ANSI AARST SGM-SF-2023

ANSI AARST SGM-SF-2023 PDF

This standard of practice specifies minimum requirements for methods that mitigate risks to occupants posed by the presence of radon gas and chemical vapors or gas in existing homes. This standard of practice is applicable to existing low-rise residential structures often classified as single-family structures and individual dwellings within a shared structure that contain no more than four attached dwelling units on a contiguous foundation.