Below are links to the draft ecological risk assessments for atrazine, propazine and simazine and their supporting documents. These documents are available on www.regulations.gov in each chemical’s registration review docket. The comment period started on June 6, 2016 and ended on October 4, 2016 (extended from August 5, 2016).

Learn more about atrazine. 

Federal Register Notice Announcing Availability of the Draft Ecological Risk Assessments

Atrazine (EPA-HQ-OPP-2013-0266)

• Preliminary Ecological Risk Assessment for Atrazine 
• Supporting Documents

Propazine (EPA-HQ-OPP-2013-0250)

• Preliminary Ecological Risk Assessment for Propazine
• Supporting Documents

Simazine (EPA-HQ-OPP-2013-0251)

• Preliminary Ecological Risk Assessment for Simazine
• Supporting Documents

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