Specification History

SWS Version Created Specification ID Title Specification Objective Supporting Materials Rationale Status
Version 2025 02/03/2021 - 11:22 2.0402.1a Standard for Installation

Install active radon mitigation systems in compliance with ASTM E2121 or AARST standards for the applicable building type.

Consistent installation of radon mitigation systems that meet recognized industry standards

Black Line
Version 2025 02/03/2021 - 11:22 2.0402.1a Standard for Installation

Install active radon mitigation systems in compliance with ASTM E2121 or AARST standards for the applicable building type.

Consistent installation of radon mitigation systems that meet recognized industry standards

Black Line