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Index of Cleared Science Reviews for MSMA/MAA (Pc Code 013803)

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March 29, 1966. Review. 3 Page(s).
R. E. Ney. Efficacy & Ecological Effects Branch.
Evaluation of Data for Registration for MSMA. Application of December 1, 1965, by
the Ansul Company. Registration Number 6308-18.
Document (PDF) (196 KB PDF).

February 17, 1969. Review. 3 Page(s).
R. E. Ney. Efficacy & Ecological Effects Branch.
Evaluation of Pesticide Petition No. 9F0794 for Methanearsonic acid. Submitted by
National Agricultural Chemicals Association. Filed January 29, 1969.
Document (PDF) (159 KB PDF).

August 17, 1971. Review. 2 Page(s).
J. A. Shaughnessy. Efficacy & Ecological Effects Branch.
Review of Environmental Data Submitted by Ansul to Support Non-Food Uses. Inert
ingredient information on page 1 is not included.
Document (PDF) (76 KB PDF).

April 05, 1974. Review. 2 Page(s).
J. W. Akerman. Ecological Effects Branch.
Probe Plus (Probe + MSMA). Temp. Permit 876-EXP-4.
Document (PDF) (89 KB PDF).

September 06, 1974. Review. 2 Page(s).
J. W. Akerman. Ecological Effects Branch.
Ansar 529 H.C. Herbicide. MSMA.
Document (PDF) (120 KB PDF).

October 02, 1974. Review. 1 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Environmental Chemistry Evaluation for Methanearsonic acid (Ansar 529).
PP #3F1357. Ansul Company.
Document (PDF) (59 KB PDF).

October 21, 1974. Review. 5 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Environmental Chemistry Evaluation for Monosodium methanearsonate (MSMA).
Petition No. 3F1357. Reg. No. 6308-29. Ansul Company.
Document (PDF) (452 KB PDF).

December 06, 1974. Review. 4 Page(s).
J. W. Akerman. Ecological Effects Branch.
Ansar 529. MSMA. Inert ingredient information on page 2 is not included.
Document (PDF) (242 KB PDF).

January 17, 1975. Review. 3 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Environmental Chemistry Review for Monosodium methanearsonate (MSMA).
PP #3G1357. Reg. No. 6308-EXP. The Ansul Company. Submitted: January 1973.
Document (PDF) (194 KB PDF).

January 17, 1975. Review. 3 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Environmental Chemistry Review for Monosodium methanearsonate. PP #5G1570.
Reg. #6308-EXP. The Ansul Company. Submitted: October, 1974.
Document (PDF) (203 KB PDF).

March 13, 1975. Memorandum. 1 Page(s).
Reto Engler. Toxicology Branch.
Methanearsonic acid (Herbicide). Pesticide Petition: 5G1570.
Registration: 6308-EXP-X.
Document (PDF) (60 KB PDF).

November 03, 1976. Review. 5 Page(s).
Ronald Ney. Efficacy & Ecological Effects Branch.
Reg. Nos. 6308-29, -60, -77. Tank Mixes...MSMA, Methazole.
Document (PDF) (357 KB PDF).

November 12, 1976. Review. 2 Page(s).
R. W. Felthousen. Efficacy & Ecological Effects Branch.
Reg. Nos. 6308-77, -29, -60. Ansar (MSMA). Registration for Tank Mix with Probe.
Document (PDF) (84 KB PDF).

June 24, 1980. Memorandum. 6 Page(s).
Sherell Sterling. Fungicide Herbicide Branch.
Ansar 529 H.C. Herbicide. EPA Registration No. 677-344. Pages 3-6 are not
included - draft label.
Document (PDF) (116 KB PDF).

June 25, 1980. Memorandum. 6 Page(s).
Sherell Sterling. Fungicide Herbicide Branch.
Ansar 170 H.C. Herbicide. EPA Registration No. 677-351. Pages 3-6 are not
included - draft label.
Document (PDF) (133 KB PDF).

