Radon Certification ideas

I passed the InterNachi radon test, but I need to do more studying to pass the NRPP exam. Im looking for ideas on how to more completely prepare to pass when i retake the exam. Any webinars or study guides that anyone knows of? I plan on going through the initial course from InterNachi again

Check out the EPA’s radon website. They have additional reading materials. Make sure to check out the materials aimed at homeowners also. It seems to me some of the questions that were on the test I took came from info in the EPA’s homeowner’s guides.

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