Mission Statement

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.

Join IEA today!

Click below for details and benefits.

ANSI/AARST Standards

Please visit standards.aarst.org/ to view the standards. 

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.

Join Us Today

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 standards are utilized by  HUD, EPA, and most regulatory states. An AARST American National 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:

  • 2026 IEA Board of Directors Retreat
  • IEA Podcast: Continuing the Conversation
  • NRPP Mitigation Certification Updates
  • Chapter Corner
  • 2026 Symposium: Norfolk, VA
  • Symposium Speaker Highlight: Jennifer Borski
  • 2026 Annual Capitol Hill Fly-In
  • Increasing RRNC Effectiveness & Accountability
  • Sidewall Venting – A Review of the Evidence
  • A Look Inside the 2026
  • ITRC Vapor Intrusion Toolkit
  • IEA Hosts Virtual Awards Ceremony
  • NRPP Certification Spotlight: Mayra Piedrahita
  • Vapor Intrusion Standards

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