June 25, 1980. Memorandum. 6 Page(s).
Sherell Sterling. Fungicide Herbicide Branch.
Ansar 170 Herbicide. EPA Registration No. 677-339. Pages 3-6 are not included -
draft label.
Document (PDF) (166 KB PDF).

June 25, 1980. Memorandum. 6 Page(s).
Sherell Sterling. Fungicide Herbicide Branch.
Ansar 529 Herbicide. EPA Registration No. 677-340. Pages 3-6 are not included -
draft label.
Document (PDF) (103 KB PDF).

September 09, 1980. Review. 3 Page(s).
Daniel Rieder. Ecological Effects Branch.
Reg. No. 9779-133 (MS-800042). Riverside 912 Herbicide. Proposed State
Registration of Forest Site Preparation at 6# a.i./A, Presently Registered at 4.44#
a.i./A.
Document (PDF) (187 KB PDF).

December 17, 1980. Memorandum. 3 Page(s).
William Dykstra. Toxicology Branch.
EPA Reg. #677-350; Methanearsonic acid; Miscellaneous Data. Caswell #549A;
Accession #243449-55. Tox Review 001353.
Document (PDF) (140 KB PDF).

May 13, 1981. Memorandum. 7 Page(s).
William Dykstra. Toxicology Branch.
EPA Reg. #655-231; Methanearsonic acid (MAA); 2-year Chronic/Oncogenic Rat
Feeding Study. Caswell #549A; Accession #244061-067. Tox review 001352.
Document (PDF) (381 KB PDF).

June 16, 1981. Memorandum. 3 Page(s).
William Dykstra. Toxicology Branch.
EPA Reg. #677-269; Methanearsonates; Addendum (Pathology) to 2-Year Rat
Feeding Study. Caswell #549A. Accession #245234.
Document (PDF) (108 KB PDF).

February 23, 1982. Review. 8 Page(s).
William Rabert. Ecological Effects Branch.
IBT Data Gap Evaluation Form - MSMA.
Document (PDF) (359 KB PDF).

May 03, 1982. Memorandum. 8 Page(s).
Deloris Graham. Fungicide Herbicide Branch.
EPA File Symbol 538-RTI. Summer Crabgrass Control. Pages 4-8 removed, draft
label. Tox review 002820.
Document (PDF) (223 KB PDF).

May 26, 1982. Memorandum. 5 Page(s).
William Dykstra. Toxicology Branch.
Methanearsonates; EPA Reg. #677-267; Miscellaneous Data; Company Response
to Toxicology Branch Questions. Caswell #549A; Accession #247264, -265.
Document (PDF) (272 KB PDF).

July 29, 1982. Memorandum. 7 Page(s).
Deloris Graham. Fungicide Herbicide Branch.
EPA File Symbol 38167-R. Bladex-MSMA Herbicide. Acute toxicology studies.
Acc. 247705. MRID 105170 thru 105174. Tox review 005395.
Document (PDF) (206 KB PDF).

August 09, 1982. Review. 16 Page(s).
Samuel Creeger. Environmental Fate Branch.
Applicator Exposure Studies with MSMA.
Document (PDF) (504 KB PDF).

April 18, 1983. Memoandum. 1 Page(s).
William Burnam. Toxicology Branch.
83-LA-04, Section 18 Request for Use of Monosodium Methanearsonate (MSMA) on
Sugarcane. Caswell Nos. 582, 549A.
Document (PDF) (583 KB PDF).
Attachment(s) Following:

March 14, 1983. Memorandum. 6 Page(s).
Bertram Litt. Toxicology Branch.
Methanearsonic acid, Risk Assessment for Carcinogenicity.

March 31, 1983. Memorandum. 3 Page(s).
Richard Loranger. Residue Chemistry Branch.
83-LA-04. Section 18 Request for Use of Monosodium Methanearsonate
(MSMA) on Sugarcane.

