Index of Cleared Science Reviews for Terbufos (Pc Code 105001)

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Undated. Data Tables. 44 Page(s).
Environmental Fate Branch.
Chem Input Data of Terbufos. EXAMS - Exposure Analysis Modeling System -
V2.0: Mode 1. Ecosystem: Pond, Aerl Development Phase Test Definition.
Chemical: Terbufos.
Document (PDF) (752 KB PDF).

Undated. Form. 1 Page(s).
William Rabert. Ecological Effects Branch.
IBT Data Gap Evaluation Form - Terbufos.
Document (PDF) (12 KB PDF).

Undated. Review. 1 Page(s).
American Cyanamid Company.
RCB (comments on undated review RCB #2797).
Document (PDF) (1483 KB PDF).
Attachment(s) Following:

Undated. Memorandum. 12 Page(s).
Kenneth Dockter. Residue Chemistry Branch.
241-EUP-RRO. Terbufos (AC 301,467 Systemic Insecticide/ Nematicide)
New Formulation for Field Corn, Grain Sorghum, and Sugar Beets.
(No Accession Number) RCB #2797.
Pending registration information on pages 2-4, 6, and 9 is not included.

*End of Attachments*

Undated. Review. 25 Page(s).
James Gagne. American Cyanamid Company.
EEB (comments on two reviews by EEB Branch).
Inert ingredient information on pages 3 and 9 is not included.
Document (PDF) (1172 KB PDF).
Attachment(s) Following:

April 19, 1988. Review.
James Goodyear. Ecological Effects Branch.
Proposed Revised EUP for Use on Corn, Grain Sorghum and Sugar Beets.

May 09, 1988. Letter.
William Miller. Insecticide Rodenticide Branch.
AC 301,467. EPA Experimental Use Permit No. 241-EUP-119.

*End of Attachments*

December 11, 1972. Data Abstract. 8 Page(s).
Ecological Effects Branch.
Counter - New Chemical. American Cyanamid Exp. Permit 241-EXP.
Document (PDF) (137 KB PDF).

January 22, 1973. Review. 1 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Evaluation of Environmental Data for S-(tert-butylthio)- methyl 0,0-diethyl
phosphorodithioate (AC 92,100). Reg-241-EXP - American Cyanamid Ltr. 12/11/72.
Document (PDF) (11 KB PDF).

February 05, 1973. Review. 3 Page(s).
J. A. Shaughnessy. Ecological Effects Branch.
Preliminary Evaluation of Temp. Permit. New Chemical with Petition for Tolerance
"ST-100", Submitted by Cyanamid 12-11-72.
Product impurity information on pages 1-2 is not included.
Document (PDF) (29 KB PDF).

February 06, 1973. Memorandum. 14 Page(s).
William Parkin. Toxicology Branch.
Request for Temporary Negligible Residue Tolerances for the Insecticide...[Terbufos]
and its Cholinesterase Inhibiting Metabolites in or on Corn Grain, Forage and Fodder
at 0.05 ppm. Product impurity & inert ingredient info. on p. 1-2 deleted. TXR. 001510.
Document (PDF) (1890 KB PDF).

March 07, 1973. Memorandum. 4 Page(s).
Robert Schmidt. Toxicology Branch.
ST-100 15G Insecticide for Use on Corn, Temporary Permit.
Inert ingredient information on page 1 not included. Tox review 001511.
Document (PDF) (281 KB PDF).

April 02, 1973. Memorandum. 5 Page(s).
David Ritter. Toxicology Branch.
AC 92100, Amendment of 3/15/73 Tox review 001512.
Document (PDF) (567 KB PDF).

July 16, 1973. Report of Call. 1 Page(s).
James Akerman. Ecological Effects Branch.
Re: File No. 241-EXP. Pheasant Simulated Field Exposure.
Document (PDF) (23 KB PDF).

July 22, 1974. Memorandum. 7 Page(s).
David Ritter. Toxicology Branch.
Counter 15G Soil Insecticide; AC-92100... and its Cholinesterase Inhibiting
Metabolites in or on Corn Fodder, Forage and Corn Grain at 0.05 ppm
(Negligible Residues) Tox review 001513.
Document (PDF) (736 KB PDF).

September 30, 1974. Review. 12 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Environmental Chemistry Evaluation of 0, 0-diethyl-S-t-butylthiomethylphosphorodithioate
(AC 92,100, CL 92,100, Counter). EPA File Symbol 241-EGI. PP 4F1496 Submitted 5-1-74
Filed 5-23-74. American Cyanamid Co.
Document (PDF) (168 KB PDF).

October 18, 1974. Review. 7 Page(s).
J. W. Akerman. Ecological Effects Branch.
Counter 15G. Petition No. 4F1496. Registration No. 241-EGI.
Document (PDF) (124 KB PDF).

December 19, 1974. Notes. 3 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Revised Recommendations. EPA File Symbol 241-EGI. PP #4F1496.
Submitted 5-1-74. Filed 5-23-74. American Cyanamid Company.
Document (PDF) (53 KB PDF).

January 31, 1975. Memorandum. 3 Page(s).
Riz Haque. Chemistry Branch.
Conclusions Regarding Aquatic Persistence and Bioaccumulation of Counter.
Document (PDF) (24 KB PDF).

March 05, 1975. Review. 1 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Environmental Chemistry Evaluation of 0,0-diethyl-S-t-
butylthiomethylphosphorodithioate (Counter, AC 92,100). EPA File Symbol 241-EGI.
PP 4F1496 Submitted 5-1-74. Filed 5-23-74. American Cyanamid Company.
Document (PDF) (11 KB PDF).

July 24, 1975. Review. 5 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Reg. No. 241-238. Counter 15G. Petition - Sugar Beets.
Document (PDF) (64 KB PDF).

September 18, 1975. Review. 3 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Petition No. 6F1657. Counter 15G. Label Change, Petition for Tolerance.
Document (PDF) (50 KB PDF).
Attachment(s) Following:

August 22, 1975. Review. 1 Page(s).
R. S. Quick. Registration Division.
PP #6F1657. Counter on Corn.

*End of Attachments*

October 10, 1975. Memorandum. 3 Page(s).
David Ritter. Toxicology Branch.
PP #6F1657: Counter 15G Soil Insecticide, AC 92,100...and its Cholinesterase
Inhibiting Metabolites - Proposal for a Tolerance of 0.5 ppm in Corn Forage and
Fodder (...) and of 0.05 ppm in Corn Grain (…), Kernals Plus Cob with Husk Removed *1514.
Document (PDF) (469 KB PDF).

November 07, 1975. Analysis Report. 1 Page(s).
EPA Animal Biology Laboratory.
EPA Reg. No. 241-238. Counter 15G. Bluegill (Lepomis macrochirus) LC 50.
Document (PDF) (20 KB PDF).

November 12, 1975. Review. 4 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Reg. No. 241-238. PP #5F1640. Counter 15G.
Document (PDF) (73 KB PDF).
Attachment(s) Following:

July 02, 1975. Review. 1 Page(s).
R. S. Quick. Registration Division.
PP #5F1640. Counter on Sugar Beets.

November 12, 1975. Note. 1 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Revised Opinion to Chemistry Branch. First Opinion Given 7/24/75.
Revised 11/12/75. Counter 5F1640.

