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Contact Us about Ingredients Used in Pesticide Products

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Report possible violations of environmental laws and regulations.

EPA welcomes your comments, especially comments on how we can improve our website. We strive to respond to every comment with an answer or an appropriate referral as quickly as possible. 

Send us your questions or comments:

If you have questions about wood preservatives, please contact the AD Ombudsman at:

For information related to chlorpyrifos and the denial of the PANNA and NRDC petition to ban chlorpyrifos:

If you have questions about the Tier 1 Endocrine Distuptor screening results, please contact the following:

Contact information for other issues:

• All inquiries from news media must go to EPA’s press office.

• Contact the National Pesticide Information Center Exit(800-858-7378) for help with questions about pesticide use or exposure.

• Comment on recent announcements related to pesticide registration or tolerance setting by email.

• Via mail, to this address:
      Environmental Protection Agency
      Office of Pesticide Programs, Mail Code 7506C
      1200 Pennsylvania Ave., NW Washington DC 20460

• Email:

• Via an online form below (such as questions that are not addressed by the links above).

Note: if your comment is related to a specific web page, please include the page name or URL.