Mitigation Standards for Existing Homes (SGM-SF-2017)

Description

ANSI/AARST SGM-SF-2017 Soil Gas Mitigation Standards for Existing Homes This standard specifies practices, minimum requirements and general guidance for reducing soil gas entry into existing homes in order to mitigate occupant exposures to certain hazardous soil gases, including radon gas, chemical vapors and other hazardous gases. It addresses a wide range of mitigation methods and provides guidance for health and safety, system design, system installation, and ongoing stewardship. Applicable to residences not more than 3 stories above grade those classified as single-family; and those that contain no more than 4 attached dwelling units on a contiguous foundation.