*End of Attachments*

December 12, 1975. Analysis Report. 1 Page(s).
EPA Animal Biology Laboratory.
EPA Reg. No. 241-238. Counter 15G. Rainbow Trout (Salmo gardneri) LC 50.
Document (PDF) (20 KB PDF).

February 02, 1976. Analysis Report. 1 Page(s).
EPA Animal Biology Laboratory.
EPA Reg. No. 241-238. Counter 15G. Daphnia magna LC 50.
Document (PDF) (19 KB PDF).

May 15, 1978. Memorandum. 2 Page(s).
John Doherty. Toxicology Branch.
Registration No. 241-241, Mutagenicity Testing of Counter Soil Insecticide, Technical.
Caswell No. 131A Tox review 001515.
Document (PDF) (164 KB PDF).

June 22, 1979. Memorandum. 4 Page(s).
R. Felthousen. Ecological Effects Branch.
Habitats of Birds.
Document (PDF) (36 KB PDF).

April 09, 1980. Memorandum. 4 Page(s).
N. Platonow. Government of Canada.
Validation of the Study: "Teratogenic Study with AC 92,100 Technical in Albino Rats"
IBT No. B-1374(B), Dated July 2, 1972. ***Tox review 002334.
Document (PDF) (451 KB PDF).

September 28, 1981. Note. 1 Page(s).
Bill Rabert. Ecological Effects Branch.
Re: Terbufos Hazard Assessment for Sorghum.
Document (PDF) (19 KB PDF).

October 23, 1981. Review. 8 Page(s).
William Rabert. Ecological Effects Branch.
Reg. No. 241-238. Counter 15G. Conditional Registration - Sorghum - Green Bugs.
Document (PDF) (75 KB PDF).

December 03, 1981. Memorandum. 8 Page(s).
Alfred Smith. Residue Chemistry Branch.
PP #1F2540. Terbufos in Sorghum. Evaluation of Analytical Method and Residue Data.
Document (PDF) (64 KB PDF).

February 02, 1982. Memorandum. 28 Page(s).
Amal Mahfouz. Toxicology Branch.
PP #1F2433. Terbufos... EPA Reg. No. 241-238. A Petition for Permanent Tolerance
in or on Cabbage, Broccoli, and Cauliflower for Terbufos and its Cholinesterase
Inhibiting Metabolites at 0.20 ppm...Product impurity info on page 3 deleted.
TXR 001424.
Document (PDF) (2267 KB PDF).

June 14, 1982. Letter. 2 Page(s).
Clayton Bushong. Ecological Effects Branch.
Re: Proposed Registration of Counter 15G (Terbufos) for Use on Grain Sorghum and Soybeans.
Document (PDF) (103 KB PDF).
Attachment(s) Following:

May 04, 1982. Review. 4 Page(s).
Peer Group. Ecological Effects Branch.
Addendum to Peer Group's Review of the Temik Review for Sorghum.

*End of Attachments*

July 07, 1982. Memorandum. 1 Page(s).
William Rabert. Ecological Effects Branch.
Terbufos Registration on Sorghum 1F2540 and Soybeans 2F2608.
Document (PDF) (135 KB PDF).
Attachment(s) Following:

June 15, 1982. Review. 10 Page(s).
William Rabert. Ecological Effects Branch.
Reg. No. 241-238. Counter 15G. Submission of Data in Support of Soybeans
and Sorghum and Proposed "Knifed-In" Application Method for Sorghum.

*End of Attachments*

July 16, 1982. Memorandum. 1 Page(s).
William Rabert. Ecological Effects Branch.
Transmittal of OES Biological Opinion on Terbufos Registration for Use on Sorghum and Soybeans.
Document (PDF) (39 KB PDF).
Attachment(s) Following:

July 09, 1982. Letter. 3 Page(s).
John Spinks. Fish and Wildlife Service.
Re: The Proposed Registration of Counter 15G (Terbufos) for Use on Sorghum and Soybeans.

*End of Attachments*

November 03, 1982. Memorandum. 11 Page(s).
William Rabert. Ecological Effects Branch.
EEB Request for Mammalian Acute Oral LD50 Data.
Document (PDF) (69 KB PDF).

November 10, 1982. Memorandum. 8 Page(s).
James Felkel. Ecological Effects Branch.
Aquatic EECs for Terbufos.
Document (PDF) (178 KB PDF).

November 17, 1982. Data Eval. Rec. 1 Page(s).
Allen Vaughan. Ecological Effects Branch.
Efficacy of Malonoben (S-15126 or GCP-5126) on Non-Target Organisms 1972-1975.
MRID No. 00058883.
Document (PDF) (16 KB PDF).

November 29, 1982. Data Eval. Rec. 3 Page(s).
Allen Vaughan. Ecological Effects Branch.
Effects of Six Insecticides and a Fungicide on the Numbers and Biomass
of Earthworms in Pasture. MRID No. 05009340.
Document (PDF) (34 KB PDF).

November 29, 1982. Data Eval. Rec. 4 Page(s).
Allen Vaughan. Ecological Effects Branch.
The Toxicity of Insecticides by Contact and Soil Treatment to Two Species
of Ground Beetles. MRID No. 05009819.
Document (PDF) (34 KB PDF).

November 29, 1982. Data Eval. Rec. 5 Page(s).
Allen Vaughan. Ecological Effects Branch.
Effects of Several Commonly Used Insecticides on Corn Field Carabids in Iowa.
MRID No. 05008149.
Document (PDF) (42 KB PDF).

November 29, 1982. Data Eval. Rec. 7 Page(s).
Allen Vaughan. Ecological Effects Branch.
Protecting Honey Bees from Pesticides. MRID No. 00066220.
Document (PDF) (66 KB PDF).

December 08, 1982. Data Eval. Rec. 1 Page(s).
James Felkel. Ecological Effects Branch.
Counter (CL 92,100) Related Residues in Pheasant Muscle, Liver, Skin, Kidney and Fat.
MRID No. 00085183.
Document (PDF) (14 KB PDF).

December 08, 1982. Data Eval. Rec. 1 Page(s).
James Felkel. Ecological Effects Branch.
Counter 15G Soil Insecticide CL 92,100 and its Metabolites in Wildlife Tissues and Eggs.
MRID No. 00085180.
Document (PDF) (15 KB PDF).

December 08, 1982. Data Eval. Rec. 10 Page(s).
James Felkel. Ecological Effects Branch.
Acute Toxicity of Counter to Bluegill (Lepomis macrochirus), Channel Catfish
(Ictalurus punctatus) and Crayfish (Procambarus clarkii). MRID No. 00085176.
Document (PDF) (109 KB PDF).

December 08, 1982. Data Eval. Rec. 13 Page(s).
James Felkel. Ecological Effects Branch.
Static 96-Hour Toxicity Study of Terbufos in Bluegill Sunfish and Brown Trout.
MRID No. 00087718.
Document (PDF) (150 KB PDF).

December 08, 1982. Data Eval. Rec. 4 Page(s).
James Felkel. Ecological Effects Branch.
Report on the Toxicity of Counter 15G to Bluegill Sunfish.
Document (PDF) (36 KB PDF).

