Frequently Asked Questions

Questions frequently asked of the National Pesticide Information Center

Quick FAQs	Common Pesticide Questions
NPIC Quick FAQs are short, quick answers to pesticide questions, often with links to additional information.	These are more detailed questions and answers, like the conversations NPIC specialists have with callers.

Have a question about a specific pesticide? If so, try looking at our pesticide Active Ingredient Fact Sheets or call the number below to talk to one of our pesticide specialists, toll free from 7:30 a.m. to 3:30 p.m. Pacific Time (10:30 a.m. - 6:30 p.m. Eastern Time).

The U.S. Environmental Protection Agency also maintains a website of pesticide questions and answers, available by clicking here.

If you have questions about any pesticide-related topic, please call NPIC at 1-800-858-7378 (7:30am-3:30pm PST), or email at npic@ace.orst.edu.

Last updated May 12, 2011

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NPIC provides objective, science-based information about pesticides and pesticide-related topics to enable people to make informed decisions. NPIC is a cooperative agreement between Oregon State University and the U.S. Environmental Protection Agency (cooperative agreement #X8-83458501). The information in this publication does not in any way replace or supersede the restrictions, precautions, directions, or other information on the pesticide label or any other regulatory requirements, nor does it necessarily reflect the position of the U.S. EPA.