Information for Locating Radon Professionals
The Lead & Healthy Homes Division (LHHD) has the responsibility of licensing radon testers and mitigators in the State of Indiana, and providing the public of Indiana information about radon and its effects.
Test, Fix, Save a Life
** Emergency Radon Rule Amendment – July 8, 2020 **
More information about the emergency rule amendment can be found below and here.
On July 8, 2020 an emergency radon rule amendment revising the certification and standards requirements regarding radon testing, mitigation, and laboratory analysis, in accordance with the requirements of House Enrolled Act (HEA) 1334 from the 2020 Legislative Session, was passed by the ISDH Executive Board. The changes approved will impact, among other things, updates to current industry standards of practice, a modification of license terms, and national and state credential requirements.
Guide to the Radon Testing / Mitigation Process:
Forms to report radon testing and mitigation:
For a list of the Indiana-licensed radon testing and mitigation companies, please refer to:
Uncertain if you need a Primary Tester, Secondary Tester, or Mitigator?
Indiana Radon Hotline: 1-800-272-9723
The following information is available on Indiana Radon Rule - 401 IAC 5
- Definition of what is an Indiana-Licensed Radon Tester and/or Radon Mitigator Description of List
- Verify a license for an Indiana Radon Tester, Mitigator, or Radon Laboratory Tester
- Application for Radon Tester/Mitigator License in Indiana State Form 45703 (current version)
The following sites provide additional information about radon:
- U.S. Environmental Protection Agency (EPA) Radon Page
- U.S. EPA Radon Publications
- National Environmental Health Association (NEHA) National Radon Proficiency Program
The following sites provide National Certification that is required prior to obtaining an Indiana Radon Professional license:
The following sites provide information about Indiana and radon prevention.
A coupon to purchase a radon test kit can be found here.
To receive a low-cost, radon short-term or long-term test kit, contact:American Lung Association
Indiana Radon Program Coordinator:
Contact: Phil Waters at 1-317-234-8604 or firstname.lastname@example.org