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Contact Us About Pesticide Science and Assessing Pesticide Risks

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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:

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

• Contacts for technical questions about the models:
   --Environmental Fate and Effects models:
     Aquatic Models and Benchmarks Dirk Young (
     Terrestrial Models Andrew Kanarek (
   --DEEM: David Hrdy (
   --Other human health effects models: Jeff Dawson (

• 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.