December 08, 1982. Data Eval. Rec. 4 Page(s).
James Felkel. Ecological Effects Branch.
Report on the Toxicity of Counter 15G to Daphnia magna.
Document (PDF) (34 KB PDF).

December 08, 1982. Data Eval. Rec. 4 Page(s).
James Felkel. Ecological Effects Branch.
Report on the Toxicity of Counter 15G to Rainbow Trout.
Document (PDF) (36 KB PDF).

December 08, 1982. Data Eval. Rec. 9 Page(s).
James Felkel. Ecological Effects Branch.
The Acute Toxicity of Cycocel and Experimental Insecticide AC 92,100 to Bluegill
(Lepomis macrochirus) and Rainbow Trout (Salmo gairdneri). MRID No. 00037483.
Document (PDF) (73 KB PDF).

December 10, 1982. Data Eval. Rec. 1 Page(s).
James Felkel. Ecological Effects Branch.
Accumulation and Persistence of Counter-Related Residues in Channel Catfish.
MRID No. 00087698.
Document (PDF) (15 KB PDF).

December 10, 1982. Data Eval. Rec. 1 Page(s).
James Felkel. Ecological Effects Branch.
Eight-Day Dietary LC50 Study with AC 92,100, 96.7% Pure in Mallard Ducks.
MRID No. 00037482.
Document (PDF) (15 KB PDF).

December 10, 1982. Data Eval. Rec. 1 Page(s).
James Felkel. Ecological Effects Branch.
Eight-Day Dietary LC50 Study with AC 92,100, 96.7% Pure in Mallard Ducks.
MRID No. 00069510.
Document (PDF) (14 KB PDF).

December 10, 1982. Data Eval. Rec. 1 Page(s).
James Felkel. Ecological Effects Branch.
Eight-Day Dietary LC50 Study with AC 92,100, 96.7% Pure in Ringneck Pheasants.
MRID No. 00052452.
Document (PDF) (15 KB PDF).

December 10, 1982. Data Eval. Rec. 1 Page(s).
James Felkel. Ecological Effects Branch.
Kinetics of Aged 14C Counter in a Synthetic Aquatic Ecosystem.
MRID No. 00087697.
Document (PDF) (15 KB PDF).

December 10, 1982. Data Eval. Rec. 1 Page(s).
James Felkel. Ecological Effects Branch.
Summary of Performance Data. MRID No. 00036244.
Document (PDF) (15 KB PDF).

December 10, 1982. Data Eval. Rec. 10 Page(s).
James Felkel. Ecological Effects Branch.
Final Report: One-Generation Reproduction Study - Bobwhite Quail.
MRID No. 00085177.
Document (PDF) (99 KB PDF).

December 10, 1982. Data Eval. Rec. 13 Page(s).
James Felkel. Ecological Effects Branch.
Eight-Day Dietary LC50 Study of Terbufos in Bobwhite Quail and Mallard Duck.
MRID No. 00087717.
Document (PDF) (135 KB PDF).

December 10, 1982. Data Eval. Rec. 5 Page(s).
James Felkel. Ecological Effects Branch.
Acute Oral LD50 - Bobwhite Quail. Counter Terbufos Technical. Final Report.
Document (PDF) (51 KB PDF).

December 10, 1982. Data Eval. Rec. 6 Page(s).
James Felkel. Ecological Effects Branch.
Responses of Pheasants to Simulated Field Applications of Counter,
an Organophosphate Insecticide.
Document (PDF) (202 KB PDF).

December 10, 1982. Data Eval. Rec. 9 Page(s).
James Felkel. Ecological Effects Branch.
Avian Dietary LC50 (5-Day Dietary Exposure) of Enlist Technical
(Terbufos Technical) EPA File Symbol 2749-UEL to Mallard Duck.
MRID No. 00035120.
Document (PDF) (108 KB PDF).

December 10, 1982. Memorandum. 8 Page(s).
P. R. Datta. Environmental Fate Branch.
Estimated Environmental Concentrations (EEC) for Terbufos
by the SWRRB and EXAMS Pulse Models.
Document (PDF) (51 KB PDF).

December 13, 1982. Data Eval. Rec. 6 Page(s).
James Felkel. Ecological Effects Branch.
Acute Toxicity of Counter Terbufos to Daphnia magna.
Static Acute Bioassay Rep. No. 28686.
Document (PDF) (64 KB PDF).
Attachment(s) Following:

May 28, 1982. Letter. 1 Page(s).
Lynne Melville Gregory. American Cyanamid Company.
Counter 15G Soil Insecticide-Nematicide. EPA Reg. No. 241-238. Cyanamid Letter
of April 15, 1982. 1) Sorghum Petition No. 1F2540. 2) Soybeans Petition No. 2F2608.

*End of Attachments*

December 13, 1982. Data Eval. Rec. 9 Page(s).
James Felkel. Ecological Effects Branch.
Final Report: One-Generation Reproduction Study - Mallard Ducks.
MRID No. 00097892.
Document (PDF) (115 KB PDF).

December 15, 1982. Data Eval. Rec. 1 Page(s).
James Felkel. Ecological Effects Branch.
Letter Sent to Harold H. Nau Dated June 21, 1973:
Post-Mortem Examination - Wildlife. MRID No. 00087726.
Document (PDF) (16 KB PDF).

December 16, 1982. Memorandum. 2 Page(s).
James Felkel. Ecological Effects Branch.
Request for Terbufos Monitoring/Additional Modeling.
Document (PDF) (28 KB PDF).

December 16, 1982. Memorandum. 21 Page(s).
James Felkel. Ecological Effects Branch.
Terbufos Registration Standard.
Document (PDF) (262 KB PDF).

December 30, 1982. Memorandum. 20 Page(s).
Charles Frick. Toxicology Branch.
Terbufos Registration Standard. Tox review 005612.
Document (PDF) (385 KB PDF).

March 15, 1983. Review. 6 Page(s).
Emil Regelman. Exposure Assessment Branch.
Reg. No. 241-238. Counter. Significant New Use - Corn Incremental Risk Assessment.
Document (PDF) (129 KB PDF).

March 23, 1983. Review. 11 Page(s).
James Felkel. Ecological Effects Branch.
Reg. No. 241-238. Counter 15G. Proposed Conditional Registration of Aerial Application
(or Ground Application, Without Incorporation, Over the Plants) to Field Corn.
Document (PDF) (136 KB PDF).

May 10, 1983. Review. 3 Page(s).
James Felkel. Ecological Effects Branch.
Reg. No. 241-238. Counter 15G. Registrant Response to Endangered Species Restrictions.
Document (PDF) (37 KB PDF).

June 20, 1983. Review. 4 Page(s).
Carolyn Offutt. Exposure Assessment Branch.
Estimated Environmental Concentration Review of Counter 15G (Revised).
Document (PDF) (64 KB PDF).

June 23, 1983. Memorandum. 38 Page(s).
Padma Datta. Exposure Assessment Branch.
Estimated Environmental Concentrations (EEC) for Terbufos in a River.
Document (PDF) (278 KB PDF).

