeans. Quality
control, inert ingredient info on pages 2,31,34 not included
Pgs 8-14 removed, draft label. Pgs 77-89 removed, reg. data. Tox review 005727.

March 30, 1987. Review. 9 Pages.
Emil Regelman. Exposure Assessment Branch.
Reg. Nos. 87-VA-03, -04; 87-DE-01, -02; 87-NJ-02, -03.
Imazethapyr. Emergency Use... in Virginia, Delaware, and
New Jersey for Use on Snap and Lima Beans.
Inert ingredient information on page 5 is not included.
Pages 7-8 removed, draft label.

March 30, 1987. Review. 9 Pages.
Emil Regelman. Exposure Assessment Branch.
Reg. Nos. 87-MD-02, -03. Imazethapyr. Emergency Use
Exemption in the State on Maryland.
Inert ingredient information on page 5 is not included.
Pages 7-9 removed, registrant data.

April 2, 1987. Memorandum. 6 Pages.
Pamela Hurley. Toxicology Branch.
241-EUP-RRT and 6G3415. Pursuit. Addendum to Review of
Application for EUP and Temporary Tolerance.
Tox Review 005799.

April 6, 1987. Review. 6 Pages.
Emil Regelman. Exposure Assessment Branch.
File No. 241-EUP-RRT. Imazethapyr.
Response to Comments in Previous Review.
MRID 400742-01. Pages 5-6 removed, registrant data.

April 27, 1987. Memorandum. 2 Pages.
Pamela Hurley. Toxicology Branch.
Pivot/Pursuit. Summary of Toxicity Data for Section 18 Requests.

June 9, 1987. Memorandum. 2 Pages.
Richard Loranger. Residue Chemistry Branch.
PP #6G3415/241-EUP-117. Pursuit on Soybeans. Proposal for
Additional Metabolism Study. [RCB #s 2208, 2209]
(No Accession #).

January 5, 1988. Memorandum. 1 Page.
Patricia Ott. Exposure Assessment Branch.
New Chemical Screen for Imazethapyr (Pursuit).

January 6, 1988. Memorandum. 1 Page.
Stephanie

April. Toxicology Branch.
New Chemical Standard Meeting on Pursuit.

February 19, 1988. Review. 5 Pages.
Pamela Hurley. Toxicology Branch.
241-EUP-RRT; 6G3415; 88-DE-08 (Section 18) Pursuit in Commercial Pea Fields.

February 29, 1988. Memorandum. 5 Pages.
Michael Metzger. Residue Chemistry Branch.
Section 18 Request for the Use of Imazethapyr (Pursuit 2EC,
EPA EUP No. 241-EUP-RRT) on Peas. No Accession Number /
No MRID Number. RCB #3348.

March 1, 1988. Review. 4 Pages.
Paul Mastradone. Exposure Assessment Branch.
File Nos. 241-GNO, 241-GRN. Pursuit. Response to New Chemical Screen.

April 13, 1988. Memorandum. 23 Pages.
Richard Loranger. Residue Chemistry Branch.
PP #6G3415. Results of EPA Method Validation for Pursuit
(CL 263,499) on Soybeans.

April 13, 1988. Memorandum. 3 Pages.
Leung Cheng. Residue Chemistry Branch.
88-MO-03. Section 18 Specific Exemption. Imazethapyr
(Pursuit) on Southern Peas. No MRID #. RCB #3617.

June 16, 1988. Review. 20 Pages.
Paul Mastradone. Exposure Assessment Branch.
Reg. No. 241-EUP-117. Pursuit. Review 3 Confined Rotational
Crop Studies for Addition of Corn to Label for EUP.
Pages 8-9, 11-12, 17-20 removed, registrant data.

July 18, 1988. Memorandum. 1 Page.
Patricia Ott. Exposure Assessment Branch.
Request to Toxicology Branch for Determination of Need
For a Human, Nondietary Exposure Assessment for
Imazethapyr (New Chemical Registration Standard).

July 21, 1988. Memorandum. 4 Pages.
Pamela Hurley. Toxicology Branch.
241-GRN/241-GNO/8F3589. Imazethapyr (Pursuit).
Response to Request from Exposure Assessment Branch for
Determination of Need for a Human, Nondietary Exposure
Assessment (New Chemical Registration Standard).

