ANSI AARST CC-1000-2018 Rev. 5/23

The provisions in this standard provide prescriptive minimum requirements for the construction of any building intended for human occupancy, except for 1 and 2 family dwellings4,5 in order to reduce occupant exposure to radon and other hazardous soil gases.

This standard and informational supplements address construction of buildings that include, among others, the use of a building or structure, or a portion thereof for multifamily or congregate residential occupancies, educational occupancies, and commercial occupancies.