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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 - 50 of 455
DateTitleAuthorOrganizationMRID
-Effects Determination for Chlorpyrifos and the California red-legged frog, Delta smelt, California tiger salamander, San Francisco garter snake, California clapper rail, Salt marsh harvest mouse, Bay checkerspot butterfly, Valley elderberry longhorn beetle, San Joaquin kit fox and California freshwater shrimp
 Additional ES Files Additional ES Files (California Red-legged Frog and other California Listed Species)
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-Effects Determination for Chlorpyrifos
 Additional ES Files Additional ES Files
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-Attached Data Evaluation Record, Chlorpyrifos: Two-Year Dietary Exposure Studies in Beagle Dogs. Tox Review 003822 excerpt (PDF, 8 pp, 461K)John QuestToxicology Branch-
-DOCUMENTATION OF APPLICATOR EXPOSURE ASSESSMENT FOR CHLORPYRIFOS REREGISTRATION ELIGIBILITY DOCUMENT - APPLICATION IN THE RESIDENTIAL ENVIRONMENT (PDF, 57 pp, 136K)David JaquithOccupational & Residential Exposure Branch-
-Evaluation of Applicator Exposure and Work Environment Impact Following Treatment of a Greenhouse with Dursban 50W (PDF, 7 pp, 313K)Curt LunchickExposure Assessment Branch-
11/06/2012Evaluation of Direct Flux Measurement of Chlorpyrifos and Chlorpyrifos-Oxon Emissions Following Applications ofLorsban Advanced Insecticide to Alfalfa (MRID 48883201) (PDF, 49 pp, 2MB)Rochelle F.H. BohatyEnvironmental Risk Branch III48883201
05/20/2011Chlorpyrifos: Review of the Comparative Cholinesterase (including chlorpyrifos oxon), special acute inhalation study and immunotoxicity studies. DP Barcode: D380055. Decision No.: 436952. TXR No.: 0055409. MRID Nos.: 48139301, 48139302, 48139303, 48139304 (PDF, 68 pp, 3MB)John DohertyRisk Assessment Branch V48139301... [More]
12/22/2010Product: Chemisco Roach Control. Reg. Number: 9688-67. Purpose: Provide efficacy data to support the addition of new marketing claims. DP Barcode: D384969. MRID: 48321301 (PDF, 4 pp, 704K)Kable Bo DavisEPA/OPP48321301
12/04/2007Non Guideline Processing Study. Processed Food and Feed - Home Cooking Studies in Various Foods. MRID No. 45619801. DP Barcode D282883. (PDF, 12 pp, 429K)David SoderbergReregistration Branch 3 HED-
09/30/2005CHEMSICO ROACH CONTROL; EPA Reg. No. 9688-67. DP Barcode: D321930. Purpose: Provide efficacy data to support deficiencies noted in an Agency efficacy review dated November 16,2004. MRID: 46615401, 46649401 (PDF, 4 pp, 794K)Kable Bo DavisEPA/OPP46615401... [More]
06/20/2000Update: Exposure Assessment for Chlorpyrifos Post Construction Termiticide Use; DP Barcode D266827, Case 818975. (PDF, 16 pp, 740K)Deborah SmegalReregistration Branch 3-
06/20/2000Occupational/Residential Handler and Postapplication Residential/Non-Occupational Risk Assessment for Chlorpyrifos. MRID: 40026001, 40094001, 43013501, 44167101, 44458201, 44444801, 44729401, 44729402, 44589001, 44739301. (PDF, 84 pp, 6MB)Deborah SmegalReregistration Branch, HED-
04/20/2000Chlorpyrifos incident review update, DP Barcode 263894, Chem. No. 059101, HED Review of MRID nos. 43480001, 44039901 44186301, 44245801, 1997 Epidemiology Panel Report, and 1995 critique of EPA's review of neuropathology allegations (PDF, 32 pp, 2MB)
 Additional Files Attachments
Jerome BlondellChemistry & Exposure Branch-
04/18/2000Toxicology Chapter for Chlorpyrifos. DP Barcode D263892, Case 818975, Submission S576466, PC Code 059101 (PDF, 53 pp, 183K)Deborah SmegalRe-Registration Branch 3 HED-