September 29, 1988. Data Eval. Rec. 5 Pages.
Henry Craven. Ecological Effects Branch.
Pursuit. Avian Single-Dose Oral LD50 Test.
Species Tested: Anas platyrhynchos.

September 29, 1988. Data Eval. Rec. 5 Pages.
Henry Craven. Ecological Effects Branch.
Pursuit. Avian Single Dose Oral LD50 Test.
Species Tested: Colinus virginianus.

September 29, 1988. Data Eval. Rec. 5 Pages.
Henry Craven. Ecological Effects Branch.
Pursuit. Avian Dietary LC50 Test.
Species Tested: Anas platyhynchos.

September 29, 1988. Data Eval. Rec. 5 Pages.
Henry Craven. Ecological Effects Branch.
Pursuit. Avian Dietary LC50 Test.
Species Tested: Colinus virginianus.

September 29, 1988. Data Eval. Rec. 8 Pages.
Henry Craven. Ecological Effects Branch.
Pursuit. Freshwater Fish Acute Static Test.
Species Tested: Lepomis macrochirus.

September 29, 1988. Data Eval. Rec. 8 Pages.
Henry Craven. Ecological Effects Branch.
Pursuit. Freshwater Fish Acute Static Test.
Species Tested: Salmo gairdneri.

September 29, 1988. Data Eval. Rec. 8 Pages.
Henry Craven. Ecological Effects Branch.
Pursuit. Freshwater Fish Acute Static Test.
Species Tested: Ictalurus punctatus.

September 29, 1988. Data Eval. Rec. 6 Pages.
Henry Craven. Ecological Effects Branch.
Pursuit. Freshwater Invertebrate Acute Static Test.
Species Tested: Daphnia magna.

November 22, 1988. Science Chapter. 386 Pages.
Patricia Ott. Enviromental Fate & Groundwater Branch.
EFGWB Input to the Imazethapyr New Chemical Registration
Standard. MRID 404294-07, 08, 09, 11, 12, 13, 40074201,
40522601, 00262932. Pages 11, 17-40, 47-63, 82-91, 102-328,
334-335, 340-341, 347-350, 355-364 removed, registrant data.
Attached: Dynamac Corp. 9/15/88 Task 1 and Task 2 Report.

November 28, 1988. Memorandum. 262 Pages.
Pamela Hurley. Toxicology Branch.
Pursuit Herbicide. Application for Registration... in or on
Soybeans. Manufacturing process info on page 5 not included
Pages 13-29, 52-59, 69-85, 91-105, 114-125, 136-149, 156-168
174-184, 192-218, 228-231 removed, registrant data. Tox review 006935.

January 3, 1989. Memorandum. 10 Pages.
Catherine Eiden. Environmental Fate & Groundwater Branch.
Leaching Assessment for Imazethapyr (Pursuit) Registration Standard.

January 31, 1989. Review. 7 Pages.
Paul Mastradone. Environmental Fate & Groundwater Branch.
File No. 241-GNO. Pursuit. Review Response to Registration Standard.

February 2, 1989. Review. 6 Pages.
Charles Lewis. Ecological Effects Branch.
File No. 241-GNO. Pursuit.
Registrant response to previous EEB review.
(American Cyanamid static fish studies).

February 7, 1989. Memorandum. 4 Pages.
Linda Propst. Dietary Exposure Branch.
89-OR-05. Section 18 Specific Exemption Request for the
Use of Imazethapyr (Pursuit) on Dry Peas, Chickpeas, and
Lentils Grown in Oregon. No MRID No. DEB No. 4866.

February 7, 1989. Memorandum. 3 Pages.
Linda Propost. Dietary Exposure Branch.
89-VA-01. Section 18 Specific Exemption Request for the
Use of Imazethapyr (Pursuit) on Snap Beans and Peas. No MRID No. DEB No. 4865.

February 15, 1989. Memoradnum. 3 Pages.
Leung Cheng. Dietary Exposure Branch.
89-IL-02. Section 18 Specific Exemption. Imazethapyr
(Pursuit) on Snap Beans, Lima Beans, and Peas. No MRID #.
DEB #4899.

February 28, 1989. Memorandum. 5 Pages.
Nancy Dodd. Dietary Exposure Branch.
ID #241-GNO. Pusuit (Imazethapyr, Ammonium Salt) on
Soybeans. MRID #409961-01 (DEB #4950, 4951, 4952).
Amendment Dated 2/9/89 to PP #8F3589.
Inert ingredient and manufacturing process information on
pages 2-4, and 5 (entire page) not included.

