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.

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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Two NEW ANSI-AARST Standards Published

The AARST Standards Consortium has been hard at work and has two new publications ready to be released as final ...
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