July 27, 1983. Memorandum. 1 Page(s).
James Felkel. Ecological Effects Branch.
Terbufos Aquatic Exposure Assessment (Registration Standard).
Document (PDF) (29 KB PDF).
Attachment(s) Following:

Undated. Letter. 1 Page(s).
Clayton Bushong. Ecological Effects Branch.
Section 7 Consultation Request: Terbufos on Sugarbeets.

*End of Attachments*

October 20, 1983. Review. 10 Page(s).
Russel Farringer. Ecological Effects Branch.
Reg. No. 241-241. Terbufos.
Request by RD for Review of IBT Data on Terbufos (Avian Dietary).
Document (PDF) (1269 KB PDF).

November 04, 1983. Review. 38 Page(s).
Richard Moraski. Ecological Effects Branch.
Reg. No. 241-238. Counter. Review Aerobic and Anaerobic Soil Metabolism Study
and Exposure Assessment Study. Pages 20-28 are not included - registrant data.
Pages 30-38 are not included - registrant protocol.
Document (PDF) (213 KB PDF).

November 28, 1983. Review. 4 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. Nos. 241-238, 241-241. Terbufos. Registrant Response to Registration Standard.
Document (PDF) (102 KB PDF).
Attachment(s) Following:

September 27, 1983. Letter. 6 Page(s).
William Steller. American Cyanamid Company.
Initiation of Reregistration Process for Manufacturing-Use Products and Certain
End-Use Products Containing Terbufos as the Single Active Ingredient.
Inert ingredient information on page 4 is not included.

*End of Attachments*

December 01, 1983. Memorandum. 2 Page(s).
P. R. Datta. Exposure Assessment Branch.
Terbufos Aquatic Exposure Assessment (Registration Standard).
Document (PDF) (18 KB PDF).

December 22, 1983. Memorandum. 1 Page(s).
Norman Cook. Ecological Effects Branch.
RD Due Date for Terbufos: 241-238.
Document (PDF) (11 KB PDF).

December 28, 1983. Memorandum. 11 Page(s).
Amal Mahfouz. Toxicology Branch.
Terbufos; EPA Reg. No. 241-241.
Review of an Addendum to the 24-Month Oral Toxicity and Oncogenicity Rat Study...
Accession Nos. 251232, 251233, 251234 and 251235 Tox review 004898.
Document (PDF) (1098 KB PDF).

December 29, 1983. Review. 3 Page(s).
Samuel Creeger. Exposure Assessment Branch.
Reg. No. 241-238. Counter. Review Field Monitoring Protocol.
Document (PDF) (34 KB PDF).

January 30, 1984. Review. 33 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. No. 241-238. Counter 15G. Submission of Field Study Protocol for Review.
Pages 25-33 are not included - registrant data.
Document (PDF) (233 KB PDF).

March 13, 1984. Memorandum. 15 Page(s).
Amal Mahfouz. Toxicology Branch.
PP #4F2996. Terbufos...EPA Reg. No. 241-238.
A Petition for Permanent Tolerances of Terbufos and its ChE-Inhibiting
Metabolites in/on Peanut Shells at 2.50 ppm and in/on Peanut Nutmeat...
Accession Nos. 072149, 072150. Page 5 removed, draft label. TXR 3680.
Document (PDF) (1747 KB PDF).

April 13, 1984. Review. 29 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. No. 241-238. Counter 15G. Submission of Protocol for Review.
Pages 7-29 are not included - registrant data.
Document (PDF) (91 KB PDF).

April 19, 1984. Memorandum. 3 Page(s).
John Bascietto. Ecological Effects Branch.
File Documentation Briefing for Terbufos.
Document (PDF) (40 KB PDF).

April 25, 1984. Memorandum. 3 Page(s).
John Bascietto. Ecological Effects Branch.
Meeting with American Cyanamid: Avian Field Study Protocol with Terbufos.
Document (PDF) (56 KB PDF).

May 14, 1984. Review. 13 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. No. 241-238. Counter. Submission of Revised Terrestrial Field Protocol.
Pages 4-13 are not included - registrant protocol.
Document (PDF) (38 KB PDF).

June 07, 1984. Memorandum. 8 Page(s).
Amal Mahfouz. Toxicology Branch.
Terbufos, EPA Reg. No. 241-241. Response of American Cyanamid
to the Review of the Rat Chronic Feeding Study by Bio/Dynamics Inc.
Pages 5-8 removed, registrant data. Tox review 003847.
Document (PDF) (386 KB PDF).

June 12, 1984. Review. 5 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. No. 241-238. Counter.
Submission of Further Avian Data in Support of Registration Standard.
Document (PDF) (42 KB PDF).

July 27, 1984. Memorandum. 3 Page(s).
John Bascietto. Ecological Effects Branch.
Update on Counter 15G (Terbufos) Avian Field Study.
Document (PDF) (29 KB PDF).

September 19, 1984. Review. 2 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. No. 241-238. Counter. Submission of Changes in Protocol.
Document (PDF) (116 KB PDF).
Attachment(s) Following:

August 27, 1984. Letter. 9 Page(s).
Kenneth Sund. American Cyanamid Company.
Counter Systemic Insecticide-Nematicide, EPA Reg. No. 241-238. Our Letter May 9, 1984
with the Revised Protocol, "An Evaluation of the Effects of Counter 15G to Terrestrial
Species Under Actual Field Use Conditions" (Wildlife International Ltd.).

*End of Attachments*

October 09, 1984. Memorandum. 2 Page(s).
William Miller. Insecticide Rodenticide Branch.
Reevaluation of the Fish Field Monitoring Data Requirement for Terbufos.
Document (PDF) (286 KB PDF).
Attachment(s) Following:

October 27, 1983. Review. 6 Page(s).
Lionel Richardson. Exposure Assessment Branch.
Reg. Nos. 241-238, 241-241. Counter. RS Action.

March 30, 1984. Memorandum. 1 Page(s).
Clayton Bushong. Ecological Effects Branch.
Terbufos Registration Standard: Amended Data Requirements.

July 01, 1984. Memorandum. 12 Page(s).
Padma Datta. Exposure Assessment Branch.
Review of Six Documents Regarding Monitoring of Pesticides in Northwestern Ohio Rivers.

July 26, 1984. Memorandum. 1 Page(s).
Monitoring for Terbufos at Three Sites.

*End of Attachments*

November 23, 1984. Memorandum. 1 Page(s).
John Bascietto. Ecological Effects Branch.
Comments on Memo: "Terbufos - Reevaluation of Registration Data Requirements".
Document (PDF) (282 KB PDF).
Attachment(s) Following:

October 19, 1984. Memorandum. 26 Page(s).
John Bascietto. Ecological Effects Branch.
Response to Inquiries Regarding Aquatic Field Monitoring of Terbufos (Counter).

*End of Attachments*

April 01, 1985. Memorandum. 1 Page(s).
Norm Cook. Ecological Effects Branch.
RD Due Date for Terbufos: 241-238.
Document (PDF) (9 KB PDF).

April 18, 1985. Review. 2 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. No. 241-238. Counter.
Registrant Request to Use Rainbow Trout in Fish Early-Life Stage Test.
Document (PDF) (54 KB PDF).
Attachment(s) Following:

January 07, 1985. Letter. 1 Page(s).
William Miller. Insecticide Rodenticide Branch.
Terbufos Registration Standard.