*End of Attachments*

August 15, 1983. Memorandum. 1 Page(s).
William Dykstra. Toxicology Branch.
Methanearsonates; Data Call-In. Caswell No. 549A.
Document (PDF) (43 KB PDF).

May 25, 1984. Memorandum. 1 Page(s).
Robert Zendzian. Toxicology Branch.
Monosodium methanearsonate. Review of Protocols, Chronic, Oncogenic and
Teratogenic Studies.
Document (PDF) (60 KB PDF).

October 16, 1984. Memorandum. 2 Page(s).
Lynn M. Bradley. Residue Chemistry Branch.
Monosodium methanearsonate as Representative Test Material for All
Methanearsonates in Toxicological Testing Required by Data Call-In Notice.
Document (PDF) (126 KB PDF).

October 19, 1984. Memorandum. 4 Page(s).
Deloris Graham. Fungicide Herbicide Branch.
EPA File Symbol 38167-E. Bladex - MSMA Post Emergent Herbicide. Acute
toxicology studies... Acc. 253332 and 254808. MRID 145491 thru 145496.
Tox review 006472.
Document (PDF) (240 KB PDF).

November 30, 1984. Memorandum. 1 Page(s).
Christine Chaisson. Toxicology Branch.
Monosodium Methanearsenate Data Call-In Review proposal for using MSMA as
technical material for toxicology studies.
Document (PDF) (45 KB PDF).

May 10, 1985. Review. 2 Page(s).
Samuel Creeger. Exposure Assessment Branch.
Waiver Request.
Document (PDF) (83 KB PDF).

December 05, 1986. Review. 18 Page(s).
Herbert Manning. Exposura Assessment Branch.
Ground Water Data Call-In.
Document (PDF) (1240 KB PDF).

January 04, 1987. Review. 18 Page(s).
Herbert Manning. Exposura Assessment Branch.
Ground Water Data Call-In.
Document (PDF) (1352 KB PDF).

February 24, 1987. Memorandum. 2 Page(s).
Roger Gardner. Toxicology Branch.
Amended Protocol for a Mouse Oncogenicity Study on MSMA. Tox Chem. No. 582;
Tox Project No. 7-0328.
Document (PDF) (136 KB PDF).

April 15, 1988. Transmittal. 10 Page(s).
Geri Werdig. Data Call-In Program.
MSMA/DSMA/MAA. Possible Adverse Effects in Rats.
Document (PDF) (360 KB PDF).

June 07, 1988. Memorandum. 2 Page(s).
William Burnam. Toxicology Branch.
Review of Justification for Dose Selection in New Methanearsonic acid (MAA)
Mouse Oncogenicity Study (April 28, 1988). EPA ID #013802.
Caswell Nos. 582 & 549A.
Document (PDF) (118 KB PDF).

November 07, 1989. Review. 9 Page(s).
James Akerman. Ecological Effects Branch.
Reg. No. 9779-133. 912 Herbicide. Proposed Federal Registration of Forest
Preparation Use (from Present Registered Alabama SLN). Pages 5-9 are not included
- draft label.
Document (PDF) (332 KB PDF).

December 12, 1990. DER. 3 Page(s).
Allen Vaughan. Ecological Effects Branch.
Honey bee acute contact LD50. Acc. No. 41610007.
Document (PDF) (160 KB PDF).

March 28, 1991. Review. 17 Page(s).
Christine Olinger. Chemistry Branch.
CBRS Transmittal Sheet for Phase 4 Review DEB Nos. 6974, 7462, 7463 Data
Submitter: APC Holdings (Formerly Inter Ag).
Document (PDF) (1203 KB PDF).

March 28, 1991. Review. 3 Page(s).
Christine Olinger. Chemistry Branch.
CBRS Transmittal Sheet for Phase 4 Review DEB Nos. 6974
Data Submitter: Vineland Chemical Company.
Document (PDF) (216 KB PDF).

