
Awarding Radon Practitioners with the Most Highly Respected Credentials Since 1998
Recognized and demanded by both federal agencies and state radon programs,
NRPP credentials indicate to building owners and service providers the mastery of
the specific skills required to successfully complete radon testing and remedial projects.
Achieving and maintaining NRPP certification requires biennial documentation of competence,
expertise and performance to demonstrate skill, knowledge and quality control.

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NRPP Certification & AARST Membership
What's the Difference?
Manufacturer Device Performance Test (DPT) Requirements
To maintain listing of an approved device, manufacturers are to submit devices to an NRPP approved secondary chamber for a ...
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STAR Requirements for CRM Manufacturers
With the publication of the ANSI-AARST MS-QA Radon Measurement Systems Quality Assurance, CRM manufacturers were made aware that compliance with ...
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Device Specific Training
Certified Measurement Professionals are to successfully complete a supplemental training program that is specific to the device they declare they ...
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EPA Recommends States Reference ANSI/AARST Radon Standards
On August 29, 2019, the U.S. Environmental Protection Agency EPA released guidance recommending that states reference the most current voluntary ...
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NRPP – Working Toward ANSI Accreditation
NRPP is working toward ANSI/ISO 17024 Accreditation for Personal Certification Bodies and several steps have already been completed. First, there ...
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