February 12, 1985. Letter. 2 Page(s).
Mark Galley. American Cyanamid Company.
Counter Systemic Insecticide. EPA Reg. No. 241-238.
Terbufos Registration Standard. W. Miller Letter of 1/7/85 (Attached).

September 15, 1987. Letter. 1 Page(s).
James Newman. KBN Engineering and Applied Sciences Inc.
Contact No. 68-02-4278, Work Assignment #2 Terbufos DERs.

*End of Attachments*

May 08, 1985. Review. 3 Page(s).
Carolyn Offutt. Exposure Assessment Branch.
Reg. No. 241-238. Counter. Determine if there Is a Need for
Submission of Reentry Data under the Criteria of 40 CFR 158.140.
Document (PDF) (45 KB PDF).

May 23, 1985. Review. 31 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. No. 241-238. Counter. Submission of Data in Response to Reregistration Standard
(Submission of Field Study) and Submission of Field Data and Request to Add "Broadcast"
Ground and Aerial Applications to Corn. Production info. on page 4 deleted.
Document (PDF) (1001 KB PDF).
Attachment(s) Following:

Undated. Letter. 1 Page(s).
John Spinks. Fish and Wildlife Service.
Re: Biological Opinion on Cotton, Soybeans, Sorghum, and Small Grain Pesticides.

May 18, 1983. Letter. 20 Page(s).
Robert Jantzen. Fish and Wildlife Service.
Re: EPA Requested Formal Section 7 Consultation on the "Cluster"
Approach for Chemical Pesticides Registered on Corn.

*End of Attachments*

May 24, 1985. Data Eval. Rep. 81 Page(s).
John Bascietto. Ecological Effects Branch.
Terbufos; Counter 15G, Granular, 15% ai. Avian Field Study - Actual Use Conditions
- Potential for Acute Mortality. Accession No. 256982. Pages 44-81 are not included
- registrant protocol.
Document (PDF) (311 KB PDF).

May 24, 1985. Memorandum. 9 Page(s).
Winnie Teeters. Toxicology Branch.
Farm Worker Exposure Study; Terbufos (Counter); Caswell No. 131A;
EPA Reg. No. 241-238. Pages 6-9 removed, registrant data. Tox review 004527.
Document (PDF) (454 KB PDF).

June 10, 1985. Memorandum. 23 Page(s).
Norm Cook. Ecological Effects Branch.
Peer Review of Terbufos Field Study.
Document (PDF) (196 KB PDF).

June 24, 1985. Memorandum. 3 Page(s).
Peer Review Panel. Ecological Effects Branch.
Peer Review of Terbufos Field Study.
Document (PDF) (27 KB PDF).

July 19, 1985. Review. 4 Page(s).
Joseph Reinert. Exposure Assessment Branch.
Reg. No. 241-238. Counter. Worker Exposure Study to Support Aerial Application
of Counter to Field Corn. Inert ingredient information on page 2 is not included.
Document (PDF) (60 KB PDF).

September 25, 1985. Memorandum. 1 Page(s).
John Bascietto. Ecological Effects Branch.
Clarification of Terbufos Avian Field Study Methodology.
Document (PDF) (38 KB PDF).
Attachment(s) Following:

June 04, 1985. Letter. 4 Page(s).
Mark Jaber. Wildlife International Ltd.
Re: Calibration of the Airplane Used for the Applications in the Counter 15G Field Study.

*End of Attachments*

November 20, 1985. Letter. 1 Page(s).
William Stellar. American Cyanamid Company.
EECs for Terbufos Using the SWRRB and EXAMS Models.
Document (PDF) (51 KB PDF).
Attachment(s) Following:

November 20, 1985. Letter. 2 Page(s).
Gary Mangels. American Cyanamid Company.
Modeling of Terbufos Estimated Environmental Concentrations.

*End of Attachments*

February 17, 1986. Review. 7 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. No. 241-238. Counter 15G. Proposal to Change the Label for Sugar Beets:
1) Decrease Rate for Added Wireworms; 2) Add "Knifed in" Application for Cyst Nematodes.
Document (PDF) (152 KB PDF).
Attachment(s) Following:

November 19, 1985. Letter. 2 Page(s).
William Miller. Insecticide Rodenticide Branch.
Terbufos Registration Standard.

*End of Attachments*

March 14, 1986. Review. 5 Page(s).
John Bascietto. Ecological Effects Branch.
File No. 16-633. Terbufos Registration Standard.
Registrant Response Concerning Field Monitoring Requirements.
Document (PDF) (62 KB PDF).

March 26, 1986. Review. 12 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. No. 241-241. Counter. Submission of Terrestrial Field Protocol for Review.
Document (PDF) (81 KB PDF).

April 30, 1986. Memorandum. 2 Page(s).
Field Study Committee. Ecological Effects Branch.
Terrestrial Field Study Committee Review of the Terbufos Protocol.
Document (PDF) (20 KB PDF).

June 22, 1986. Notes. 4 Page(s).
Michael Slimak. Ecological Effects Branch.
Re: Terbufos Field Study Protocol.
Document (PDF) (58 KB PDF).

July 21, 1986. Memorandum. 1 Page(s).
Douglas Urban. Ecological Effects Branch.
Protocol Review of Terrestrial Field Study for Counter.
Document (PDF) (12 KB PDF).

April 27, 1987. Review. 8 Page(s).
John Bascietto. Ecological Effects Branch.
Reg. No. 241-241. Terbufos (Counter 15G).
Submission of Extension Request to Perform Avian Field Study to Support Corn Use.
Document (PDF) (60 KB PDF).

May 13, 1987. Memorandum. 11 Page(s).
Phyllis Johnson. Science Support Branch.
Transmission of RS FRSTR Chemical Terbufos Draft Index Entry.
Document (PDF) (92 KB PDF).

August 10, 1987. Memorandum. 24 Page(s).
William Gross. Science Support Branch.
Transmittal of the Qualitative Use Assessment for Terbufos.
Commercial/financial information on page 6 is not included.
Document (PDF) (256 KB PDF).

October 06, 1987. Memorandum. 1 Page(s).
Allen Vaughan. Ecological Effects Branch.
Registration Standard (FRSTR) for Terbufos - Nontarget Insect Studies.
Document (PDF) (13 KB PDF).

October 07, 1987. Memorandum. 106 Page(s).
Alan Levy. Toxicology Branch.
A Review of Toxicology Data Submitted in Support of Petition 6E3409 for the Use
of Terbufos in/on Imported Bananas at 0.025 ppm. EPA Accession No. 400986.
Pages 15-19, 30-36, 41-46, 53-56, 71-80, 99-106 removed, registrant data.
Tox Review 006352.
Document (PDF) (5736 KB PDF).

October 20, 1987. Science Chapter. 32 Page(s).
John Bascietto. Ecological Effects Branch.
Terbufos Registration Standard.
Document (PDF) (500 KB PDF).

October 28, 1987. Review. 6 Page(s).
Dona Williams. Insecticide-Rodenticide Branch.
Application to Field Corn, Sugar Beets and Grain Sorghum.
Document (PDF) (377 KB PDF).

December 03, 1987. Review. 4 Page(s).
Thomas Dixon. Exposure Assessment Branch.
File No. 16-633. Terbufos. Request for Computer Simulation.
Document (PDF) (72 KB PDF).