March 28, 1991. Review. 8 Page(s).
Christine Olinger. Chemistry Branch.
CBRS Transmittal Sheet for Phase 4 Review DEB Nos. 6974
Data Submitter: Fermenta ASC Corporation.
Document (PDF) (565 KB PDF).

March 28, 1991. Review. 8 Page(s).
Christine Olinger. Chemistry Branch.
CBRS Transmittal Sheet for Phase 4 Review DEB Nos. 6974
Data Submitter: Vineland Chemical Company.
Document (PDF) (591 KB PDF).

March 28, 1991. Review. 9 Page(s).
Christine Olinger. Chemistry Branch.
CBRS Transmittal Sheet for Phase 4 Review DEB Nos. 6974, 7057
Data Submitter: Luxembourg Industries (Pamol), Ltd.
Document (PDF) (580 KB PDF).

March 28, 1991. Review. 9 Page(s).
Christine Olinger. Chemistry Branch.
CBRS Transmittal Sheet for Phase 4 Review DEB Nos. 6974, 7058, 7072, 7215
Data Submitter: Luxembourg Industries (Pamol), Ltd.
Document (PDF) (635 KB PDF).

March 28, 1991. Review. 9 Page(s).
Christine Olinger. Chemistry Branch.
CBRS Transmittal Sheet for Phase 4 Review DEB Nos. 6974, 7058, 7215
Data Submitter: Vineland Chemical Company.
Document (PDF) (633 KB PDF).

November 06, 1991. Memorandum. 27 Page(s).
Douglas Urban. Ecological Effects Branch.
Review of Non-target Terrestrial Plant Studies For the Herbicide MSMA - List B,
Phase V, Re- Registration Action. Pages 12-13, 25 removed, registrant data.
MRIDs 417055-01, -02.
Document (PDF) (2286 KB PDF).

January 13, 1992. Memorandum. 4 Page(s).
Stephen Funk. Chemistry Branch.
Reregistration of Monosodium Methanearsonate. ISK-Biotech Corp. Product
Chemistry. DP Barcode D171424. MRID Nos. 42081200, 42081201.
CBRS No. 8931. Pages 3-4 removed, product manufacturing process.
Document (PDF) (500 KB PDF).

March 09, 1992. Memorandum. 2 Page(s).
Dennis McNeilly. Chemistry Branch.
Reregistration of Monosodium Methanearsonate (MSMA). ISK-Biotech Corporation.
Product Chemistry {Guideline 61.1}. MRID 421535-01.
Document (PDF) (96 KB PDF).

March 23, 1992. Memorandum. 12 Page(s).
Steven Malish. Toxicology Branch.
Review of Toxicology Studies with Methanearsonic Acid/Methanearsonic acid,
monosodium salt to support reregistration of the test substance. MRID 420105-01,
Metabolism Study (85-1). Tox review 009374.
Document (PDF) (854 KB PDF).

March 23, 1992. Memorandum. 145 Page(s).
David Liem. Toxicology Branch.
Review Mutagenicity Studies Using Technical Methanearsonic Acid (Guidelines 84-1
and 84-2). MRID 416519-02 to 05. Tox review 009369. Pages 135-145 removed,
registrant data.
Document (PDF) (3820 KB PDF).
Attachment(s) Following:

March 23, 1992. Memorandum. Page(s).
David Liem. Toxicology Branch.
(continued) Pages 14-18, 20-27, 29-40, 53-57, 59-62, 64-74, 86-90, 92-98, 100-113,
124-128, 130-133, 135-145 removed, registrant data.

*End of Attachments*

March 25, 1992. Memorandum. 17 Page(s).
Steven Malish. Toxicology Branch.
Review of Toxicology Studies with Methanearsonic Acid to support reregistration of
the test substance. MRID 421732-01, Oncogenicity Study - mouse (83-2).
Tox review 009382.
Document (PDF) (1019 KB PDF).