04/12/2000Occupational/Residential Handler and Postapplication Residential/Non-Occupational Risk Assessment for Chlorpyrifos. MRID: 40026001, 40094001, 43013501, 44167101, 44458201, 44444801, 44729401, 44729402, 44589001, 44739301. (PDF, 35 pp, 2MB)Deborah SmegalReregistration Branch, HED-
03/03/2000Chlorpyrifos (P.C. Code 059101) - Toxicology Data Review. MRID 44787301 & unassigned, supplement 44556901 & 44661001. Tox Review No. 014014. (PDF, 20 pp, 1MB)Susan MakrisToxicology Branch-
10/18/1999Chlorpyrifos: HED Premliminary Risk Assessment for the Reregistration Eligibility Decision (RED) Document. (PDF, 67 pp, 3MB)Deborah SmegalRe-Registration Branch 3 HED44209101... [More]
10/05/1999Occupational/Residential Handler and Postapplication Residential Risk Assessment for Chlorpyrifos. MRID: 40026001, 40094001, 43013501, 44167101, 44458201, 44444801, 44729401, 44729402, 44589001, 44739301. (PDF, 55 pp, 4MB)Deborah SmegalReregistration Branch, HED-
09/28/1999Toxicology Chapter for Chlorpyrifos (PDF, 41 pp, 2MB)Deborah SmegalRe-Registration Branch 3 HED95715... [More]
07/23/1999Chlorpyrifos: HED Preliminary Risk Assessment for the Reregistration Eligibility Decision (RED) Document. DP Barcode D257953. Tox Review 013611 (PDF, 66 pp, 3MB)Deborah SmegalRe-Registration Branch 3 HED-
06/30/1999Chlorpyrifos incident review update, DP Barcode D257467, HED Review of MRID Nos. 43480001,44039901,44186301,44245801,1997 Epidemiology Blue Ribbon Panel Report, and 1995 critique of EPA's review of neuropathy allegations due to chlorpyrifos (PDF, 26 pp, 1MB)Jerome BlondellChemistry & Exposure Branch-
06/02/1999Chlorpyrifos - Replacement of Human Study Used in Risk Assessments - Report of the Hazard Identification Assessment Review Committee (PDF, 20 pp, 761K)Jess Rowland & Paula WagnerHazard Identification Assessment Review Committee44020901... [More]
05/27/1999Occupational/Residential Handler and Postapplication Residential Risk Assessment for Chlorpyrifos. MRID: 40026001, 40094001, 43013501, 44167101, 44458201, 44444801, 44729401, 44729402, 44589001, 44739301. (PDF, 55 pp, 4MB)Deborah SmegalReregistration Branch, HED-
05/06/1999Toxicology Chapter for Chlorpyrifos (PDF, 18 pp, 530K)Deborah SmegalRe-Registration Branch 3 HED95497... [More]
04/29/1999Review of "Evaluation of Workers Exposure to Chlorpyrifos During the Use of Dursban TC Termiticide Concentrate for Post-Construction Termiticide Applications" - MRID No. 44729402. (PDF, 21 pp, 1MB)Gary BangsReregistration Branch, HED-
04/29/1999HED's Review of "Exposure to Chlorpyrifos While Applying a Ready to Use Formulation." MRID 4473901. (PDF, 16 pp, 747K)Deborah SmegalReregistration Branch, HED-
04/26/1999Update of Incident Data on Chlorpyrifos for Domestic Animals. (PDF, 3 pp, 124K)Virginia DobozyToxicology Branch II-
04/19/1999HED's Review of "Determination of Exposure and Dose of General Pest Control Operators to Chlorpyrifos During the Routine Applications of Dursban Pro Insecticide to Cracks, Crevices and Spots." MRID 44444801. (PDF, 23 pp, 1MB)Deborah SmegalReregistration Branch, HED-
04/16/1999Chlorpyrifos incident review update, DP Barcode 254977. HED Review of MRID nos. 43480001,44039901,44186301,44245801,1997 Epidemiology Blue Ribbon Panel Report, and 1995 critique of EPA's review of neuropathy allegations due to chlorpyrifos (PDF, 27 pp, 1MB)Jerome BlondellChemistry & Exposure Branch43480001... [More]