December 04, 1987. Memorandum. 4 Page(s).
Herbert Manning. Exposura Assessment Branch.
Addendum to Groundwater Statement in Terbufos Registration Standard (FRSTR).
Document (PDF) (145 KB PDF).
Attachment(s) Following:

October 07, 1987. Final Report. 10 Page(s).
Dynamac Corporation.
Terbufos. Task 1: Review and Evaluation of Individual Studies.
Task 2: Environmental Fate Assessment.

October 27, 1987. Memorandum. 3 Page(s).
Herbert Manning. Exposura Assessment Branch.
Terbufos Registration Standard (FRSTR).

*End of Attachments*

December 11, 1987. Memorandum. 7 Page(s).
Kyle Barbehenn. Science Integration Staff.
Terbufos (FRSTR) Cover Memo.
Document (PDF) (52 KB PDF).

January 26, 1988. Transmittal. 1 Page(s).
David Warburton. Ecological Effects Branch.
Notification to RD Re: Status of Terbufos Protocol as Discussed 1/22/88.
Document (PDF) (25 KB PDF).
Attachment(s) Following:

January 26, 1988. Memorandum. 1 Page(s).
David Warburton. Ecological Effects Branch.
Status of Protocol Review for American Cyanamid Terrestrial Field Study
(Level II) of Terbufos.

*End of Attachments*

March 21, 1988. Review. 15 Page(s).
David Warburton. Ecological Effects Branch.
Reg. No. 241-241. Terbufos. Avian Field Study Protocol.
Document (PDF) (127 KB PDF).

March 25, 1988. Memorandum. 2 Page(s).
Alan Levy. Toxicology Branch.
Memorandum from Frank Davido (Exposure Assessment Branch, HED) to William H.
Miller (PM #16, Registration Division) Dated March 9, 1988 Concerning Reentry
Data and Terbufos (Counter 15G). Caswell No. 131A.
Document (PDF) (135 KB PDF).
Attachment(s) Following:

March 09, 1988. Review. 14 Page(s).
Frank Davido. Exposure Assessment Branch.
Reg. No. 241-241. Counter 15G. Review of Reentry Data Gathered after
Application to Corn. Data Includes Exposure, Dislodgeable Residues,
Blood ChE Levels, and Urinary Metabolites Residues.

*End of Attachments*

April 05, 1988. Review. 3 Page(s).
David Warburton. Ecological Effects Branch.
Reg. No. 241-241. Terbufos (Counter 15G).
Registrant Response/Proposals Concerning Avian Field Studies.
Document (PDF) (37 KB PDF).
Attachment(s) Following:

March 21, 1988. Memorandum. 2 Page(s).
David Warburton. Ecological Effects Branch.
Protocol Review of American Cyanamid Terrestrial Field Study (Level II) for Terbufos.

*End of Attachments*

April 14, 1988. Memorandum. 1 Page(s).
Kyle Barbehenn. Science Integration Staff.
Terbufos FRSTR: Resolution of Reentry Issues.
Document (PDF) (14 KB PDF).

April 15, 1988. Review. 4 Page(s).
James Goodyear. Ecological Effects Branch.
File No. 241-EUP-RRP. Terbufos 20G. EUP for Grain Sorghum, Corn and Sugar Beets.
Document (PDF) (34 KB PDF).

April 18, 1988. Review. 4 Page(s).
Ecological Effects Branch.
Reg. No. 241-EUP-119. AC 301,467 Terbufos 20G.
Proposed Revised EUP for Use on Corn, Grain Sorghum and Sugar Beets.
Document (PDF) (32 KB PDF).

April 19, 1988. Review. 8 Page(s).
Robert Pilsucki. Ecological Effects Branch.
Reg. No. 88-ND-06. Counter 5G.
Proposed Section 18 for Use on Rape and Mustard Seed.
Document (PDF) (90 KB PDF).

May 12, 1988. Record of Call. 1 Page(s).
Marilyn Mautz. Insecticide-Rodenticide Branch.
Residue Chemistry Data Requirements.
Document (PDF) (21 KB PDF).

May 25, 1988. Memorandum. 6 Page(s).
John Tice. Insecticide-Rodenticide Branch.
Post-Phase II Registration Standard Support Team Meeting for Terbufos FRSTR.
Document (PDF) (36 KB PDF).

September 02, 1988. Memorandum. 5 Page(s).
Kenneth Dockter. Dietary Exposure Branch.
Terbufos [Counter XL (AC 301,467) Systemic Insecticide- Nematicide;
ID No. 241-GRU] for Field Corn, Grain Sorghum, and Sugar Beets;
[re: 241-EUP-RRO; RCB #2797]. MRID 406607-03 & -04. RCB #4136.
Product ingredient source info. on page 4 not included.
Document (PDF) (303 KB PDF).

December 15, 1988. Review. 5 Page(s).
James Goodyear. Ecological Effects Branch.
Proposed New Formulation (20G) for Use on Corn, Sorghum and Sugar Beets.
Response to Previous EEB Review. (MRID No. 406607-05).
Document (PDF) (238 KB PDF).

December 15, 1988. Review. 6 Page(s).
James Goodyear. Ecological Effects Branch.
Proposed New Formulation (20G) for Use on Corn, Sorghum and Sugar Beets.
Response to Previous EEB Review. (MRID No. 406607-00). Inert ingredient
information on page 2 is not included.
Document (PDF) (338 KB PDF).

January 06, 1989. Review. 2 Page(s).
Ed Fite. Ecological Effects Branch.
File No. 16-758. Counter (Terbufos). Registrant Submission of Minutes of 8/17/88
Meeting with EEB Personnel Request for Concurrence.
Document (PDF) (59 KB PDF).
Attachment(s) Following:

September 08, 1988. Letter. 5 Page(s).
William Steller. American Cyanamid Company.
Counter Systemic Insecticide-Nematicide (Terbufos). EPA Reg. No. 241-238.

*End of Attachments*

February 06, 1989. Review. 6 Page(s).
David Warburton. Ecological Effects Branch.
Reg. No. 89-ND-02. Counter 5G. Proposed Section 18 for Use on Rape
and Mustard Plantings as a Planting Time Drill Box Treatment.
Document (PDF) (50 KB PDF).

February 13, 1989. Memorandum. 1 Page(s).
David Warburton. Ecological Effects Branch.
Terbufos (Counter 5G) Section 18 Emergency Exemption Review:
Updated Endangered Species Locations.
Document (PDF) (13 KB PDF).

February 16, 1989. Memorandum. 1 Page(s).
David Warburton. Ecological Effects Branch.
Terbufos Section 18 in North Dakota - Action Memorandum.
Document (PDF) (16 KB PDF).

February 21, 1989. Review. 2 Page(s).
James Akerman. Ecological Effects Branch.
241-GRU RD Request for Clarification of Avian Data Required to Support
Proposed Registration (Concerns Previous EEB Review of December 15, 1988).
Document (PDF) (97 KB PDF).

February 27, 1989. Review. 8 Page(s).
David Warburton. Ecological Effects Branch.
Reg. No. 89-MT-04. Counter 5G (Terbufos).
Section 18 Use on Rape and Mustard in Triangle Region of Montana.
Document (PDF) (106 KB PDF).