April 07, 1992. Memorandum. 16 Page(s).
Christine Olinger. Chemistry Branch II.
Methanearsonate (MSMA/DSMA) Livestock Metabolism Studies; Chemical No.
13803; Case No. 2395; Branch No. 8647; MRID Nos. 420097-01 and -02;
DP Barcode No. D168990.
Document (PDF) (849 KB PDF).

April 09, 1992. Memorandum. 29 Page(s).
Doug Urban. Ecological Effects Branch.
MSMA 51% Aqueous Solution Herbicide: Review of nontarget plant studies.
DP Barcode D159519. Pages 9-13, 22-26 removed, registrant data.
MRID 417482-01, -02.
Document (PDF) (1270 KB PDF).

May 04, 1992. Memorandum. 29 Page(s).
Steven Malish. Toxicology Branch.
Review of Toxicology Studies With Methanearsonic Acid/Methanearsonic acid,
monosodium salt to support reregistration of the test substance. MRID 41669001.
Chronic toxicity/oncogenicity - rats (83-5). Tox review 009478.
Document (PDF) (2174 KB PDF).

May 11, 1992. Memorandum. 12 Page(s).
Alan Levy. Toxicology Branch.
Monosodium Acid Methanearsonate (Methanearsonic Acid) - Developmental Toxicity
Study in Rats (83-3A) MRID No.: 419264-01 Tox review 009496.
Document (PDF) (636 KB PDF).

July 01, 1992. Letter. 15 Page(s).
Barbara Briscoe. Accelerated Reregistration Branch.
To: E.M. Bellet, PhD Chemical Consultants International. Review of acute data for
monosodium methanearsonate (MSMA) and disodium methanearsonate (DMSA).
Document (PDF) (649 KB PDF).
Attachment(s) Following:

May 18, 1992. DER. Page(s).
Alan Levy. Toxicology Branch.
21-Day Dermal Toxicity Study - Rabbits (82-2) MRID 41872701.

*End of Attachments*

August 31, 1992. DER. 4 Page(s).
Daniel Rieder. Ecological Effects Branch.
Acute toxicity test for freshwater fish. Species tested: Bluegill sunfish.
MRID 416100-05.
Document (PDF) (280 KB PDF).

August 31, 1992. DER. 4 Page(s).
Daniel Rieder. Ecological Effects Branch.
Acute toxicity test for freshwater fish. Species tested: Rainbow trout.
MRID 416100-06.
Document (PDF) (296 KB PDF).

August 31, 1992. DER. 6 Page(s).
Richard Petrie. Ecological Effects Branch.
Freshwater fish flow-through acute toxicity test. Species tested: Bluegill sunfish.
MRID 417480-01.
Document (PDF) (486 KB PDF).

September 02, 1992. DER. 10 Page(s).
Rosemary Graham Mora. KBN Engineering for EEB.
Avian single dose oral LD50 Test. Bobwhite quail. Pages 5-7 removed, registrant
data. MRID 416100-02
Document (PDF) (430 KB PDF).

September 02, 1992. DER. 4 Page(s).
Henry Craven. Ecological Effects Branch.
Avian dietary LC50 test. Species tested: Bobwhite quail. MRID 416100-03.
Document (PDF) (324 KB PDF).

September 02, 1992. DER. 4 Page(s).
Mark Mossler. KBN Engineering for EEB.
Freshwater fish flow-through acute toxicity test. Species tested: Rainbow trout.
MRID 417473-01.
Document (PDF) (324 KB PDF).

September 02, 1992. DER. 5 Page(s).
Louis Ricifi. KBN Engineering for EEB.
Freshwater invertebrate static acute toxicity test. Species tested: Daphnia pulex.
MRID 419406-05.
Document (PDF) (347 KB PDF).

September 02, 1992. Review. 9 Page(s).
Douglas Urban. Ecological Effects Branch.
Phase 5 reviews for MSMA and DMSA. Company Name: Lusembourg-Pamol, Inc.
Review data, indicate status of data requirements for reregistration (data for DSMA
suffices for MSMA and vice versa, except for terrestrial plant tests)
Document (PDF) (530 KB PDF).

