Presented by the Indoor Environments Association (IEA), The Indoor Environments Project is the podcast that takes you beneath the surface of radon, vapor intrusion, and indoor air quality. We explore the science, stories, ethics, and standards shaping the built environment—from homes to workplaces and everything in between.
Each month, we sit down with leading experts, seasoned professionals, and sharp thinkers to tackle the industry's most pressing challenges, uncover historical milestones, and imagine what’s next for indoor environmental health.
Whether you're a seasoned professional, policy advocate, or just curious about the air you breathe, this podcast delivers insight, practical knowledge, and a few surprises along the way.
📅 New episodes drop the 4th Wednesday of every month.
Subscribe today and join the conversation on the spaces we live, work, and thrive in.
#IndoorAirQuality #Radon #VaporIntrusion #IEApodcast
Send us Fan Mail Installing a vapor mitigation system may solve an immediate exposure problem—but what happens five, ten, or twenty years later? In this episode of The Indoor Environments Project, host Diane Swecker talks with Jennifer Borski of the Wisconsin Department of Natural Resources and Susan McKinley of the Indiana Department of Environmental Management about Operation, Maintenance and Monitoring (OM&M) and the long-term stewardship required to keep vapor mitigation systems prote...
26 Aug 2026
Beyond the Manometer: Inspecting Radon Mitigation Systems
Send us Fan Mail Beyond the Manometer: Inspecting Radon Mitigation SystemsA radon mitigation fan is running. The manometer shows pressure. The post-mitigation test came back low. So, is the system good? In this episode of The Indoor Environments Project, host Diane Swecker is joined by Bruce Snead, instructor for the NRPP Soil Gas Mitigation Compliance Inspector course, and Greg Johns, a professional home inspector and certified Soil Gas Mitigation Compliance Inspector, to look beyond whether...
22 Jul 2026
What Property Owners Wish Every Environmental Professional Knew
Send us Fan Mail What happens after the environmental report is delivered? Consultants investigate. Engineers design. Contractors install. But ultimately, someone has to decide what happens next. In this episode of The Indoor Environments Project, host Diane Swecker welcomes Mark Quimby, Vice President of Ashley Capital and former environmental consultant, for a conversation about vapor intrusion from a perspective rarely discussed—the property owner responsible for balancing environmental ri...
27 May 2026
How Standards, Design, and Reality Collide in Vapor Intrusion Work
Send us Fan Mail Vapor intrusion mitigation is rarely straightforward. In this episode of The Indoor Environments Project, host Diane Swecker is joined by Rachel Saari and Tony McDonald for an in-depth discussion on what happens when pilot testing, system design, standards, and real-world building conditions collide. From pressure field extension and pilot testing methodology… to flow versus vacuum… to system overdesign, discharge considerations, and the realities of large-scale buildings… th...
22 Apr 2026
Radon in Water: Understanding Sources, Exposure Pathways, Testing, and Mitigation
Send us Fan Mail Radon is most often discussed as an indoor air issue — but what about radon in water? In this episode of The Indoor Environments Project, we explore a lesser-known yet important pathway of exposure: radon in well water. For homes that rely on private wells, radon in water can contribute to indoor air levels and raise important questions about testing, health risks, and mitigation. Host Diane Swecker is joined by Dr. Uttam Saha and Dr. Michael Kitto, two leading experts whose ...
25 Mar 2026
When Vapor Intrusion Gets Complicated: Design, Testing, and What Really Matters
Send us Fan Mail In this episode of The Indoor Environments Project, host Diane Swecker is joined by Rachel Peterson, P.G., Environmental Department Manager at AGW, and Tony McDonald, CEO of A-Z Solutions, for a deep dive into vapor intrusion in practice. While vapor intrusion is often discussed alongside radon mitigation, this conversation explores where the similarities end — and where complexity begins. Together, they unpack how vapor intrusion projects are identified, designed, and execut...
25 Feb 2026
Beyond the Snapshot: Radon as a Lifetime Risk
Send us Fan Mail Radon risk is not a snapshot in time — it’s a lifetime exposure. In this episode of The Indoor Environments Project, we’re joined by Dr. Alison Wallace, thoracic surgeon and lung cancer researcher, to explore how cumulative radon exposure contributes to lung cancer risk — particularly among never-smokers. Dr. Wallace shares insights from her ongoing research in Nova Scotia, where elevated residential radon levels have prompted new investigation into biologic “signatures” of l...
7 Jan 2026
AI in the Radon Industry: Tools, Trust, and the Role of Professionals
Send us Fan Mail Artificial intelligence is showing up everywhere — but what does it actually mean for the radon industry? In this episode of The Indoor Environments Project, we take a grounded, professional look at how AI is beginning to influence radon measurement, mitigation design, quality control, documentation, and public communication — and where firm boundaries still need to remain. January is Radon Awareness Month, making this conversation especially timely. While AI can support bett...
26 Nov 2025
Standards: Why They Matter
Send us Fan Mail Episode 5: Standards – Why They MatterIn this episode of The Indoor Environments Project, we dig into one of the most powerful forces shaping our industry: standards. From radon and vapor intrusion to environmental due diligence—standards make our work safer, more consistent, and grounded in science. Fresh off an incredible IEA Symposium in Fort Worth, we’re joined by two leaders who live and breathe this work every day: 🧪 Myca Bruno Managing Director of Indoor Air Quality a...
22 Oct 2025
When No One’s Watching: The Ethics Episode
Send us Fan Mail In this episode of The Indoor Environment Project, host Diane Swecker sits down with Amy Roedl, NRPP Director of Proficiency, and Mark Ungerer, Health Physicist Supervisor with the Kansas Department of Health and Environment, for an honest and thought-provoking conversation about ethics in the radon and indoor environmental industries. Together, they explore what ethical behavior really looks like in day-to-day practice, the difference between technical and conduct violations...
24 Sept 2025
The Cost of No Standards
Send us Fan Mail Episode 3: The Cost of No Standards What happens when radon and vapor intrusion work goes unregulated? In this episode of the Indoor Environments Podcast, host Diane Swecker explores the real-world risks of operating without consistent standards, certification, or licensing. She’s joined by two industry leaders: Jane Malone, National Policy Director at the Indoor Environments Association, with more than 40 years of experience in housing and environmental health.Kyle Hoylman, ...
27 Aug 2025
From Discovery to Direction – The Radon Journey
Send us Fan Mail In this episode of The Indoor Environments Project, we’re taking a step back—and a big step forward. Join us for a fascinating conversation with Zan Jones, a longtime advocate, educator, and leader in the radon industry, as we explore the history of radon, how the industry first took shape, and where it’s headed next. We’ll cover: How radon was first “discovered” in homes (spoiler: it was almost by accident)The pivotal moments that shaped the radon and indoor air quality indu...
30 Jul 2025
Houses from Heck
Send us Fan Mail Welcome to the premiere episode of The Indoor Environments Project, the podcast where we explore the evolving world of indoor air quality. In this debut, we’re joined by two industry rockstars: Joshua Kerber, Environmental Research Scientist with the Minnesota Department of Health, and Chad Robinson, founder of Building Performance Co., veteran mitigator and educator from Kansas State University’s Regional Radon Training Center. Together, they’ve seen it all—and they’re...
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