The Environmental Protection Agency (EPA) has identified the action level of 4 picocuries per liter (pCi/L). Results at or above 4 pCi/L are considered elevated and mitigation is recommended, however mitigation decisions should not be based upon a single test result.
Credentialed radon mitigation contractors can install a radon mitigation system that lowers radon levels in your home. The goal of installing a radon mitigation system in a home is to reduce radon to the lowest possible level.
Standards:
The installation of a radon mitigation system in Iowa shall follow the requirements as stated in EPA’s Radon Mitigation Standards (RMS) EPA 402-R-93-078, October 1993 (Revised April 1994) and the American Society for Testing Materials International (ASTMI) Standard Practice for Installing Radon Mitigation Systems in Existing Low-Rise Residential Buildings E2121. All “shoulds” in the above document shall be “shalls” according to department standards.
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EPA’s RMS is available for download by clicking this link, EPA RMS 1994
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ASTMI's Standard E2121 is available for purchase from the ASTMI website at www.astm.org
Additional Information About Mitigation:
Find A Mitigation Specialist
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