February 25, 1993. Memorandum. 3 Page(s).
Freshteh Toghrol. Chemistry Branch II.
Monosodium methanearsonate (MSMA) reregistration: a List B Chemical. APC
Holdings, Inc. Response to MSMA (Case No. 2395, Chemical No. 013803)
Reregistration Product Chemistry Data Requirements
(Regarding Guideline No. 61-2 & 62-1). MRID Nos. 417020-01.
Document (PDF) (328 KB PDF).

March 11, 1993. Letter. 2 Page(s).
Barbara Briscoe. Accelerated Reregistration Branch.
Review of Product Chemistry Data Submitted by APC Holdings for the
Reregistration of Monosodium Methanearsonate (MSMA). MRID 41702001, 42474101.
Document (PDF) (82 KB PDF).

April 20, 1993. Memorandum. 9 Page(s).
Steven Malish. Toxicology Branch.
Review of Toxicology Studies with MSMA to support reregistration of the test
substance. Page 9 removed, registrant data. MRID 426046-01, Acute inhalation
toxicity study (81-3).
Document (PDF) (559 KB PDF).

May 28, 1993. Memorandum. 14 Page(s).
Christina Swartz. Chemistry Branch.
Monosodium methanearsonateic (MSMA). List B Reregistration Case No. 2395.
Metabolism Studies in Cotton and Citrus (Lemon). MRID Nos. 422161-00, 422161-01,
423244-00, 423244-001, 423912-00, 423912-01.
Document (PDF) (1272 KB PDF).

May 18, 1994. Memorandum. 5 Page(s).
Christina Swartz. Chemistry Branch II.
Monosodium methanearsonate (MSMA). List B Reregistration Case No.
2395/Chemical ID No. 013803. Submission to Upgrade the Cotton Metabolism
Study. CBRS No. 12891. MRID No. 43013401.
Document (PDF) (309 KB PDF).

July 27, 1994. Memorandum. 20 Page(s).
Steven Malish. Toxicology Branch.
Carcinogenicity Peer Review of Cacodylic Acid. Tox review 011152.
Document (PDF) (2855 KB PDF).

July 27, 1994. Memorandum. 41 Page(s).
Steven Malish. Toxicology Branch.
Methanearsonic Acid: Review of a 52 Week Toxicity Study/Dog and a
Developmental Study/Rabbit. MRID 40546101, 41266401, 1593001.
Tox review 011135.
Document (PDF) (6488 KB PDF).

October 11, 1994. Memorandum. 24 Page(s).
Akiva Abramovitch. Environmental Fate & Ground Water Branch.
Review of 162-1, 162-2, 164-1 studies for registration; response to data waiver
requests. MRID No. 43314801 & 43322801.
Document (PDF) (2044 KB PDF).

October 11, 1994. Review. 49 Page(s).
Akiva Abramovitch. Environmental Fate & Ground Water Branch.
1) Review of 162-4 study, 2) protocol review, 3) response to 164-1 deficiencies
(corrections noted by [illegible] 4/4/02) Pages 14-15, 27-48 removed, registrant data.
MRID 43314801, 43322801.
Document (PDF) (2021 KB PDF).

December 08, 1994. Memorandum. 7 Page(s).
Christina Swartz. Chemistry Branch II.
Monosodium methanearsonate (MSMA); Disodium methanearsonate (DSMA);
Cacodylic acid (CA). Issues to be presented at the 12/19/94 meeting of the HED
Metabolism Committee.
Document (PDF) (462 KB PDF).

December 20, 1994. Memorandum. 46 Page(s).
Steven Malish. Toxicology Branch.
Methanearsonic Acid: Review of Multigeneration Toxicity Study/Rat.
Pages 37-46 removed, registrant data. MRID 43178301 Tox review 011368.
Document (PDF) (5318 KB PDF).

