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Atrazine
Chemical Review Manager: Monica Wait
(wait.monica@epa.gov) 703-347-8019 
Press Contact: Dale Kemery (kemery.dale@epa.gov) 202-564-4355
Docket Information
- Documents related to EPA's review of this pesticide can be found in the following docket EPA-HQ-OPP-2003-0367
- Documents related to EPA’s Special Review process for atrazine initiated in 1994 can be found in docket EPA-HQ-OPP-2004-0319
- Atrazine Reregistration Risk Assessments and related documents from 2000-2002 have been moved to Special Docket EPA-HQ-OPP-2007-0151.
- FIFRA Scientific Advisory Panel (SAP) materials associated with the 2003 Atrazine Reregistration and the Atrazine Evaluation initiated in 2009 can be found in the following websites or dockets:
- Docket EPA-HQ-OPP-2012-0230 - June 12-15, 2012: Problem Formulation for the Reassessment of Ecological Risks from the Use of Atrazine
- Docket EPA-HQ-OPP-2011-0399 - July 26-29, 2011: Re-Evaluation of Human Health Effects of Atrazine: Review of Non-Cancer Effects, Drinking Water Monitoring Frequency, and Cancer Epidemiology
- Docket EPA-HQ-OPP-2010-0481 – September 14-17, 2010: Re-Evaluation of Human Health Effects of Atrazine: Review of Non-Cancer Effects and Drinking Water Monitoring Frequency
- Docket EPA-HQ-OPP-2010-0125 – April 26-29, 2010: Re-Evaluation of Human Health Effects of Atrazine: Review of Experimental Animal and In Vitro Studies and Drinking Water Monitoring Frequency
- Docket EPA-HQ-OPP-2009-0851 - February 2 - 4, 2010: Incorporation of Epidemiology and Human Incident Data into Human Risk Assessment
- Docket EPA-HQ-OPP-2009-0759 - November 3, 2009: Presentation of the Approach to Reevaluate Atrazine
- Docket EPA-HQ-OPP-2009-0104 – May 12-15, 2009: The Ecological Significance of Atrazine Effects on Primary Producers in Surface Water Streams in the Corn and Sorghum Growing Region of the United States
- Docket EPA-HQ-OPP-2007-0934 - December 4-7, 2007: Interpretation of the Ecological Significance of Atrazine Stream-Water Concentrations Using a Statistically-Designed Monitoring Program
- Docket EPA-HQ-OPP-2007-0498 - October 9 - 12, 2007: The Potential for Atrazine to Affect Amphibian Gonadal Development
- Docket EPA-HQ-OPP-2003-0186 - July 17, 2003: Characterization of Epidemiology Data Relating to Prostate Cancer and Exposure to Atrazine
- Docket EPA-HQ-OPP-2003-0024 - June 17-20, 2003: Potential Developmental Effects of Atrazine on Amphibians
- SAP Website for June 27-29, 2000: Issues Pertaining to Atrazine Cancer Risk Assessment
Atrazine Updates - January 2013
- Atrazine Evaluation Process (began fall 2009)
- Triazine Cumulative Risk Assessment (2006)
- Atrazine Post-RED Results
Decision Documents
- October 31, 2003 Revised Atrazine IRED (PDF) (16 pp, 680 KB, About PDF)
- IRED
Appendices (1.6 MB ZIP file - may be expanded with Winzip
) - IRED Q and A's
- IRED Press Announcement
- Watershed Sites for Ecological Monitoring (PDF) (1 pg, 50 KB, About PDF)
- Geographical Images for Watershed Sites for Ecological Monitoring (PDF) (4 pg, 408.6 KB about PDF)
- Atrazine Ecological Exposure Flowing Water Chemical Monitoring Study in Vulnerable Watersheds: Study Protocol (PDF) (15 pg, 343.8 KB, About PDF)
- Atrazine Ecological Exposure Flowing Water Chemical Monitoring Study in Vulnerable Watersheds Interim Report: Watershed Selection Process (PDF) (57 pp, 5.33 MB, About PDF)
- Atrazine IRED - January 2003 ( 304 pp, 685.5 KB, About PDF)
- IRED Appendix B (PDF) (15 pp, 106 KB, About PDF)
- Memorandum of Agreement (PDF) (36 pp, 132 KB, About PDF) Guidance Letter for Formulators of End-Use Products Containing Atrazine (PDF) (8 pp, 95 KB, About PDF)
- January 31, 2003 Press Release: "EPA Adopts Aggressive Measures on Herbicide Atrazine - Approach Ensures Protection of Nation's most Vulnerable Drinking Water Sources"
- Atrazine IRED Questions and Answers (January 31, 2003)
- Slides from April 16, 2002 Technical Briefing Agenda (PDF) (2 pp, 63 KB, About PDF)
- Registration Review: Atrazine is tentatively scheduled to begin registration review in 2013. See Registration Review Web page.
Federal Register Notices
- Atrazine, Chloroneb, Chlorpyrifos, Clofencet, Endosulfan, et al.; Tolerance Actions (Final Rule) [September 14, 2011]
- Petition Requesting Ban on Use and Production of Atrazine; Notice of Availability [September 14, 2011], comments accepted through November 14, 2011
- Atrazine, Chloroneb, Chlorpyrifos, Clofencet, Endosulfan, et al.; Proposed Tolerance Actions [May 4, 2011], comments accepted through July 5, 2011
- Amitraz, Atrazine, Ethephon, Ferbam, Lindane, Propachlor, and Simazine; Proposed Tolerance Actions, [June 13, 2007], comments accepted through August 13, 2007
- Reregistration – Availability of Revised IRED - F.R. Notice announcing open comment period - comment period closed on February 5, 2004
- Reregistration – Availability of Revised Risk Assessments - F.R. Notice Vol. 67, Number 87, Pages 30379-30380 - comment period closed on July 5, 2002
- Reregistration – Availability of Preliminary Risk Assessment - F.R. Notice Vol. 66, Number 31, Pages 10287-10289 - comment period closed on April 16, 2001
- Reregistration – Availability of Preliminary Risk Assessment - F.R. Notice announcing open comment period - comment period closed on November 26, 2001