March 2, 1989. Review. 9 Pages.
Paul Mastradone. Environmental Fate & Groundwater Branch.
File Symbol 241-GNO, 241-GRN, 241-GRL. Pursuit.
Review Registrant's Response (MRID 404294-12).

March 14, 1989. Review. 7 Pages.
Paul Mastradone. Environmental Fate & Groundwater Branch.
Reg. No. 89-OR-05. Pursuit. Review Request from State of Oregon for Section 18.

April 11, 1989. Memorandum. 26 Pages.
Pamela Hurley. Toxicology Branch.
241-GRT. Event Grass Growth Regulator. Registration
Application for a Terrestrial Noncrop Use Pattern.
Pages 3-7 removed, draft label.
Tox review 007121.

May 18, 1989. Memorandum. 2 Pages.
Pamela Hurley. Toxicology Branch.
241-310. Company Response to Toxicology Branch Assessment
of Chronic/Oncogenicity Study on Pursuit Herbicide.
Tox Review 007187.
Attachment(s) following:

January 17, 1989. Memorandum. 7 Pages.
Pamela Hurley. Toxicology Branch.
241-GRN/GNO/8F3589. Pursuit Herbicide. Application for
Registration and Petition for Permanent Tolerance in or on
Soybeans. Manufacturing process info on page 6 not included.
Tox review 007187.

*End of attachments*

June 14, 1989. Memorandum. 3 Pages.
Leung Cheng. Dietary Exposure Branch.
89-MI-07. Section 18 Specific Exemption. Imazethapyr
(Pursuit) on Dry Beans. No MRID #. DEB #5409.

June 19, 1989. Memorandum. 2 Pages.
Leung Cheng. Dietary Exposure Branch.
89-MD-01, -02, & -03. Section 18 Specific Exemption.
Imazethapyr (Pursuit) on Snap Beans, Lima Beans, and Peas.
Label Amendment. No MRID #. DEB #5387, 5388, & 5389.

September 28, 1989. Memorandum. 3 Pages.
Pamela Hurley. Toxicology Branch.
241-317. Event Herbicide. Comments on Company Response to
Toxicology Branch Review of Registration Application for a
Terrestrial Noncrop Use Pattern. Manufacturing process info
on page 1 and inert ingredinent info on page 2 not included.
Tox review 007506.

October 31, 1989. Review. 6 Pages.
James Akerman. Ecological Effects Branch.
Registrant response to proevious EEB review
MRID 409962-01.

November 7, 1989. Review. 11 Pages.
Paul Mastradone. Environmental Fate & Groundwater Branch.
Reg. No. 241-310.
Review rotational crop study to support new use on legumes.
Pages 8-11 removed, registrant data.

January 11, 1990. Memorandum. 10 Pages.
Elizabeth Haeberer. Dietary Exposure Branch.
PP #9f3728: Imazethapyr (aka Pursuit), Review of
Radiolabeled Metabolism Study in Green Beans; Evaluation of
Residue Data for Legume Crop Group Tolerance Proposal
(MRID Nos. 404294-12, 4049972-01, DEB Nos. 5108, HED
Project Nos. 9-1133, 9-1342).

February 14, 1990. Memorandum. 2 Pages.
Elizabeth Haeberer. Dietary Exposure Branch.
PP # 9F3728: Imazethapyr (aka Pursuit), Revised Section B
for Legume Crop Group Proposal, Submission of January 30,
1990 (No MRID No., DEB Nos. 6328, 6329, HED Project No. 0-0675).

June 19, 1990. Review. 2 Pages.
Paul Mastradone. Environmental Fate & Groundwater Branch.
Reg. No. 241-310. Pursuit. Unclear - EFGWB Requests
Specific Instructions from RD.

March 19, 1991. Review. 6 Pages.
Richard Petrie, et. al. Ecological Effects Branch.
Proposed Registration of Use on Peanuts.

October 13, 1993. Memorandum. 24 Pages.
Francis Griffith. Chemistry Branch.
PP# 1F4013 - Imazethapyr (Pursuit) in Alfalfa Hay, Forage,
and Seed. Review of January 28, 1993 Amendment.
[MRID 42658403] DP Barcode # D188634. File R086516.