January 24, 1995. Memorandum. 13 Page(s).
Christina Swartz. Chemistry Branch II.
Monosodium methanearsonate (MSMA). List B Reregistration Case No.
2395/Chemical ID No. 013803. MAA Task Force Submission to Upgrade Ruminant
and Poultry Metabolism Studies [GRN 171-4(b)]. CBRS No. 10836.
DP Barcode No. D184346
Document (PDF) (988 KB PDF).

January 24, 1995. Memorandum. 16 Page(s).
Christina Swartz. Chemistry Branch II.
Monosodium methanearsonate (MSMA). List B Reregistration
Case No. 2395/Chemical ID No. 013803. MAA Task Force Submission to Upgrade
Ruminant & Poultra Metabolism Studies [GRN 171-4(b)]. CBRS No. 100836.
DP Barcode No. D184346.
Document (PDF) (1253 KB PDF).

January 24, 1995. Memorandum. 2 Page(s).
Christina Swartz. Chemistry Branch II.
Monosodium methanearsonate (MSMA). List B Reregistration Case No.
2395/Chemical ID No. 013803. MAA Task Force Submission of Protocols for
Ruminant and Poultry Feeding Studies. CBRS No. 13945.
DP Barcode No. D204932
Document (PDF) (142 KB PDF).

January 26, 1995. Memorandum. 3 Page(s).
Christina Swartz. Chemistry Branch II.
Monosodium methanearsonate (MSMA); Disodium methanearsonate (DSMA);
Cacodylic acid (CA). Outcome of the 12/19/94 meeting of the HED Metabolism
Committee.
Document (PDF) (159 KB PDF).

August 03, 1995. Memorandum. 11 Page(s).
Elizabeth Leovey. Environmental Risk Branch.
Aquatic data review for MSMA (D182519). Acute toxicity to Eastern Oyster.
MRID 424648-01. Pages 7-8 removed, registrant data
Document (PDF) (607 KB PDF).

August 14, 1995. Memorandum. 18 Page(s).
Andrew Bryceland. Ecological Risk Characterization Branch.
Review of data for MAA (Methanearsonic Acid) submitted by Luxembourg Industries
(Pamol), LTD. (MRID No: 424141-01 & 02; DP Barcode: D181220). Pages 7-8, 15-16
removed, registrant data. Acute Estuarine/Marine Toxicity.
Document (PDF) (1002 KB PDF).

June 05, 1996. Memorandum. 5 Page(s).
Christina Swartz. Chemistry Branch.
Monosodium Methanearsonate (MSMA). List B Reregistration Case No. 2395.
Guideline Ref. No. 171-4(d): Analytical methods for MSMA and cacodylic acid in beef
(fat, liver, muscle and kidney) and milk. MRID No. 43615901.
Document (PDF) (409 KB PDF).

May 17, 1999. Memorandum. 5 Page(s).
K. Dockter. Reregistration Branch HED.
MSMA and DSMA; EPA Reg. Nos. 42519-1 and -7... Supplemental Product
Chemistry. MRID 41602701, 42387801, 41610001, 42451102, 41602502.
Document (PDF) (304 KB PDF).

June 20, 2000. Memorandum. 21 Page(s).
K. Dockter. Reregistration Branch HED.
MSMA and DSMA... Product Chemistry Chapter for the Reregistration Eligibility
Decision (RED) Document.
Document (PDF) (997 KB PDF).

July 12, 2000. Memorandum. 10 Page(s).
Sherrie Kinard. Reregistration Branch HED.
Monosodium Methanearsonate (MSMA) & Disodium Methanearsonate (DSMA)
Reregistration. GLN#: 860-1500: Magnitude of the Residue in Citrus.
MRID Nos. 43605901 and 43683101.
Document (PDF) (713 KB PDF).

