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Index of Cleared Science Reviews

Index for Imazaquin (Pc Code 128848)

June 10, 1983. Review. 7 Pages.
Richard Moraski. Exposure Assessment Branch.
File No. 43. AC 252,214.
Confirmation of Pre-Registration Conference.
Tox review 003359.

November 30, 1983. Data Eval. Rec. 2 Pages.
Allen Vaughn. Ecological Effects Branch.
AC 252,214 Technical. Bee Adult Toxicity Dusting Test.

November 30, 1983. Data Eval. Rec. 4 Pages.
Russel Farringer. Ecological Effects Branch.
CL 252,214 or AC 252,214 87.9% a.i
Acute Toxicity of AC 252,214 to Channel Catfish
(Ictalurus punctatus).

December 2, 1983. Data Eval. Rec. 4 Pages.
Russel Farringer. Ecological Effects Branch.
CL 252,214 or AC 252,214 87.9% a.i
Acute Toxicity of AC 252,214 to Daphnia Magna.

December 2, 1983. Data Eval. Rec. 4 Pages.
Russel Farringer. Ecological Effects Branch.
AC 252,214 or CL 252,214 87.9% a.i
Acute Toxicity of AC 252,214 to Bluegill Sunfish
(Lepomis Macrochirus).

December 2, 1983. Data Eval. Rec. 4 Pages.
Russel Farringer. Ecological Effects Branch.
AC 252,214 or CL 252,214 87.9% a.i
Acute Toxicity of AC 252,214 to Rainbow Trout
(Salmo gairdneri).

December 5, 1983. Data Eval. Rec. 2 Pages.
Russel Farringer. Ecological Effects Branch.
CL 252,214 or AC 252,214 87.9% a.i
8-Day Dietary LC50 Study with AC 252,214 Technical
in Mallard Duck.

December 5, 1983. Data Eval. Rec. 2 Pages.
Russel Farringer. Ecological Effects Branch.
CL 252,214 or AC 252,214 87.9% a.i
8-Day Dietary LC50 Study with AC 252,214 Technical
in Bobwhite Quail.

December 5, 1983. Data Eval. Rec. 2 Pages.
Russel Farringer. Ecological Effects Branch.
CL 252,214 or AC 252,214 87.9% a.i
Acute Oral Toxicity Study with AC 252,214 Technical
in Bobwhite Quail.

December 5, 1983. Data Eval. Rec. 2 Pages.
Russel Farringer. Ecological Effects Branch.
CL 252,214 or AC 252,214 87.9% a.i
Acute Oral Toxicity Study with AC 252,214 Technical
in Mallard Duck.

December 6, 1983. Review. 24 Pages.
Russel Farringer. Ecological Effects Branch.
File No. 241-EUP-RNI. Scepter.
Proposed EUP of New Chemical for USe on Soybeans.
Inert ingredient information on page 4 is not included.
Pages 7-24 are not included - draft label and
registrant data.

January 16, 1984. Review. 36 Pages.
Samuel Creeger. Exposure Assessment Branch.
File No. 241-EUP-RNI. Scepter. Use in or on Soybeans.
Pages 31-36 are not included - draft label.

June 21, 1984. Memorandum. 4 Pages.
Bhushan Mandava. Reg. Support & Emergency Response Branch.
Assignment of Chemical Codes.
Inert ingredient information on page 4 is not included.

January 31, 1985. Memo of Meeting. 1 Page.
Jim Yowell. Registration Division, PM Team 25.
Field Dissipation Studies with Assert and Scepter.

February 14, 1985. Review. 4 Pages.
Ken Clark. Ecological Effects Branch.
Reg. Nos. 85-LA-04, 85-MS-03, 85-AL-02. Scepter.
Proposed Section 18s for Use on New Herbicide in Soybeans.

February 20, 1985. Review. 9 Pages.
Samuel Creeger. Exposure Assessment Branch.
Reg. Nos. 85-AL-02, 85-MS-03, 85-LA-04. Scepter.
Section 18 for Use on Soybeans.
Pages 5-9 are not included - draft label.

