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Questions, corrections, feedback, and suggestions are welcome. Use the form below and we will respond as soon as possible.

Not a Radon Testing or Contracting Service We are an informational resource only. For contractor referrals use nrpp.info or nrsb.org. For urgent situations (result above 20 pCi/L) contact a certified contractor directly — do not wait for our reply.
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Content Corrections

Found outdated or inaccurate information? We treat corrections as high-priority updates.

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Missing State Guide

Your state isn't covered yet? Let us know and we'll prioritize it.

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General Feedback

Something was helpful or confusing? We want to know either way.

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Partnership Inquiries

Relevant collaboration opportunities for certified professionals.

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State Radon Offices

For jurisdiction-specific permit and testing questions, contact your state radon office directly: epa.gov/radon/state-radon-offices-and-contacts