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EPA has produced a vast collection of science-related documents to support pesticide registration decisions. Below you will find a subset of documents that, generally, have been requested by the public through the Freedom of Information Act (FOIA) process. Each of these documents has been reviewed to ensure that any proprietary information is not included.

If you wish to obtain a document that is not currently posted, you may do so by filing a FOIA request.

   
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  • 1 - 44 of 44
DateTitleAuthorOrganizationMRID
-Effects Determination for Metolachlor/S-Metolachlor and the Delta Smelt and California Tiger Salamander
 Additional ES Files Additional ES Files (California Red-legged Frog and other California Listed Species)
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-The RfD/ Peer Review Meeting for alpha-Metolachlor ... New chemical. This chemical requires RfD and developmental toxicity assessments. Mutagenicity studies have been given to Nancy McCarroll for review. (PDF, 105 pp, 5MB)
 Additional Files Attachments
S. DapsonHealth Effects Division-
-Clarification on the Status of Environmental Fate Data for Metolachlor & s-Metolachlor as Stated in Previous Agency Review(D236884) of Registrant's(Novartis) Rebuttal Comments to EFGWB Review(April 22, 1997) for Metolachlor & s-Metolachlor (MRID 44303502) (PDF, 30 pp, 2MB)Kevin CostelloEnvironmental Risk Branch44303502
10/21/2008S-Metolachlor/PC Code 108800/Sygenta Crop Protection, Inc. DACO 7.4.5/OPPTS 860.1520/OECD IIA 6.5.4 and IIIA 8.5 Processed Food and Feed � Aspirated Grain Fractions (Soybean). DP Barcode 332847. MRID No. 46829502. (PDF, 9 pp, 184K)Dennis McNeillyRAB2-
10/21/2008S-Metolachlor/PC Code 108800/Sygenta Crop Protection, Inc. DACO 7.4.5/OPPTS 860.1520/OECD IIA 6.5.4 and IIIA 8.5 Processed Food and Feed � Aspirated Grain Fractions (Sorghum). DP Barcode 332848. MRID No. 46829503 (PDF, 8 pp, 190K)Dennis McNeillyRAB2-
10/21/2008S-Metolachlor/PC Code 108800/Sygenta Crop Protection, Inc. DACO 7.4.1/7.4.2/OPPTS 860.1500/OECD IIA 6.3.1, 6.3.2, 6.3.3 and IIIA 8.3.1, 8.3.2, 8.3.3 Corp Field Trial/Residue Decline - Corn, field. MRID No. 46829504. (PDF, 16 pp, 1MB)Dennis McNeillyRAB246829504
10/21/2008DACO 7.4.1/7.4.2/OPPTS 860.1500/OECD IIA 6.3.1,6.3.2, 6.3.3 and IlIA 8.3.1, 8.3.2, 8.3.3 Crop Field Trial/Residue Decline - Soybean. MRID No. 47304702. DP Barcode No. 350942. (PDF, 13 pp, 900K)Dennis McNeillyRAB2-
08/27/2004DACO 7.4.1/OPPTS 861.1500/OECD IIA 6.3.1. 6.3.2, 6.3.3 and IIIA 8.3.1, 8.3.2. 8.3.3. Crop Field Trial - Fruiting Vegetables Crop Group. S-Metolachlor-Magnitude of the Residues In or On Representative Commodities of Crop Group 8...MRID No. 46046501 (PDF, 15 pp, 778K)Douglas DotsonRegistration Action Branch 246046501
06/03/2004STUDY ID 46224201; 46224202. 2001 S-metolachlor Monitoring Data for Community Water Systems in 29 States. 2002 S-metolachlor Monitoring Data for Community Water Systems in 43 States. DP Barcode D301593. MRID Nos. 46224201 and 46224202 (PDF, 15 pp, 978K)Mark CorbinEnvironmental Risk Branch I46224201... [More]
08/15/2003S-Metolachlor; Confined Accumulation in Rotational Crops; Lettuce, Radish & Wheat; OPPTS 860.1850. MRID No. 45672302. (PDF, 33 pp, 1MB)Sherrie KinardReregistration Branch45672302
08/15/2003S-Metolachlor. Information Supporting the Assertion That the Metabolism of s-Metolachlor is Essentially Similar as for the Racemic Mixture. DP Barcode: D278742 and D279110 MRID Nos.: 45499603, -04, -05, 45533103. (PDF, 98 pp, 5MB)Sherrie KinardReregistration Branch II HED45499603... [More]
03/10/2003Small-Scale Prospective Ground Water Monitoring Study for Herbicide s-Metolachlor at a Worst-Case Vulnerable Site in the Midwestern United States. DP Barcode D278934 MRID 45533101 (PDF, 7 pp, 441K)Mark CorbinEnvironmental Risk Branch I45533101
