Historical
ANSI/AARST RRNC-2020
Rough-in of Radon Control Components in New Construction of 1 & 2 Family Dwellings and Townhouses
This standard provides minimum requirements for the rough-In of radon control system components in new dwelling units under construction. This standard is harmonized with ANSI/AARST CCAH, which additionally addresses requirements for verifying if radon concentrations are below the national action level and, if required, activation of radon control systems.
Content Provider
American Association of Radon Scientists and Technologists [aarst]