March 7, 1985. Memorandum. 46 Pages.
Jane Harris. Toxicology Branch.
Scepter on Soybeans for Emergency Use (Section 18)
in Louisiana, Mississippi and Alabama 85-LA-04/-MS-03/-AL-02
Accession Nos. 144178, 144180 and 144617.
Inert and manufacturing process info on page 5 not included.
Tox review 004791.

November 15, 1985. Summary. 10 Pages.
Ecological Effects Branch.
EEB Chemical Profile - Imazaquin.

November 15, 1985. Review. 11 Pages.
Charles Lewis. Ecological Effects Branch.
File No. 241-EIO. Imazaquin (Scepter). Use in/on Soybeans.

December 11, 1985. Review. 3 Pages.
Richard Lee. Ecological Effects Branch.
File No. 241-EIT. Scepter (Imazaquin).
Proposed Full Registration of Formulating Use.

January 9, 1986. Memorandum. 18 Pages.
Alfred Smith. Residue Chemistry Branch.
PP #5F3273 (Accession Nos. 073703, 073706, 073678; RCB
#1265): Scepter in Soybeans - Evaluation of Residue Data
and Analytical Method.
Pages 11-18 removed, product impurity, manufacturing process
and quality control information.

February 10, 1986. Memorandum. 254 Pages.
Jane Harris. Toxicology Branch.
Imazaquin (Scepter Herbicide)
EPA ID Nos. 5F3273/241-ETO/241-EIT
AC 252,214, Accession Numbers 073679-0733701, 073703, 073606
Application for Permanent Tolerance on Soybeans
at 0.05 Part Per Million (ppm) (continued).
Attachment(s) following:

February 10, 1986. Memorandum.
Jane Harris. Toxicology Branch.
Quality control information on page 4 and inert ingredient
info on pages 11 and 14 not included. Pages 32-60, 79-86,
100-108, 119-125, 137-154, 173-185, 193-211, 220-230,
235-239, 245-251 removed, registrant data.
Tox review 004932.

*End of attachments*

February 26, 1986. Final Report. 45 Pages.
Dynamac Corporation.
Task 1: Review and Evaluation of Individual Studies.
Task 2: Environmental Fate and Exposure Assessment.

February 26, 1986. Memorandum. 5 Pages.
Everett Greer. Analytical Chemistry Laboratory.
PP# 5F3273 Scepter in Soybeans.

March 3, 1986. Review. 8 Pages.
Mathew Lorber. Exposure Assessment Branch.
Evaluation of the Leaching Potential of Imazaquin -
PRZM Simulations.

March 3, 1986. Review. 7 Pages.
Samuel Creeger. Exposure Assessment Branch.
File No. 241-EIO. Scepter.
New Chemical, Product Registration Requested on Soybeans.

March 3, 1986. Review. 3 Pages.
Samuel Creeger. Exposure Assessment Branch.
File No. 241-EIT. Scepter.
New Chemical, Product Registration Requested for Scepter
Herbicide Technical.

March 6, 1986. Memorandum. 1 Page.
Alfred Smith. Residue Chemistry Branch.
PP# 5F3273: Scepter in Soybeans. Report on Completion
of Method Trial.

March 10, 1986. Memorandum. 3 Pages.
Alfred Smith. Residue Chemistry Branch.
EPA Registration No. 241-EIO; Scepter in Soybeans.
Letter of DEcember 18, 1985 (No Accession Number;
RCB No. 350).

March 18, 1986. Memorandum. 17 Pages.
Mary Waller. Fungicide-Herbicide Branch.
EPA File Symbol 241-EUP-RRA.
PSPM61 Herbicide (Formulation A).
EPA File Symbol 241-EUP-RRA
PSPM61 Herbicide (Formulation B)
Tox review 006182/006204. Pages 9-17 removed, draft labels.

May 1, 1986. Review. 2 Pages.
Samuel Creeger. Exposure Assessment Branch.
Reg. Nos. 241-287, -289, and -292. Scepter.
Review and Comment on Protocol for Field Dissipation
Study; Expedite.

June 11, 1986. Memo of Call. 1 Page.
Samuel Creeger. Exposure Assessment Branch.
Clearance for Mid-Course Change in a Scepter Field
Dissipation Study.

November 17, 1986. Review. 6 Pages.
Herb Manning. Exposure Assessment Branch.
Reg. No. 241-289, 241-292. Scepter.
Modification of Rotational Crop Restrictions.

