Tickets

Indoor Environments 2025™
The 39th Annual Radon and Vapor Intrusion Symposium

Save the date: Fort Worth, Texas
October 26-29, 2025

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Registration Rates

Early Bird Registration (ENDS JULY 1st )

Full Registration (IEA/AARST Member) | $645
Full Registration (Non-Member) | $800

Monday Only (IEA/AARST Member) | $445
Monday Only (Non-Member) | $545

Tuesday Only (IEA/AARST Member) | $445
Tuesday Only (Non-Member) | $545

Advance Registration (July 2nd – October 19th)

Full Registration (IEA/AARST Member) | $745
Full Registration (Non-Member) | $900

Monday Only (IEA/AARST Member) | $445
Monday Only (Non-Member) | $545

Tuesday Only (IEA/AARST Member) | $445
Tuesday Only (Non-Member) | $545

Onsite Registration (October 20th – October 27th)

Full Registration (IEA/AARST Member) | $840
Full Registration (Non-Member) | $995

Monday Only (IEA/AARST Member) | $495
Monday Only (Non-Member) | $570

Tuesday Only (IEA/AARST Member) | $495
Tuesday Only (Non-Member) | $570

Student Registration

IEA encourages student attendance and offers a discounted rate of $450 for full symposium registration.  Qualifications: Current student ID, transmitted to IEA upon request of Student Ticket. Request Student Ticket Here

Registration

Attention IEA/AARST Members.  Sign in to MY ACCOUNT now to receive your member discount on symposium registration.

Original price was: $900.00.Current price is: $800.00. Add to cart

Full Registration  

$545.00 Add to cart

Monday Only Registration  

$545.00 Add to cart

Tuesday Only Registration  

Symposium Extras:
Monday or Tuesday Lunch (Guest Ticket) Bring your guest to lunch! (Attendees’ lunch is included in your registration.) 

$85.00 Add to cart

Monday Guest Lunch Plate  

$85.00 Add to cart

Tuesday Guest Lunch Plate  

$100.00 Add to cart

Opening Reception Guest Ticket

Be a Friend of the Symposium! For a little extra, you will support the activities and overall symposium and will be listed in the program as a Friend of the Symposium. Thank you!

$50.00 Add to cart

Friend of Symposium  

To support the symposium in other ways, please contact symposium@aarst.org

For questions and more information, please contact: Symposium@IndoorEnvironments.org