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Recommended Residential Radon Mitigation Standard of Practice
EPA recommends the Standard Practice for Radon Mitigation Systems in Existing Low-Rise Residential Buildings* for residential radon mitigation. The Agency
initially recognized this standard in 2003 as the most appropriate guide to reducing radon in homes as far as practicable below the national action level
of 4 pCi/L in indoor air. A single free copy of the E-2121 standard is available from the Agency’s National Service Center for Environmental Publications.
Copies of the standard may be purchased from ASTMI
, or from the American National Standards
Institute (ANSI)
.
*E-2121-03 (February 10, 2003), American Society for Testing and Materials International (ASTMI); an American National Standards Institute (ANSI) approved consensus standard. Note: As of May 2006, EPA's Radon Mitigation Standards (EPA 402-R-93-078, Revised April 1994) is no longer recommended or available.
To control for radon in new residential construction, EPA recommends the use of ASTM’s Standard Practice for Radon Control Options for the Design and Construction of New Low-Rise Residential Buildings*. A single free printed copy of ASTM E 1465-07a is available from EPA upon request. Use EPA’s document number (402-K-07-010) when ordering from the National Service Center for Environmental Publications.
*ASTM E1465-07a; July 15, 2007. EPA reprints E1465-07a by permission with ASTM. Copies of E1465-07a may be purchased from ASTM International
,
or from the American National Standards Institute
.