Awarding Radon Practitioners with the Most Highly Respected Credentials Since 1998

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. Private certification is required by multiple federal and state agencies.

NRPP is recognized by the EPA, and accredited by the ANSI National Accreditation Board (ANAB) under ANSI/ISO/IEC 17024, General Requirements for Bodies Operating Certification Systems of Persons.

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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