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Old 11/16/13, 6:11 PM
Larry W. Morrison, CMI's Avatar
Larry W. Morrison, CMI Larry W. Morrison, CMI is offline
Certified Master Inspector
Join Date: Apr 2010
Location: St. George, UT
Posts: 110
Default Radon: NRSB or NRPP

I've done the Radon courses and now even though in my state it is not required, I am ready to take the Certification Test for Radon Measurement. Anyone have any preference on which organization; NRSB - National Radon Safety Board or NRPP - National Radon Proficiency Program
advantages of one over the other?

Also are these tests open book, such as are we able to bring the EPA publications for reference and notes, especially with regard to formulas or should I make sure I have these all fresh in my mind?

Larry M.
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Old 11/16/13, 9:31 PM
Derek Grace, 16000090161's Avatar
Derek Grace, 16000090161 Derek Grace, 16000090161 is offline
Certified Professional Inspector (CPI)
Join Date: Aug 2012
Location: Cazenovia, New York
Posts: 1,666
Default Radon: NRSB or NRPP

I did the NRPP, it was closed book and a tough exam so make sure you know you're stuff. 40 per cent of my class failed...

GoldenEye Home Inspections LLC


Select your club and trust your swing
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Old 11/17/13, 8:35 AM
George Skeeters, HI-3186's Avatar
George Skeeters, HI-3186 George Skeeters, HI-3186 is offline
Certified Professional Inspector (CPI)
Join Date: Dec 2012
Location: Shelby county, Kentucky
Posts: 2,143
Default Radon: NRSB or NRPP

Check with your state level EPA as in ky they are pushing to require cert and when they do, they will accept the NRPP. Adopting them as the standard

George Skeeters
Eagles Eye Inspection Services
Shelbyville, Kentucky
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Old 2/16/19, 8:12 AM
George Herndon George Herndon is offline
Certified Professional Inspector (CPI) ®
Join Date: Jan 2019
Posts: 7
Default Re: Radon: NRSB or NRPP

So, are the NRSB and NRPP one in the same exams or are they different?

I have taken an approved NRPP 16-hour course in Radon Measurement as required pre-req for the exam and also completed the iNACHI Advanced Radon Measurement course as additional exam prep. NRPP is the only sponsor listed by PSI if you register with them. NRSB exam apparently is ordered and administered by approved proctor from the academic community? NRPP is closed book, not so sure about NRSB?

Who can clarify?
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Old 2/16/19, 10:32 PM
Don C. Hawley's Avatar
Don C. Hawley Don C. Hawley is offline
Certified Professional Inspector (CPI)
Join Date: Feb 2016
Location: Pocahontas, IL
Posts: 302
Default Re: Radon: NRSB or NRPP

Why waste your money? You have two certifications from InterNACHI. You are about to pay to take a test and pay to belong to an association your client has never heard of and would not be able to compare it to the certs you already have.
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