NPIC provides objective, science-based information about pesticides and pesticide-related topics to enable people to make informed decisions about pesticides and their use. NPIC is a cooperative agreement between Oregon State University and the U.S. Environmental Protection Agency.

New & Notable

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Want to report a problem with a pesticide? This page explains the types of problems that should be reported, and how you can report them.

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Numerous products are available to repel mosquitoes and ticks. Sometimes, it can be difficult to decide what to use. See the NPIC collection of information on choosing and using insect repellents.

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Weeds are a common problem around homes, in lawns, gardens and in cracks along sidewalks or driveways. Herbicides can save a lot of time and effort controlling weeds, but if they are not used properly, they can pose a risk to people, pets and/or the environment. Learn more about using herbicides to control weeds.

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March is Poison Prevention month. Click here to learn more about how to prevent pesticide poisonings at your home or work.

NPIC Publications:

NPIC is open from 6:30AM to 4:30PM Pacific time, daily. You can reach us toll-free at 1.800.858.7378 and via e-mail at npic@ace.orst.edu

man with megaphone Want to report a problem or concern with a pesticide? We can help, click here to learn more.
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NPMMP - National Pesticide Medical Monitoring Program

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