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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 - 15 of 44
DateTitleAuthorOrganizationMRID
-Effects Determination for Diquat Dibromide and the Delta Smelt
 Additional ES Files Additional ES Files (California Red-legged Frog and other California Listed Species)
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03/25/2002Diquat Dibromide HED Risk Assessment for Tolerance Reassement Eligibility Document (TRED). (PDF, 44 pp, 4MB)Becky DaissReregistration Branch 4 HED-
08/22/2001HED�s Review of Diquat: Worker Exposure During Mixing, Loading, and Application of Reglon with Knapsack Sprayers; (MRID# 44493001; PC code 032201; DP Barcode D222970). (PDF, 23 pp, 80K)
 Additional Files Attachments
Tom BrennanReregistration Branch 444493001
09/29/1994Transmittal of EFED List A Summary for Diquat dibromide (Chemical # 032201) Case # 0288 (PDF, 29 pp, 2MB)William SchneiderScience Analysis & Coordination Branch-
09/29/1994EFED Recomendations and Mitigation Measures for Diquat dibromide (Chemical # 032201) Case # 0288 (PDF, 9 pp, 683K)William SchneiderScience Analysis & Coordination Branch-
09/01/1994Diquat Dibromide Reregistration Science Chapter (D198588) (PDF, 22 pp, 2MB)Anthony MaciorowskiEcological Effects Branch-
03/02/1992Diquat - Draft Report. Review and Evaluation of Worker Exposure Studies and Individual Foliar Dislodgeable and Soil Residue Dissipation Studies. MRID Nos. 409174-01, 02; 413772-00, 02, 03; and 413741-00). Pages 33-38 removed, copyrighted material (PDF, 38 pp, 928K)Tim LeightonAntimicrobials Division41374100... [More]
04/07/1989EPA Reg. No. 239-1663-AA. Diquat Water Weed Killer: Swimming Restriction. MRID No. 409276-02 (PDF, 2 pp, 115K)Krystyna LockeToxicology Branch40927602
03/23/1989Diquat Swimming Restriction (PDF, 4 pp, 228K)Curt LunchickScience Analysis & Coordination Branch-
02/21/1989Reg. No. 239-1663. Diquat Water Weed Killer. Remove Reentry Label Restriction Prohibiting Swimming in Treated Areas Within 14 Days after Treatment. Page 27 removed - product ingredient source & quality control information, and product chemistry data (PDF, 27 pp, 1MB)Paul MastradoneEnvironmental Fate & Ground Water Branch-
08/05/1988Diquat: Evaluation of Studies Submitted by Chevron Chemical Company Under the Registration Standard Requirements. EPA ID No. 239-2505 (Ortho Diquat Concentrate). Tox Review 006719 (PDF, 3 pp, 166K)Krystyna LockeToxicology Branch-
04/12/1988EPA Reg. No. 239-2505. Residues of diquat in Fish and Shellfish. MRID No. 46427601. RCB No. 3508 (PDF, 6 pp, 270K)Linda PropstResidue Chemistry Branch46427601
02/16/1988EPA File Symbol 192-RTI Dexol Weed & Grass Killer Concentrate Acute studies. MRID No. 403599-02 through -07 (PDF, 5 pp, 307K)Mary WallerFungicide Herbicide Branch40359902... [More]
12/17/1987Reg. No. 239-2505. Diquat Dibromide. Responses to Registration Standard: Glove Permeability, Spray Drift and Questions on the Soil Dissipation Study Sampling Scheme (PDF, 6 pp, 462K)Therese DoughertyExposure Assessment Branch-
12/17/1987Reg. No. 239-2505. Ortho Diquat Concentrate. Registration: Permeability of Protective Gloves; Spray Drift; and Droplet Spectrum (PDF, 5 pp, 229K)Frank DavidoExposure Assessment Branch-
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