July 20, 2000. Memorandum. 7 Page(s).
Sherrie Kinard. Reregistration Branch HED.
Monosodium Methanearsonate (MSMA) Reregistration. GLN#: 860.1340:
Radiovalidation of the Analytical Method for MSMA in/on Cottonseed.
MRID 44825201.
Document (PDF) (567 KB PDF).

July 26, 2000. Memorandum. 28 Page(s).
Anna Lowit. Reregistration Banch 2.
MSMA/DSMA - Report of the Hazard Identification Assessment Review Committee.
Tox Review No. 014251.
Document (PDF) (2278 KB PDF).

August 03, 2000. Memorandum. 7 Page(s).
Brenda Tarplee. FQPA Safety Factor Committee.
MSMA/DSMA - Report of the FQPA Safety Factor Committee.
Tox Review No. 014264.
Document (PDF) (615 KB PDF).

August 25, 2000. Memorandum. 52 Page(s).
Sherrie Kinard. Reregistration Branch HED.
Residue Chemistry Chapter for the Monosodium and Disodium Salts of
Methanearsonic Acid (PC codes 013802 and 013803) Reregistration Eligibility
Decision (RED).
Document (PDF) (3090 KB PDF).

September 06, 2000. Memorandum. 9 Page(s).
Renee Sandvig. Reregistration Branch HED.
Review of "Assessment of Exposure for MSMA and DSMA"
(MRID 437204-01; DP Barcode D217733).
Document (PDF) (663 KB PDF).

September 12, 2000. Memorandum. 256 Page(s).
Anna Lowit. Reregistration Branch 2 HED.
MSMA and DSMA: Data Evaluation Records and revised executive summaries.
Tox review 014343.
Document (PDF) (13574 KB PDF).
Attachment(s) Following:

September 12, 2000. Memorandum. Page(s).
Anna Lowit. Reregistration Branch 2 HED.
(continued) MRID (DERs) 40632601, 41651902 thru 05, 43178301; (executive
summaries) 00159390, 40546101, 41669001, 41872701, 41926401, 42010501,
42173201. Pages 22-37, 65-66, 75-76, 86-90, 98-99, 134-141, 172-188, 227-221
removed, registrant data.

*End of Attachments*

September 12, 2000. Memorandum. 37 Page(s).
Anna Lowit. Reregistration Branch HED.
MSMA and DSMA - Toxicology Disciplinary Chapter for the Reregistration Eligibility
Decision. Tox review 014341.
Document (PDF) (2751 KB PDF).

September 22, 2000. Memorandum. 3 Page(s).
Ruth Allen. Chemistry & Exposure Branch.
Review of MSMA/DSMA Poisoning Incident Data; DP Barcode: D269180.
Document (PDF) (216 KB PDF).

September 27, 2000. Memorandum. 54 Page(s).
Renee Sandvig. Reregistration Branch II.
Occupational & Residential Exposure Assessment & Recommendations for the
reregistration Eligibility Decision Document for MSMA & DSMA.
MRID Nos. 44958901, 43720501 & 43720401.
Document (PDF) (3528 KB PDF).

December 19, 2000. Memorandum. 38 Page(s).
Anna Lowit. Reregistration Banch 2.
Methanearsonic Acid & its Sodium & Calcium Salts - Revised Toxicology
Disciplinary Chapter for the Reregistration Eligibility Decision.
Document (PDF) (3235 KB PDF).

May 03, 2001. Memorandum. 52 Page(s).
Sherrie Kinard. Reregistration Branch HED.
Revised Residue Chemistry Chapter for the Monosodium and Disodium Salts of
Methanearsonic Acid (PC codes 013802 and 013803) Reregistration Eligibility
Decision (RED).
Document (PDF) (3291 KB PDF).

July 31, 2001. DER. 17 Page(s).
Alex Clem. Environmental Risk Branch.
Study 1. Aerobic soil metabolism. 162-1. Pages 8-17 removed, registrant data.
MRID 44767601.
Document (PDF) (453 KB PDF).

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