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Up For Public Review

Public Review of proposed addenda updates to ANSI/AARST MA-MAMF-2023

(Protocol for Conducting Measurements of Radon and
Radon Decay Products in Multifamily, School,
Commercial and Mixed-Use Buildings)


This standard of practice specifies procedures and minimum requirements when measuring radon concentrations in shared structures, or portions of shared structures, used for residential, non-residential, or mixed-use purposes to determine if radon mitigation is necessary to protect current and future occupants.

The first round of proposed addenda revisions are the result of public comments received from users of this standard on a variety of topics.

(Click here to download)
Deadline for Comments: January 20th, 2025


Public Notice of Seated Participants on Repopulated Committees 2025:
Executive Stakeholder Committee
Radon Measurement
Radon In Water
Repopulated Mitigation and QA Committees will be announced soon.

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This calendar shows tentative schedules for committee meeting activity.  Schedules are subject to change.

For most electronic meetings, guests are allowed when desired or approved by the chair. For meetings scheduled that are open to the public, the meeting will be announced as such. 

  • User Tools ……………….. Example templates for field or office
  • Approved Addenda ………. Incremental updates not yet included in published versions
  • Interpretations ……………. Responses to inquiries
  • Position Statements ……… Positions approved by consensus