March 02, 1989. Memorandum. 2 Page(s).
Michael Firestone. Non-Dietary Exposure Branch.
Registration of a New Granular Terbufos Formulation (20G)
- Evaluation of Worker Exposure (HED Project No. 9-0862).
Inert ingredient information on page 1 is not included.
Document (PDF) (92 KB PDF).

May 16, 1989. Review. 7 Page(s).
David Warburton. Ecological Effects Branch.
Reg. No. 89-MN-05. Counter 5G. Proposed Section 18 for Use on Rape.
Document (PDF) (68 KB PDF).
Attachment(s) Following:

February 28, 1989. Letter. 1 Page(s).
David Noetzel. University of Minnesota.
Re: Request for Counter 5G Section 18 or Section 24C
Label for Control of Flea Beetle on Canola (Rape).

*End of Attachments*

June 09, 1989. Note. 19 Page(s).
Dave Warburton. Ecological Effects Branch.
Section 18 Special Exemptions for Use of Terbufos on Rape and Mustard in North
Dakota and Montana, 1989. Inert ingredient information on page 11 is not included.
Document (PDF) (315 KB PDF).

June 29, 1989. Review. 10 Page(s).
Ed Fite. Ecological Effects Branch.
105001. Terbufos.
Submission of Revised Level II Terrestrial Field Study Protocol for Corn Use.
Document (PDF) (76 KB PDF).

July 07, 1989. Review. 4 Page(s).
Ed Fite. Ecological Effects Branch.
105001. Terbufos. Registrant Response to FRSTR.
Document (PDF) (35 KB PDF).

July 25, 1989. Memorandum. 1 Page(s).
Jim Ackerman. Ecological Effects Branch.
Duplicate Request for Review of American Cyanamid's Response to FRSTR.
Document (PDF) (12 KB PDF).

September 19, 1989. Memorandum. 9 Page(s).
W. T. Chin. Dietary Exposure Branch.
ID #105001: Response to Guidance for Terbufos Reregistration Standard
Issued in Sept. 1988. (DEB #5033).
Document (PDF) (731 KB PDF).

September 26, 1989. Note to File. 3 Page(s).
Dave Warburton. Ecological Effects Branch.
Meeting Between EEB and American Cyanamid Co. Re: Status of Terrestrial Field Study
(Level II) in Corn and Data Requirements for Other Uses and Formulations of Terbufos.
Document (PDF) (61 KB PDF).
Attachment(s) Following:

September 01, 1989. Letter. 2 Page(s).
William Steller. American Cyanamid Company.
Avian Level II Studies on Counter Systemic Insecticide- Nematicide and Counter XL
Systemic Insecticide-Nematicide, EPA Reg. Nos. 241-238 and 241-314, Respectively.

September 20, 1989. Letter. 2 Page(s).
Mark Galley. American Cyanamid Company.
Counter Insecticide-Nematicide, EPA Reg. No. 241-238 and Counter
Insecticide-Nematicide, EPA Reg. No. 241-314. Agenda for the Meeting
with EEB of September 25, 1989.

*End of Attachments*

February 01, 1994. Memorandum. 8 Page(s).
George Ghali. Health Effects Division.
RfD/Peer Review Report of Terbufos..
Document (PDF) (938 KB PDF).

March 09, 1994. Memorandum. 8 Page(s).
George Ghali. Health Effects Division.
Revised RfD/Peer Review Report of Terbufos.
Document (PDF) (1121 KB PDF).

August 30, 1994. Review. 58 Page(s).
Anthony Maciorowski. Ecological Effects Branch.
List A RED for Terbufos, Case No. 0109....(page 3)... Attached is the EEB
Science Chapter for the Terbufos Reregistration Eligibility Document.
Document (PDF) (4009 KB PDF).

July 01, 1996. Memorandum. 4 Page(s).
George Ghali. Health Effects Division.
Terbufos: Reconsideration of the Reference Dose.
Document (PDF) (297 KB PDF).

July 02, 1996. Memorandum. 5 Page(s).
Mark Dow. Occupational & Residential Exposure Br.
Terbufos: American Cyanamid RED rebuttal package; DP 225034.
Document (PDF) (320 KB PDF).

October 16, 1996. Memorandum. 2 Page(s).
Elizabeth Doyle. Science Analysis Branch HED.
Terbufos. American Cyanamid's Acute Dietary Risk Analysis Using the Tier III
"Monte Carlo" Exposure Model.
Document (PDF) (132 KB PDF).

December 20, 1996. Memorandum. 6 Page(s).
Christina Swartz. Risk Characterization & Analysis Branch.
Terbufos. HED Response to the American Cyanamid Rebuttal to the HED Chapter of the RED.
Document (PDF) (479 KB PDF).

September 25, 1997. Memorandum. 4 Page(s).
Jess Rowland. Science Analysis Branch HED.
Terbufos - FQPA Requirement - Report of the Hazard Identification Assessment Review Committee.
Tox review 012327.
Document (PDF) (271 KB PDF).

September 30, 1997. Memorandum. 9 Page(s).
James Breithaupt. Environmental Fate & Ground Water Branch.
Drinking Water Assessment for Terbufos.
Document (PDF) (619 KB PDF).

November 20, 1997. Memorandum. 61 Page(s).
William Wassell. Health Effects Division.
PP#8E3574; Human Health Risk Assessment for Terbufos in/on Coffee (Tolerances Expire 12/15/97).
Document (PDF) (3592 KB PDF).
Attachment(s) Following:

October 17, 1995. Memorandum.
Deborah McCall. Risk Characterization & Analysis Branch.
The Revised HED Chapter of the Reregistration Eligibility
Decision Document (RED) for Terbufos, Case #0109 DRES, TAS page 52.

*End of Attachments*

March 04, 1998. Memorandum. 5 Page(s).
Jeffrey Dawson. Reregistration Branch 1 HED.
Current ORE Issues Related to Terbufos... RED Status [Occupational and Residential Exposure].
Document (PDF) (298 KB PDF).

March 19, 1998. Memorandum. 4 Page(s).
William Hazel. Reregistration Branch 1 HED.
Terbufos. List A Reregistration Case No. 0109/Chemical... Anticipated Residue Assessment.
No MRID No. DP D244268.
Document (PDF) (261 KB PDF).

March 27, 1998. Memorandum. 2 Page(s).
Elizabeth Doyle. Chemistry & Exposure Branch.
Review of Acute Probabilistic Assessment "Dietary Exposure and Risk Assessment
for Terbufos residues in/on Bananas, Coffee, Field Corn, Sweet Corn, Sugar Beets,
Sorghum, and Drinking Water" in Support of the Reregistration...
Document (PDF) (107 KB PDF).

April 03, 1998. Memorandum. 8 Page(s).
Christina Swartz. Reregistration Branch 1 HED.
Terbufos. list A Reregistration Case No. 0109/Chemical ID... Chronic Dietary Risk
Analysis Based on the 3/19/98 Anticipated Residues. No MRID #. DP Barcode No. D244364.
Document (PDF) (471 KB PDF).

