ANSI/AARST RRNC-2020 (PDF)

Description

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.