04/15/1999HED's Review of "Evaluation of Workers' Exposure to Chlorpyrifos During the Use of Dursban Pro Insecticide Concentrate for Broadcast Turf Applications." MRID 44729401. (PDF, 25 pp, 1MB)Deborah SmegalReregistration Branch, HED-
04/05/1999Chlorpyrifos - Report of the FQPA Safety Factor Committee (PDF, 10 pp, 370K)Brenda TarpleeFQPA Safety Factor Committee-
01/28/1999Devlelopmental Neurotoxicity Study - Rat; 83-6. MRID Nos. 44556901 & 44661001. Tox Review No. 013081. (PDF, 34 pp, 2MB)Susan MakrisToxicology Branch I-
01/28/1999Chlorpyrifos (P.C. Code 059101) - Toxicology Data Review. Pages 39-56 removed, registrant data. MRID 44556901, 44661001 Tox Review No. 013081. (PDF, 56 pp, 2MB)
 Additional Files Attachments
Susan MakrisToxicology Branch-
12/07/1998CHLROPYRIFOS - RE-EVALUATION - Report of the Hazard Identification Assessment Review Committee. Tox Review 013004. (PDF, 30 pp, 2MB)Jess RowlandHazard Identification Assessment Review Committee-
12/07/1998CHLROPYRIFOS - RE-EVALUATlON - Report of the Hazard Identification Assessment Review Committee. Tox review No. 013004 (PDF, 20 pp, 1MB)Jess RowlandHazard Identification Assessment Review Committee-
12/07/1998Study Type: Blood Time Course (Part A), Nonguideline. MRID 44648101. (PDF, 14 pp, 958K)H. Tim BorgesOak Ridge National Lab for HED-
10/14/1998Study Type: Special Study: Cholinesterase and Metabolite Determination - Rat MRID 44648102 (PDF, 17 pp, 1MB)Carol ForsythToxicology Branch (Oak Ridge National)-
08/21/1998Study Type: 83-6; Developmental Neurotoxicity Study of Chlorpyrifos Administered Orally via Gavage to Crl:CD BR VAF/Plus Presumed Pregnant Rats MRID 44556901 (PDF, 34 pp, 3MB)Guy BeretichToxicology Branch (Dynamac)-
05/19/1998Chlorpyrifos. Case 0100. Results of the National Food Survey Conducted in 1993-1994. MRID 43721601 (PDF, 7 pp, 573K)Leung ChengHealth Effects Division-
02/02/1998Chlorpyrifos - FQPA Requirement - Report of the Hazard Identification Assessment Committee. Tox review 012471 (PDF, 34 pp, 3MB)Jess RowlandHealth Effects Division-
12/20/1997EPA Reg. No.: 62719-15. DP Barcode: D233219. Case No: 048009. MRID Nos. 442091-01 through 442091-05 (PDF, 22 pp, 2MB)Masih HashimTechnical Review Branch44209101... [More]
07/29/1997Chlopyrifos - Report of the Risk Assessment Review Committee. (PDF, 3 pp, 130K)Jess RowlandHealth Effects Division-
04/23/1997Label Amendments for Dursban TC (PDF, 3 pp, 197K)David JaquithOccupational & Residential Exposure Branch-
01/14/1997Review of Chlorpyrifos Poisoning Data (PDF, 70 pp, 7MB)Jerome BlondellOccupational & Residential Exposure Branch-
09/13/1996Addendum to the Dietary Risk Assessment for the Chlorpyrifos Reregistration Eligibility Document (PDF, 35 pp, 3MB)Stephen SchaibleScience Analysis Branch-
06/06/1996Review of Acute Toxicity Data for Precautionary labeling; EPA ID No. 279-3134; Questor MUP Insecticide. MRID No. 439577-01. (PDF, 5 pp, 246K)S. OonnithanRegistration Support Branch-
04/29/1996TOXICOLOGY ENDPOINT SELECTION DOCUMENT. Tox Review 013130 (PDF, 4 pp, 116K)Alan LevyToxicology Branch-
03/06/1996Agricultural exposure assessment and recommendations for the reregistration eligibility decision document for chlorpyrifos. MRID 429745-01, 431381-02, 430279-01 (PDF, 24 pp, 2MB)Bruce KitchensSpecial Review & Registration Branch-
02/29/1996RfD/Peer Review Report of Chlorpyrifos... (PDF, 8 pp, 849K)George GhaliHealth Effects Division-
02/06/1996EPA File Symbol: 51036-EUT. MRID No. 436332-04 & 09. (PDF, 26 pp, 1MB)Mark PerryRegistration Support Branch-
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