Public Review and Public Access


Request Committee Participation

Process and Form for Submitting Public Comments

Process and Form for Submitting Interpretation Requests

Process and Form for Submitting Change Requests

Reporting Procedural Concerns

Meetings Calendar

Consortium Policies and Procedures

Up For Public Review

Public Review: CCAH Revisions (6/2025)

Soil Gas Control in New Construction of 1 & 2 Family Dwellings and Townhouses

The provisions in this standard of practice provide prescriptive minimum requirements for newly
constructed one- and two-family dwellings and townhouses in order to reduce occupant exposure to radon and other hazardous soil gases.

To download redlined mockup of public review content, click here

To download a clean-read mockup, click here

These proposed revisions are the result of the continuous maintenance program at AARST Consortium on National Standards. The proposed revisions to content publicly reviewed 5/17/24 to 7/1/24 and 10/4/24 to 11/03/24 respond to both public comments received and consensus body work to update and harmonize with ANSI/AARST CC-1000 (Soil Gas Control Systems in New Construction of Multifamily, School, Commercial and Mixed-Use Buildings).

Deadline for Comments: August 4th, 2025

Public Review: AARST CC-1000 Revisions (7/2025)

Soil Gas Control Systems in New Construction of Multifamily, School, Commercial and Mixed-Use Buildings

The provisions in this standard provide prescriptive minimum requirements for the construction of any building intended for human occupancy, except for 1 and 2 family dwellings, in order to reduce occupant exposure to radon and other hazardous soil gases. A substantial number of proposed revisions since the 2023 publication are the result of the continuous maintenance program at AARST Consortium on National Standards with recent work to update and harmonize with ANSI/AARST CCAH (Soil Gas Control in New Construction of 1 & 2 Family Dwellings and Townhouses).

To download the clean-read mockup with proposed revisions for 2025, click here

To download a lengthy redline/cross-through version of the many changes compared to the
current CC-1000 2023 publication, click here

Deadline for Comments: September 1st, 2025

Call for Volunteers—New building construction standards

Consistent with goals to repopulate committees roughly every three years: 

Seeking participants who might represent the interests of consumers, government, measurement professionals, mitigation professionals, manufacturers, or general interest. 

To submit your name for consideration, click: Request Committee Participation
Candidate evaluations begin: October 1, 2025

Public Review: AARST MW-RN Revisions (7/2025)

Protocol for the Collection, Transfer and Measurement of Radon in Water

This standard of practice contains minimum requirements and guidance for measuring radon in water that enters a building through groundwater supplies for determining if mitigation is necessary to protect current and future occupants of dwellings and other buildings. This standard includes procedures for the collection and transport of water samples, as well as protocols for the quantitative transfer of the sample to a measurement device to determine radon concentrations in water.

To download the assorted proposed revisions, click here

Deadline for Comments: September 8th, 2025

Mitigation Standards incremental addenda updates

Consistent with our continuous maintenance program, this public review event
represents the first in a series across 2025-2026 for incrementally improving
ANSI/AARST SGM-SF 2023 and ANSI/AARST SGM-MFLB. The proposed content
in this public review addresses some initial administrative improvements.

To download proposed revisions to SGM-SF, click here

To download proposed revisions to SGM-MFLB, click here

Deadline for Comments: September 8th, 2025

ANSI/AARST SGM-SF
(Soil Gas Mitigation Standards for Existing Homes)


This standard of practice specifies minimum requirements for methods that mitigate risks to occupants posed by radon gas, chemical vapors or other hazardous soil gases that are present within existing homes.

ANSI/AARST SGM-MFLB
(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.

Public Notice of Seated Participants on Repopulated Committees 2025:
Executive Stakeholder Committee
Radon Measurement
Radon In Water
Radon Mitigation
Quality Assurance

  • 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