February 2, 1994. Memorandum. 13 Pages.
Francis Griffith. Chemistry Branch.
PP# 1F4013 - Imazethapyr (Pursuit) in Alfalfa Forage, Hay, and Seed.
Review of New Residue Analytical Method.
(MRID #s 43011701 and -02) [CBTS # 12848]
{DP Barcode D196948}.

March 13, 2001. DER. 10 Pages. Lewis Brown. Environmental Risk Branch. Acute LC50 Test for Freshwater Fish 72-3(A) - Warmwater Species; Bluegill minnow DP Barcode D269229 MRID 45161306.

March 13, 2001. DER. 11 Pages.
Lewis Brown. Environmental Risk Branch.
Algae or Diatom EC50 Test
123-2 (Tier II)
Chemical: Imazethapyr degradate CL271197
DP Barcode D269229
MRID 45161327.

March 13, 2001. DER. 10 Pages.
Lewis Brown. Environmental Risk Branch.
LC50 Test for Freshwater Fish
72-1C; Rainbow Trout
DP Barcode D269229
MRID 45161305.

March 14, 2001. DER. 10 Pages.
Lewis Brown. Environmental Risk Branch.
Acute LC50 Test for Freshwater Invertebrate
72-2; Daphnia magna
DP Barcode D269229
MRID 45161307.

March 14, 2001. DER. 11 Pages.
Lewis Brown. Environmental Risk Branch.
Acute LC50 Test for Freshwater Invertebrate
72-2; Daphnia magna
Chemical: Imazethapyr degradate CL290084
DP Barcode D269229
MRID 45161308.

March 14, 2001. DER. 11 Pages.
Lewis Brown. Environmental Risk Branch.
Acute LC50 Test for Freshwater Invertebrate
72-2; Daphnia magna
Chemical: Imazethapyr degradate CL266858
DP Barcode D269229
MRID 45161309.

March 14, 2001. DER. 11 Pages.
Lewis Brown. Environmental Risk Branch.
EC50 Test with Lemna Gibba
122-2 (Tier I)
Chemical: Imazethapyr degradate CL290084
DP Barcode D269229
MRID 45161324.

March 14, 2001. DER. 11 Pages.
Lewis Brown. Environmental Risk Branch.
Algae or Diatom EC50 Test
123-2 (Tier II)
Chemical: Imazethapyr degradate CL290084
DP Barcode D269229
MRID 45161325.

March 14, 2001. DER. 10 Pages.
Lewis Brown. Environmental Risk Branch.
EC50 Test with Lemna Gibba
123-2 (Tier II)
Chemical: Imazethapyr degradate CL271197
DP Barcode D269229
MRID 45161326.

March 29, 2001. DER. 12 Pages.
Lewis Brown. Environmental Risk Branch.
EC50 Test with Lemna Gibba
122-2 (Tier II)
Chemical: Imazethapyr degradate CL266858
DP Barcode D269229
MRID 45161322.

September 7, 2001. Memorandum. 12 Pages.
Lewis Brown. Environmental Risk Branch.
Data Evaluation Record Review for Three Studies using
Imazethapyr and its formulation (PC Code: 128923,
DP Barcode D269229, MRID# 45161303, 45161304, and 45161319).
Avian repro - mallard; avian repro - quail; growth
of marine diatom - Skeletonema costratum.

April 22, 2002. Memorandum. 100 Pages.
Tom Bloem. Reregistration Action Branch 1; HED.
ID#s - 6F04746 (nongrass animal feed crop group), 1E06286
(import tolerance; imidazolinone-tolerant canola), and
0F06186 (crayfish and imidazolinone-tolerant rice) -
Imazethapyr in/on Nongrass Feed, Imidazolinone-Tolerant
Canola (Import), Imidazolinone-Tolerant Rice, and Crayfish.
Attachment(s) following:

April 22, 2002. Memorandum. Tom Bloem. Reregistration Action Branch 1; HED. (continued) Evaluation of Residue Data and Analytical Methods. DP DP Barcodes D278993, D281036, D281218, D281265, D281266, and D282096. Chemicals 128922 (imazethapyr) and 128923 (imazethapyr ammonium salt).

April 22, 2002. Memorandum. Tom Bloem. Reregistration Action Branch 1; HED. (continued) MRIDs 45373602, 45607101, 45642101, 45161336, 45161334, 45161335, 45373604, 45373603, 44056302, 45528001, 45373606, 45409201, 44056301, 45161340.

*End of attachments*

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