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Up For Public Review

Most ANSI/AARST standards are updated under a continuous maintenance program. Consensus body review of comments received are generally scheduled to begin the second year after publishing. Topic by topic, the plan entails prioritizing concerns one by one until a complete review of public and committee concerns is complete.

Note—Most responses to comments and resulting incremental revisions take place during the second year after publication of a fully reviewed and thereby newly dated standard.

Committee rosters can be found in the rotating banner at the bottom of this page

Public Review of proposed updates to ANSI/AARST MAH – 2023
(Protocol for Conducting Measurements of Radon and Radon Decay Products in Homes)

This standard of practice specifies procedures and minimum requirements when measuring radon concentrations in single-family residences for determining if radon mitigation is necessary to protect current and future occupants.

The proposed revisions primarily result from public comments


(Click here to download)

Deadline for Comments: September 28th, 2025

Public Review of SGM-MFLB Incremental Addenda Updates 26-09
(Soil Gas Mitigation Standards for Existing Multifamily, School, Commercial and Mixed-Use Buildings)

This standard of practice specifies minimum requirements for methods that mitigate risks to occupants posed by the presence of radon gas and chemical vapors or gas in existing multifamily, school, commercial and mixed-use buildings.

Consistent with our continuous maintenance program, this public review event represents proposed updates for incrementally improving ANSI/AARST SGM-MFLB

(Click here to download)

Deadline for Comments: October 5th, 2026

  • The latest publications of these standards are available for comparison on this website where all ANSI/AARST standards can be found for review at no charge, and for purchase. Click here to access or purchase standards.
  • Committee rosters (consensus bodies) can be accesses by clicking on the rotating banner below.

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