Official radon resources

Where can you get official radon information?

From PA DEP, US EPA and the CDC. These are the sources the guides and listings on this site are checked against. Read them yourself here.

Pennsylvania DEP

• PA DEP Radon Division: the state radon program.
• PA DEP Radon Services Directory: DEP's lists of certified testers, mitigators and labs, updated each month.
• Radon in the Home: testing and fixing radon in your home.
• Radon test results by zip code: DEP's test results for each Pennsylvania zip code.
• Pennsylvania Consumer's Guide to Radon Reduction: choosing a contractor, how systems work, and checking the work.
• Pennsylvania Citizen's Guide to Radon: testing, what your result means, and radon in a home sale.
• Radon Mitigation Systems fact sheet: typical costs, hiring a mitigator, and a checklist for your system.
• 25 Pa. Code § 240.303: the rule on what certified mitigators must do, including the test after install.

The Pennsylvania Radon Hotline is 800-237-2366.

US EPA and CDC

• EPA: Radon: radon basics, testing and fixing your home.
• EPA Pennsylvania map of radon zones: York County is in Zone 1, the highest radon potential.
• EPA map of radon zones and action levels: what the zones mean, and the 4 pCi/L action level.
• EPA Consumer's Guide to Radon Reduction: how radon is removed from a home.
• CDC: Radon: radon and your health.