Registration is available for Full Registration, Monday-only and Tuesday-only. Sunday C.E. courses and Guest Tickets for special activities are not included in any registration package and are available for an additional cost.

Full Symposium Registration includes: Admittance to the exhibits beginning on Sunday, October 23, at 2 p.m., Opening Reception on Sunday, October 23, at 6 – 8 p.m., all sessions Monday and Tuesday, Monday evening happy hour from 5 – 6:30 p.m., breaks and lunches on Monday and Tuesday, Tuesday Meet & Greets, free C.E. with quiz, and the Wednesday Workshop of your choice. Wednesday Workshops are free with a full registration, attendees must register in advance for the workshop of their choice through the Registration Completion Form received after initial registration.

Monday-only Registration includes: Admittance to all sessions on Monday, Monday evening AARST-hosted Happy Hour from 5 – 6:30 p.m., breaks and lunch, free C.E with quiz.

Tuesday-only Registration includes: Admittance to all sessions on Tuesday, and all after-hours Meet and Greets, free C.E with quiz.

All sessions in all rooms and the exhibit hall are open to every attendee. Additionally, AARST and CRCPD have an open door policy for sessions; everyone is invited to any session which interest them. Agendas for the CRCPD conference will be supplied to all AARST attendees.

Cancellation Policy: 
100% refund through July 31, 50% refund August 1- September 15, no refund after September 15.

Symposium Hours:
Sunday, October 23, 2022

Exhibits 2:00 – 8:00 p.m.
Opening Reception in Exhibit Hall 6:00 – 8:00 p.m.
Pre-symposium C.E. courses 8:00 a.m. to 5:00 p.m.
Monday, October 24, 2022 
Sessions/Exhibits 8:00 a.m. to 5:00 p.m.
Happy Hour 5:00 – 6:30 p.m.
Tuesday, October 25, 2022
Sessions/Exhibits 8:00 a.m. to 5:00 p.m.
Meet & Greets 5:00 – 6:00 p.m.
Wednesday, October 26, 2022
Workshops 9:00 – 11:00 a.m.

Check in Hours: 

Onsite Registration, check in and help:

Sunday 9:00 a.m. to 5:30 p.m.

Monday 7:00 a.m. to 5:00 p.m.

Tuesday 7:00 a.m. to 5:00 p.m.

Wednesday 8:00 – 10:00 a.m.

 AARST International Radon and Vapor Intrusion Symposium Registration

STOP! If you are from the STATES (registering for the CRCPD Radon Training Conference)  Register here
If you don’t know – please contact Mendy Cremeans at (502) 227-4543 Ext. 2225 or

Full Symposium Registration

$659.00 Add to cart

Monday-only Registration

$350.00 Add to cart

Tuesday-Only Registration

$350.00 Add to cart

Sunday Pre-Symposium Continuing Education Courses

Sunday pre-symposium courses are not included in the cost of the symposium registration. 

Radon Mitigation Compliance Inspector Certification-prep Course
KSU-8000 8 hours

$280.00 Add to cart

Radon Measurement in Multi-Family Buildings
KSU-600 8 hours

$280.00 Add to cart

Multifamily Radon Mitigation
SPRUCE-601 8 hours

$280.00 Add to cart

Radon Challenges Episode II – Gnarly Tales from the Field-Part II
CERTI-8000  8 hours

$280.00 Add to cart

Vapor Intrusion Mitigation Diagnostics, Design and Monitoring
OBAR-8001 4 hours

$140.00 Add to cart

Special Event Guest Tickets

Guest tickets for special events such as the opening reception and happy hour are included in most types of attendee registrations (excpet for the Friends and Family Outing).
Please review the ticket you are purchasing and what it includes before selecting an event Guest Ticket.

Opening Reception Sunday
October 23, 6-8 p.m.

$45.00 Add to cart

Happy Hour Monday
October 24,  5-6:30 p.m.

$55.00 Add to cart

Friends and Family Outing: “Treat Yourself to Seattle”
October 25, 9 a.m. to 4 p.m.

$55.00 Add to cart