Although there are no state regulations for radon testing in Texas, the Texas Radiation Control Program recommends to the public hiring an NRPP-certified professional.
To become a Certified Radon Tester, take InterNACHI’s free, online “Advanced Radon Measurement Service Provide Course,” which is NRPP-approved for both initial certification training and Continuing Education.
For more details about becoming a Certified Radon Tester in Texas.