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Monday 9am - 4:30pm Tuesday 9am - 4:30pm Wednesday 9am - 4:30pm Thursday 9am - 4:30pm Friday 9am - 4:30pm

Indoor Environments Association - Formerly AARST

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Hendersonville, NC
Indoor Environments Association - Formerly AARST

AARST, now doing business as Indoor Environments Association. www.NRPP.info for questions regarding certification, exams, CE, and more.

For questions, please visit:
www.indoorenvironments.org for questions regarding membership, chapters & more.

04/07/2026

Don't miss this year's Indoor Environments 2026 Radon & V***r Intrusion Symposium in Norfolk, VA!

Visit the link in bio or indoorenvironments.org/symposium/ for more information and to register today!

Early bird prices end June 30th

04/03/2026

Answer: Testing.

Drop a comment 👇
Have you ever tested your home for radon?

04/02/2026

You can review the slides…
But being in the room is different.

🔥 Presentation slides from past Indoor Environments Symposium sessions are now available online, capturing the technical depth, research, and case studies shared by dozens of presenters.

But slides are only part of the experience.

The real value comes from:
• Live discussion and Q&A
• Hearing ideas as they’re forming
• Connecting with peers and experts
• Being part of conversations that shape future standards and practice

Explore past Symposium presentations:
👉 https://aarst.org/symposium/speakers-slides-library/

📍 Indoor Environments Symposium 2026
📅 October 4–7, 2026
📍 Norfolk, Virginia

If you want more than the slides — you’ll want to be there.

04/01/2026

Mitigating radon in large buildings isn’t simply a scaled-up version of residential work.

Multifamily buildings, schools, and commercial structures present unique challenges — complex foundations, interconnected spaces, and mechanical systems that influence airflow throughout the structure.

That’s why the industry relies on ANSI/AARST standards specifically developed for large buildings.

These standards provide guidance for:

• Diagnostic investigation
• System design and installation
• Verification testing
• Long-term performance

When professionals follow recognized standards, mitigation systems are designed with building science, occupant safety, and long-term performance in mind.

03/31/2026

NRPP certification verifies qualifications for radon measurement providers.

Certification confirms that individuals meet established requirements for training, examination, and ongoing competency.

Learn more about certification pathways and verification at nrpp.info.

03/30/2026

Don't miss this years Indoor Environments 2026 Radon & V***r Intrusion Symposium in Norfolk, VA!

Visit the link in bio or indoorenvironments.org/symposium/ for more information and to register today!

Early bird prices end June 30th

03/27/2026

Ever wish your professional membership came with superpowers?

At the Indoor Environments Association, it kind of does. 🦸‍♂️

From continuing education and industry updates to networking and professional resources, IEA membership helps indoor environmental professionals grow their knowledge, strengthen their businesses, and protect the communities they serve.

Because when we work together, the whole industry gets stronger.

👉 Which membership benefit do you value most?
Education? Networking? Industry updates? Tell us below.

03/26/2026

What is the AARST Consortium on National Standards?

The AARST Consortium on National Standards is the formal standards-development body administered by AARST, a 501(c)(6) non-profit organization. The Consortium provides the structured, transparent forum where national consensus standards are created, reviewed, and maintained.

Through this program, diverse stakeholders—including radon and mitigation professionals, researchers, manufacturers, regulators, and public health experts—work together to develop ANSI-recognized standards that guide:

Radon measurement in existing buildings

Soil gas mitigation in existing buildings

Soil gas control and radon-resistant construction in new buildings

These standards are not theoretical. They are built on science, field experience, and ongoing public input, and they are routinely updated to reflect advances in technology, research, and best practices. This consensus-driven process is what gives ANSI/AARST standards their credibility and broad acceptance across the industry.

As part of supporting informed, professional practice, members of the Indoor Environments Association (IEA) receive **full access to all ANSI / AARST standards, including:

Fully searchable PDF files

Download and print privileges

Access beyond basic flipbook viewing

These standards form the foundation of quality, consistency, and public trust in radon and soil gas work nationwide.

🔗 Learn more at standards.aarst.org

03/25/2026

Radon mitigation and v***r intrusion mitigation look similar… until they don’t.

In this episode of The Indoor Environments Project, Diane Swecker sits down with Rachel Peterson and Tony McDonald to unpack what actually happens when v***r intrusion projects move from theory to the field.

From conceptual site models and pilot testing to VOC complications and verification challenges, this conversation reveals why v***r intrusion work is rarely a one-person job — and why the best projects depend on collaboration, data, and knowing the limits of your expertise.

You’ll also hear:
• Why system design in the VI world requires a very different mindset
• How verification testing can be far more complicated than radon
• Why mentors and real field experience matter for the next generation of professionals

If you work in radon, mitigation, consulting, environmental health, or redevelopment — this episode is for you.

🎧 Listen now on your favorite podcast platform or at aarst.org/podcast

***rIntrusion

03/24/2026

Friday fact:

Radon is completely invisible and odorless, which means the only way to know if it’s in your home is to test for it.

No smell.
No color.
No warning.

Just science doing its job.

When was the last time you tested?

03/23/2026

Register during the Early Bird Sale for this year's Indoor Environments Radon and V***r Intrusion Symposium in Norfolk, VA! Early Bird Sale ends June 30th. IEA members save even more!
- Exceptional Technical Content
- Free Continuing ED
- Career Advancement
- Vendor Interaction
- Build Relationships

***rIntrusion ***rIntrusion

03/20/2026

Thinking about joining the Indoor Environments Association?

Turns out there are some pretty good reasons why professionals across the industry are part of the community:

✔ Discounts on tools and industry resources
✔ A network of radon pros who truly get the work you do
✔ Industry updates that keep you informed
✔ Continuing education opportunities to keep growing

Professional growth doesn’t have to be boring. Sometimes it looks a little like street art.

If you’re working in radon, v***r intrusion, or indoor environmental quality, there’s a place for you in the conversation.

👉 Scan the QR code to learn more about becoming part of the community.

Question for the pros out there:
What’s been the most valuable part of being connected to other professionals in this industry?

Address

Hendersonville, NC
28792

Opening Hours

Monday	9am - 4:30pm
Tuesday	9am - 4:30pm
Wednesday	9am - 4:30pm
Thursday	9am - 4:30pm
Friday	9am - 4:30pm

Website

https://aarst.org/

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Radon Professionals Saving Lives

The American Association of Radon Scientists and Technologists (AARST) is a nonprofit, professional organization whose members are dedicated to the highest standard of excellence and ethical performance of radon measurement, radon mitigation and transfer of radon information for the benefit of members, consumers and the public at large. Learn More - visit our website www.AARST-NRPP.com