April 06, 1998. Memorandum. 3 Page(s).
William Hazel. Reregistration Branch 1 HED.
Terbufos HED RED Chapter. Update to Incorporate FQPA Considerations.
Document (PDF) (257 KB PDF).

July 28, 1998. Memorandum. 6 Page(s).
David Farrar. Environmental Risk Branch.
Terbufos: EFED understanding of tasks and needs related to the American Cyanamid rebuttals.
Document (PDF) (382 KB PDF).

October 01, 1998. Memorandum. 34 Page(s).
David Farrar. Environmental Risk Branch.
Terbufos: Response to American Cyanamid Co. comments on the 1996 RED draft.
Document (PDF) (2595 KB PDF).

November 13, 1998. Letter. 1 Page(s).
Pamela Noyes. SRRD.
To: John J. Wrubel American Cyanamid Company Enclosed for
your information are comment responses and chapter updates.
Document (PDF) (3969 KB PDF).
Attachment(s) Following:

November 04, 1998. Memorandum. 67 Page(s).
David Farrar. Environmental Risk Branch.
Terbufos: Updated RED chapter addressing Am. Cyanamid comments.

*End of Attachments*

December 14, 1998. Letter. 14 Page(s).
Robert McNally. SRRD.
To: John J. Wrubel American Cyanamid Company (HIARC's) report concerning
the evaluation of the acute rat oral neurotoxicity study for terbufos.
Document (PDF) (1045 KB PDF).
Attachment(s) Following:

November 06, 1998. Memorandum.
Elizabeth Mendez. Reregistration Branch 1 HED.
Terbufos: Review of an Acute Oral Neurotoxicity Study in Rat
MRID 44672003. Tox review 012965.

November 23, 1998. Memorandum.
Elizabeth Mendez. Reregistration Branch 1 HED.
TERBUFOS - Report of the Hazard Identification Assessment Review Committee
Tox review 012993.

*End of Attachments*

January 20, 1999. Memorandum. 46 Page(s).
Christina Swartz. Health Effects Division.
Terbufos. List A Reregistration Case No. 0109... Revised Probabilistic (Monte Carlo)
Dietary Exposure Analysis and Supporting Documentation; Revised Chronic Dietary
Exposure and Risk Analysis. MRID No. 44629301.
Document (PDF) (2236 KB PDF).

February 18, 1999. Memorandum. 12 Page(s).
Christina Swartz. Health Effects Division.
Terbufos. List A Reregistration Case No. 0109... Revised Probabilistic (Monte Carlo)
Acute Dietary Exposure and Risk. No MRID#.
Document (PDF) (509 KB PDF).

July 20, 1999. Memorandum. 17 Pages.
Linda Taylor. Reregistration Branch I.
TERBUFOS: Subchronic Neurotoxicity Study. DP Barcode: D256766.
MRID No. 44842302. Tox review No. 013572.
Document (PDF) (828 KB PDF).

August 05, 1999. Memorandum. 3 Page(s).
David Farrar. Environmental Fate & Effects Branch.
Terbufos: Response to material submitted for the docket by Martha Philbeck,
and related material.
Document (PDF) (190 KB PDF).

August 06, 1999. Memorandum. 8 Page(s).
Brenda Tarplee. Health Effects Division.
TERBUFOS - Report of the FQPA Safety Factor Committee Tox review 013616.
Document (PDF) (526 KB PDF).

August 20, 1999. Memorandum. 5 Page(s).
David Farrar. Environmental Fate & Effects Branch.
Terbufos: Responses to Comments from American Cyanamid Co. submitted Feb. 16, 1999;
Updated characterization of Terbufos aquatic incidents.
Document (PDF) (402 KB PDF).

August 23, 1999. Memorandum. 9 Page(s).
Jerome Blondell. Chemistry & Exposure Branch.
Terbufos Incident Review.
Document (PDF) (572 KB PDF).

August 26, 1999. Memorandum. 17 Page(s).
Linda Taylor. Health Effects Division.
TERBUFOS: Toxicology Chapter for RED Tox review 013700.
Document (PDF) (1427 KB PDF).

August 26, 1999. Memorandum. 22 Page(s).
Christina Swartz. Health Effects Division.
Terbufos. List A Reregistration Case No. 0109... Revised Acute and Chronic Dietary
Exposure Analyses for the HED Revised Risk Assessment. No MRID #. DP D258668.
Document (PDF) (1157 KB PDF).

August 26, 1999. Memorandum. 65 Page(s).
Jeffrey Dawson. Health Effects Division.
The Revised Occupational and Residential Exposure aspects of the HED Chapter
of the Reregistration Eligibility Decision Document (RED) for Terbufos.
Document (PDF) (5317 KB PDF).

August 26, 1999. Memorandum. 79 Page(s).
David Farrar. Environmental Fate & Effects Branch.
Terbufos: Revised EFED RED Chapter; Revision of Fate and Transport and Water Resources.
Document (PDF) (4710 KB PDF).

August 30, 1999. Memorandum. 19 Page(s).
Linda Taylor. Health Effects Division.
TERBUFOS: Comprehensive Report of the Toxicology Endpoints Selection - Report of
the Hazard identification Assessment Review Committee (HIARC). Tox review 013704.
Document (PDF) (1438 KB PDF).

August 30, 1999. Memorandum. 27 Page(s).
Pam Noyes. SRRD.
Response to Public Comments on the Preliminary Risk Assessments for the Organophosphate Terbufos.
Document (PDF) (2103 KB PDF).

August 31, 1999. Memorandum. 6 Page(s).
Donald Atwood. Herbicide & Insecticide Branch.
Final Usage Analysis for terbufos RED.
Document (PDF) (462 KB PDF).

September 02, 1999. Risk Assessment. 26 Page(s).
William Hazel. Chemistry Branch II.
Human Health Risk Assessment, Terbufos.
Document (PDF) (2269 KB PDF).

May 29, 2002. Memorandum. 4 Pages.
Kathleen Raffaele. RAB3.
D281332: Terbufos (PC Code 105001) Review of Comparative Cholinesterase Study Protocols.
TXR #0050526.
Document (PDF) (152 KB PDF).

September 28, 2005. Memorandum. 30 Pages.
Paul Chin. Reregistration Branch I.
TERBUFOS: REVIEW OF DEVELOPMENTAL NEUROTOXICITY STUDY.
DP BARCODE: D300180. TXR#: 0052438. MRID No. 46214301.
Document (PDF) (1228 KB PDF).

February 20, 2008. DER. 21 Pages.
Paul Chin. Reregistration Branch I.
DATA EVALUATION RECORD BAS 316 I (TERBUFOS) NON-GUIDELINE
STUDY TYPE: RANGE-FINDING - DEVELOPMENTAL NEUROTOXICITY
MRID 46240802. TXR#: 0052717. DP BARCODE: D 305170.
Document (PDF) (746 KB PDF).

March 19, 2008. Memorandum. 42 Pages.
Paul Chin. Reregistration Branch I.
Terbufos - Reviews of the Following Toxicity Studies. Study of the effects on
cholinesterase levels in juvenile and young adult Wistar rats (age sensitivity study)
(MRID 46247601)...(MRID 46240802)...(MRID 46240801). TXR #0052717. DP No.: D305170.
Document (PDF) (2371 KB PDF).

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