1,3-Dichloropropene Mitigation Documents and Activities

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The Department of Pesticide Regulation (DPR) is proposing mitigation measures designed to protect bystanders and residents from exposures to 1,3-dichloropropene.

1,3-Dichloropropene Mitigation

Risk Management Directive and Mitigation Guidance for Cancer Risk from 1,3-Dichloropropene, PDF (58 kb), October 6, 2016

Changes in the Management of 1,3-D and Frequently Asked Questions, PDF (54 kb), October 6, 2016

The following documents describe the controls that DPR is currently using to reduce exposure risks from products containing 1,3-Dichloropropene.

Recommended Permit Conditions (January 10, 2017)

Oversight of Use Limits for 1,3-Dichloropropene Enforcement Letter. PDF (194 kb) (January 9, 2017)

Memorandum of Understanding (MOU) between Dow AgroSciences and DPR, PDF (695 kb) (December 16, 2016)


No meetings are scheduled at this time.

General Information


There are no presentations at this time.

Comments and Responses

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Archive Documents

For content questions, contact:
Kevin Solari
1001 I Street, P.O. Box 4015
Sacramento, CA 95812-4015
Phone: (916) 323-7614
E-mail: Kevin.Solari@cdpr.ca.gov