The Connecticut Department of Public Health requires that all individuals who perform radon tests in Connecticut take training and attain certification that is approved by NRPP and AARST.
Visit www.nachi.org/connecticutapproval.htm for details.
InterNACHI’s free, online “Advanced Radon Measurement Service Provider Course” is NRPP- and AARST-approved and located is at http://www.nachi.org/radon-measurement-service-provider-online-course.htm