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 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