05/23/2002Metolachlor (PC Code 108801) & S-Metolachlor (PC Code 108800); HED's Response to Comments Submitted During 30-Day Registrant Comment period. DP Barcode D282607. (PDF, 16 pp, 562K)Christine JarvisReregistration Branch-
05/22/2002Revised Metolachlor/ s-Metolachlor TRED: Estimated Drinking Water Concentrations for Metolachlor/ s-Metolachlor and its Degradation Products for Use in Human Health Dietary Risk Assessment. (PDF, 145 pp, 8MB)Mark CorbinEnvironmental Fate & Ground Water Branch-
05/17/2002Environmental Fate and Effects Division Response to Comments made by Syngenta on EFED's Drinking Water Assessment for Metolachlor/ s-Metolachlor. (PDF, 14 pp, 1MB)Mark CorbinEnvironmental Fate and Effects Division-
02/28/2002Metolachlor/ S-Metolachlor Residue Chemistry Chapter for the Tolerance Reassessment Eligibility Decision (TRED); PC Codes 108801 and 108800; DP Barcode D274328; Case 0001. (PDF, 99 pp, 4MB)Sherrie KinardReregistration Branch II-
02/28/2002S-Metolachlor. OPPTS 860.1520: Processed Food/Feed Study on/in Soybeans; PC code 108800; Rereg. Case 0001; DP Barcode D280215; MRID No. 44516802. (PDF, 100 pp, 3MB)Sherrie KinardReregistration Branch II-
02/28/2002Review of Documents Related to the Equivalency of Racemic Metolachlor (Metolachlor) and S-Metolachlor for Environmental Fate and Ecotoxicity. (PDF, 126 pp, 5MB)Mark CorbinEnvironmental Risk Branch-
01/29/2002Metolachlor TRED: Estimated Drinking Water Concentrations for Metolachlor & its Degradation Products for Use in the Human Health Drinking...DP Barcodes D248805, D228814, D258820, D258817, D258824, D258822,D258812, D259119, D259037 & D2590349. (PDF, 121 pp, 7MB)Mark CorbinEnvironmental Risk Branch I-
12/04/2001Toxicology Chapter for Metolachlor/S-Metolachlor. PC Code: 108801/108800 DP Barcode: D274326 (PDF, 66 pp, 3MB)Virginia DobozyReregistration Branch I HED-
07/25/2001Metabolism - rat; [OPPTS 870.7485 (Sec. 85-1)]. MRID No. 44491402. Registration data removed from pages 16-25. (PDF, 25 pp, 1MB)Ghazi DannanRegistration Action Branch44491402
04/25/2001CGA-51202; (Metolachlor OA)(Degradate of Metolachlor); Subchronic Oral Toxicity Feeding - Rat [OPPTS 870.3100 82-3)]. MRID No. 44929509. (PDF, 12 pp, 565K)Virginia DobozyReregistration Branch44929509
04/25/2001Developmental Toxicity - Rat; OPPTS 870.3700 (Sec. 83-3a). Metolachlor OA (CGA-51202 Technical). MRID No. 44929510. (PDF, 12 pp, 616K)Virginia DobozyReregistration Branch44929510
04/25/2001Developmental Toxicity - Rat; [870.3700 (Sec. 83-3a)]. Metolachlor ESA (CGA-354743 Technical). MRID No. 44931711. (PDF, 13 pp, 587K)Virginia DobozyReregistration Branch44931711
04/25/2001CGA-354743 Subchronic Oral Toxicity Feeding - Rat [OPPTS 870.3100 (Sec. 82-1a)]. MRID No. 44931710. (PDF, 14 pp, 813K)Virginia DobozyReregistration Branch44931710
04/25/2001CGA-354743 (Metolachlor ESA)(Metabolite of Metolachlor); Subchronic Oral Toxicity Feeding - Dog [OPPTS 870.3150 (Sec. 82-1b)]. MRID No. 44931709. (PDF, 18 pp, 1MB)Virginia DobozyReregistration Branch44931709
01/08/2001Subchronic Oral Toxicity STudy - Rat. [OPPTS 870.3100 (Sec. 82-1a)]. MRID No. 44775402. (PDF, 15 pp, 896K)William GreearRegistration Action Branch44775402
08/29/2000Consideration of Novartis' Document "Comments on 'Equivalency of Pesticides Metolachlor and S-Metolachlor with Respect to Ground Water Contamination'" (PDF, 5 pp, 368K)Kevin CostelloEnvironmental Risk Branch-
08/17/2000Agency Review of Registrant's (Novartis) Rebuttal Comments to the EFGWB Review (April 22, 1997) for Metolachlor and s-Metolachlor (MRID 44303502) and... 'Equivalency of Pesticides Metolachlor and s-Metolachlor with Respect to Ground Water Contamination' (PDF, 25 pp, 1MB)Kevin CostelloEnvironmental Risk Branch44303502
