ANSI AARST RRNC-2020 Rev. 10/22 PDF
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 activation of radon control systems, if required.
ANSI AARST RRNC-2020 Rev. 10/22 History
ANSI AARST RRNC-2020 Rev. 10/22
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