December 3, 1986. Memorandum. 7 Pages.
Deloris Graham. Fungicide-Herbicide Branch.
EPA File Symbol 241-EOT
Squadron Herbicide
Acc. 265326. Pages 4-7 removed, draft label.
Tox review 006373.

February 2, 1987. Memorandum. 4 Pages.
Mary Waller. Fungicide-Herbicide Branch.
EPA Registration No. 241-292
Scepter Herbicide Contains Surfactant.
Acute inhalation. Pages 3-4 removed, draft label.
Tox review 006069.

February 2, 1987. Memorandum. 3 Pages.
Michael Metzger. Residue Chemistry Branch.
Imazaquin (Scepter Herbicide, EPA Reg. No. 241-289;
Scepter Herbicide [redacted] EPA Reg. No. 241-292)
on Soybeans. Amendment to Modify Rotational Crop
Restrictions. Inert info on page 1 not included.
Acc. No. 073703.

February 27, 1987. Memorandum. 6 Pages.
Mary Waller. Fungicide-Herbicide Branch.
EPA File Symbol 524-EUP-AI. Partner WDG.
Pages 5-6 removed, draft label.
Tox review 006341.

July 20, 1987. Review. 16 Pages.
Emil Regelman. Exposure Assessment Branch.
Reg. Nos. 241-287, -289, -292. Scepter.
Review of Field Dissipation Data in Support of Registration.
Pages 7-16 removed, registrant data.

September 23, 1987. Memo to File. 1 Page.
Emil Regelman. Exposure Assessment Branch.
Meeting with Bill Steller of Cyanamid Regarding EAB's
Review of a Field Dissipation Study.

May 4, 1988. Review. 17 Pages.
Emil Regelman. Exposure Assessment Branch.
Reg. Nos. 241-287, -289, -282, -306, -303. Imazaquin
(Scepter). Response to EAB Comments on Soil Dissipation
Study.
Pages 6-17 removed, registrant data.

June 1, 1988. Memorandum. 4 Pages.
Jerry Stokes. Residue Chemistry Branch.
Imazaquin. In-house discussion of additional residue
data requirements for reduction of rotational crop
restrictions and/or establishment of rotational
crop tolerances.

July 11, 1988. Memorandum. 3 Pages.
Frank Sanders. Fungicide-Herbicide Branch.
Meeting with Registrant Re Soil Dissipation Study.

August 10, 1988. Review. 7 Pages.
Emil Regelman. Exposure Assessment Branch.
Reg. No. 241-287. Imazaquin (Scepter).
Request for Meeting with EAB to Discuss Soil
Dissipation Study.

October 8, 1988. One-Liner. 2 Pages.
Environmental Fate & Groundwater Branch.
Imazaquin; Pesticide Environmental Fate One Line Summary.

December 29, 1988. Review. 18 Pages.
Emil Regelman. Environmental Fate & Groundwater Branch.
Reg. Nos. 241-287, 241-292, 241-289, 241-303, 241-306.
Scepter. Provide Written Rationale for Assay of Individual
Cores Versus Assay of Pooled Samples (Soil Dissipation
Studies).

July 21, 1989. Memorandum. 2 Pages.
Marion Copley. Toxicology Branch.
EPA IDs: 5F3273/241-ETO/241-EIT: Imazaquin (Scepter
Herbicide), AC 252,214; Reevaluation of Rat
Oncogenicity Study.
Tox review 007360.

September 20, 1989. Review. 5 Pages.
Emil Regelman. Environmental Fate & Ground Water Branch.
Reg. No. 241-281. Scepter. Review of Protocol for a
Field Dissipation Study (Preplant Incorporated).

February 23, 1990. One-Liner. 3 Pages.
E.B. Connerly. Environmental Fate & Groundwater Branch.
Imazaquin Environmental Fate One-Liner.

December 12, 1990. Review. 16 Pages.
Emil Regelman. Environmental Fate & Groundwater Branch.
Review of Protocol for Terrestrial Field Dissipation Study
(Incorporates Recommendations Made in EFGWB Review Dated
9/20/89). Pages 6-16 removed, registrant data and
commercial/financial information.

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