05/16/2000Review of Avian Reproduction and Chronic Aquatic Studies for s-Metolachlor (PC Code 108800) submitted under Barcode 262736 and Submission # S574334. MRID 44995901, -02, 03. (PDF, 70 pp, 4MB)Brian MontagueEnvironmental Risk Branch44995901... [More]
05/15/2000FRESHWATER FISH EARLY LIFE-STAGE TEST GUIDELINE 72-4. S-Metolachlor (CGA-77102): Early Life-Stage Toxicity Test with Fathead Minnow (Pimephales promelas). MRID No.: 449959-03. DP Barcode: D262736 (PDF, 14 pp, 654K)Brian MontagueEnvironmental Fate & Effects Division44995903
08/30/1999Review of Honeybee Toxicity Studies with Metolachlor and s-Metolachlor isomer. MRID 44718401, -02. (PDF, 12 pp, 680K)Brian MontagueEnvironmental Risk Branch44718401... [More]
06/11/1999Review of "Absorption Distribution, and Excretion of [Phenyl-U-14C] CGA-77102 in the Rat." Metabolism - rat [OPPTS 870.7485 (Sec. 85-1)]. MRID No. 44491401. (PDF, 12 pp, 853K)Ghazi DannanRegistration Action Branch III44491401
01/20/1999Novartis Response Regarding Outstanding Ecological Effects Data requirements for s-Metolachlor & Proposed Timetable for Completion. (PDF, 2 pp, 154K)Brian MontagueEnvironmental Risk Branch-
02/06/1998CGA-77102 Technical; EPA Registration No. 100-815; Dual Magnum Herbicide; EPA Registration No. 100-816; Your Letter Dated January 20, and January 29, 1998, Request for Conditional Registration without Expiration Date. (PDF, 3 pp, 128K)Joanne MillerHebicide Branch-
02/05/1998Eco Data Requirements for alpha-Metolachlor (PDF, 2 pp, 87K)Kevin CostelloEnvironmental Risk Branch-
09/04/1997Alpha-Metolachlor: Review of Bridging Data Studies & Acute Toxicity Studies With Formulations. RD removed pp. 184-188. MRID Nos. 439284-04 thru-08,439285-03 thru-08,439289-15 thru-25,439283-03 thru-08,441268-02 thru-07,441722-03 thru-10,441280-03 thru-08 (PDF, 431 pp, 24MB)Stephen DapsonChemistry Branch II43928303... [More]
07/16/1997RfD/Peer Review Report of Alpha-Metolachlor Tox review 012279 (PDF, 9 pp, 740K)George GhaliHealth Effects Division-
04/22/1997To review bridging environmental fate data (soil photolysis, mobility, aerobic soil metabolism, unaged leaching, adsorption/desorption, and aged soil column leaching) submitted in support of registration. MRID 43928935 thru -38. (PDF, 149 pp, 3MB)
 Additional Files Attachments
Paul MastradoneEnvironmental Fate & Ground Water Branch43928935... [More]
04/11/1997Reg. File 100-815. Review toxicity data on CGA-77102, chiral metolachlor, an isomer of metolachlor (108800). Determine if chiral metolachlor is similar toxicologically to metolachlor MRID 43928906 thru -13, -29 thru 33. (PDF, 5 pp, 336K)Daniel RiederEcological Effects Branch43928906... [More]
03/13/1997DATA EVALUATION RECORD ACUTE LC50 TEST WITH AN ESTUARINE/MARINE SHRIMP 72-3(c). The Acute Toxicity of CGA-77102 Technical to Mysidopsis bahia (Bay Shrimp). MRID No.: 439289-13. DP Barcode: D223753 and D223769 (PDF, 9 pp, 588K)Allen VaughanOPP/EPA-
11/15/1996PP #: None; Replacement of Metolachlor Technical (Racemic Metolachlor) with Alpha-Metolachlor (Formerly Called Chiral Metolachlor) Technical; Review of Bridging Data... MRID 439289-01, -02, 03, 39, 40, 41, 42. ID #: 000100-IRL (000100-815). (PDF, 84 pp, 4MB)Linda KutneyChemistry Branch43928901... [More]
09/17/1996New Chemical Screen for Environmental Fate Data for the Metolachlor Stereoisomer CGA-77102 ... Pages 20-61, 68-84, 92-114, 122-151 removed, registrant data MRID 43928935 thru 43928038. (PDF, 151 pp, 4MB)James HetrickEnvironmental Fate & Ground Water Branch43928935... [More]
04/03/1996D223753 and D223769 - - New chemical screen for CGA- 77102 [a metolachlor isomer also known as Dual Magnum Herbicide] -- (Chemical Code: 108800). MRID 439289-06 through -13 and -29 through -33. (PDF, 132 pp, 7MB)Anthony MaciorowskiEcological Effects Branch43928906... [More]
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