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AARST ANSI/AARST CCAH-2020-0523

Reducing Radon in New Construction of 1 & 2 Family Dwellings and Townhouses
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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.
SDO AARST: American Association of Radon Scientists and Technologists
Document Number CCAH
Publication Date May 1, 2023
Language en - English
Page Count 35
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
May 1, 2023 Revision