AARST is now
Indoor Environments Association™
Indoor Environments Association 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.
Mission statement
Join IEA today!
Click below for details and benefits.
ANSI/AARST Standards
Please visit standards.aarst.org/ to view the standards. Read the complete announcement here.
IEA Members have access to all standards PDFs for free. Sign in to My Account and visit the Standards Library to download the standards you need.
We Represent Radon and Vapor Intrusion Professionals
IEA 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, IEA is here on your behalf.
What is IEA?
Indoor Environments Environments Association 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
Association Chapters advocate for state policy initiatives, perform community outreach, and host continuing education events.
IEA 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 IEA Member Benefit.
IEA Advocates
The IEA Advocates Program supports federal and state-level lobbying activity through a growing group of committed Advocates.
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.
The association’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:
- 2025 Board Election Results
- Believe the Numbers
- Radon and Lung Cancer: A Hidden Risk
- AARST National Standards Committee Updates
- Celebrating Industry Leaders at 2025 Symposium
- ICC Approves Changes to Radon Appendix
- IEA Podcast Leading the Way
- Chapter Corner
- NRPP Revalidates Certifications
- NRPP Complaints
- 2025 Industry Survey Results
- State of Lung Cancer Report
- Radon in Ohio: An Investigative Report
- CRCPD Radon Device Advisory
- National Radon Action Plan (NRAP)
- NRPP Certification Spotlight: Rudy Curatolo
- Vapor Intrusion: How Conduit Pathways are
Shaping Site Assessments
Would you like to become a contributor or advertiser? Send all inquiries to editor@aarst.org.
Click here to download this issue in PDF format