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Radon Measurement Certification


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EPA closed their radon proficiency program in October of 1998.

Scott: NRSB (National Radon Safety Board) still has their own certification separate from NEHA-AARST.

Michael: See the bold part below.

From: http://www.epa.gov/radon/radontest.html


Please Note: EPA-issued Radon Measurement (RMP) and Mitigation (RCP) photo-identification cards, ANY item with EPA's logo or name, listing letters and identification numbers have not been valid since EPA closed its proficiency program in October 1998. Consequently, persons and companies should not represent themselves, their products or their services as "EPA Listed" or "EPA Approved" or "Meets EPA Requirements" or otherwise imply an EPA sanction. Consumers are encouraged to contact their State radon office (see our state contact list at www.epa.gov/iaq/whereyoulive.html just click on your state) for additional information or if you have a complaint/question.

After the close of EPA's National Radon Proficiency Program (RPP) in 1998, there were requests that EPA offer some form of recognition of the two existing non-Federal radon proficiency programs. EPA offered a one-time acknowledgment to both of the existing non-Federal national radon proficiency programs (The National Radon Safety Board (NRSB) and The National Environmental Health Association's (NEHA) National Radon Proficiency Program). This official acknowledgement ran through March 30, 2001 to December 31, 2002. EPA continues to encourage States, industry and consumers to work together to identify those elements that would improve non-Federal radon proficiency programs and go beyond EPA's former voluntary RPP. These improved elements should then be adopted as standards of practice.

We continue to make available some of the background materials that were part of the EPA's former National Radon Proficiency Program (RPP), specifically:

the old RPP Handbook (PDF, 131 pp, 1.2MB)

Quality Assurance Document (PDF, 124 pp, 398KB)

device protocols (HTML version) and Home Protocols (PDF, 47 pp, 720KB)

Descriptions of each of the 15 radon measurement methods (HTML version) that have been identified by the U.S. EPA and were used in EPA's former RPP. The descriptions are divided into methods appropriate for measuring radon gas and radon decay products

See also our other radon publications

If you have further questions about Radon, please call your State Radon Contact (just click on your state) or the National Radon Information Line at:


The documents above are actual links when you go to the EPA Radon site linked above.

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Contact one or both of the two privately-run national radon programs (listed below alphabetically) who are offering proficiency listing/accreditation/certification in radon testing and mitigation. (Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government.)

The National Environmental Health Association (NEHA)

National Radon Proficiency Program

Toll Free: (800) 269-4174 or (828) 890-4117

Fax: (828) 890-4161

Website: www.neha-nrpp.org/

E-Mail Address: angel@neha-nrpp.org

NEHA-NRPP Administrative Office

P.O. Box 2109

Fletcher, NC 28732

The National Radon Safety Board (NRSB)

Toll Free: (866) 329-3474

Fax: (914) 345-1169

WebSite: www.nrsb.org

E-mail Address: info@NRSB.org

The National Radon Safety Board (NRSB)

14 Hayes Street

Elmsford, NY 10523

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