Indoor Environments 2024 ™
Radon and Vapor Intrusion Symposium

September 15 – 18, 2024
Hyatt Regency Grand Cypress
1 Grand Cypress Blvd. Orlando, FL 32836

Welcome to Indoor Environments 2024™ Radon and Vapor Intrusion Symposium, formerly the AARST International Radon and Vapor Intrusion Symposium.

Indoor Environments Association is a nonprofit professional technical organization that serves a unique role as an ANSI-AARST standard-setting body, demonstrating long-term stewardship and providing its accredited professionals with the tools and education to be leaders in the soil gas industry.

As IEA grows, the symposium also grows the range of attendees and vendors. Attendees are technicians in the field of radon and vapor intrusion measurement and remediation, states and tribes program leaders, and increasingly more environmental companies attend for training and to expand their forums. Indoor Environments 2024 is the definitive source for government agencies, advocates, educators, scientists, and companies sourcing field application-based needs seeking the leading indoor environments gathering annually.

Call For 2024 Speakers Now Open

Proposals are currently being accepted for but not limited to: session topics, abstracts regarding research, papers, policy, business, soil gas studies, mitigation best practices, and more. Please visit the Call for Speakers page for more details.

Exhibitor Prospectus – Priority List selections begins February 20th

New Exhibitors, please advance register to receive notice of the 2024 Prospectus. REGISTER HERE