ANSI/AARST CCAH-2020-0523 (PDF)
$75.00
Reducing Radon in New Construction of 1 & 2 Family Dwellings and Townhouses – Rev. 5/23
Downloadable single user license – PDF format
Description
ANSI/AARST CCAH-2020-0523
Reducing Radon in New Construction of 1 & 2 Family Dwellings and Townhouses – Rev. 5/23
This standard provides minimum requirements for the rough-in of radon control system components in new dwelling units under construction. CCAH also includes minimum requirements for verifying if radon concentrations are below the national action level and, if required, activation of radon control systems.
Updates for 2023 – Section 801.1 improves upon practical application of initial radon testing after a home is constructed and Appendix B provides definition for qualities associated with acceptable certification programs.
** While recommended for immediate use, the effective date for compliance with this standard is December 1st, 2023.
