AARST is rebranding to
Indoor Environments Association™
AARST is a nonprofit, professional organization of members who are dedicated to the highest standard of excellence and ethical performance of hazard identification and abatement of radon, chemical vapor intrusion, and other contaminants of concern in the built environment. The organization primarily strives to advance the interests of its members through developing industry standards, certifying technical proficiency, enabling advancement of public policy, and communicating health risks to the public.
Revised mission statement, February 2023

Join AARST today!
Scroll down for details and benefits.
AARST has released the 2023 versions of the ANSI/AARST Standards
Please visit standards.aarst.org/ to view the standards. Read the complete announcement here.
NEW! AARST Members now have access to all standards PDFs for free.
Members, sign in to My Account and visit the Standards Library to download the newest versions of the standards you need.
We Represent Radon and Vapor Intrusion Professionals
AARST members receive a variety of benefits, resources, and services aimed at helping you be more successful and effective. From advocating industry interests on Capitol Hill, hosting educational opportunities, providing technical resources, to representing members in state policy initiatives, AARST is here on your behalf.
What is AARST?
AARST is a nonprofit, professional organization of members who are dedicated to the highest standard of excellence and ethical performance of hazard identification and abatement of radon, chemical vapor intrusion, and other contaminants of concern in the built environment. The organization primarily strives to advance the interests of its members through developing industry standards, certifying technical proficiency, enabling advancement of public policy, and communicating health risks to the public.
Chapters Near You
AARST local Chapters advocate for state policy initiatives, perform community outreach, and host continuing education events.
AARST Hosted C.E.
Get up to 8 hours of NRPP Category-1 CE credits in on-demand one-hour sessions. They are FREE as an AARST Member Benefit.
ARPC
The American Radon Policy Campaign supports federal and state-level lobbying activity and is funded by a growing group of committed ARPC advertisers.
Public Policy
Policy levers include radon-resistant new construction, required radon testing or homebuyer notification and professional licensing via certification.
Radon & Soil Gas Standards
ANSI/AARST national consensus standards are utilized by federal and state agencies such as HUD and EPA. A standard is available for every building type.
Radon PAC
Contribute campaign funds to candidates who understand and appreciate the need for federal policies to reduce radon-induced lung cancer.
AARST’s exclusive magazine, The Radon Reporter, is published three times a year and reaches over 3500 members and NRPP Certified Radon Professionals.
In the current issue, articles include:
Chapter Report
2023 Election Ballot
Indoor Environments 2023 – Agenda
Comparison of Single-Family Mitigation
Standards
NRPP Updates
FHFA and GSEs’ Multifamily Radon Policy
Hiring Tips for Today’s Market
Would you like to become a contributor or advertiser? Send all inquiries to editor@aarst.org. The next content deadline is November 15, 2023.