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Certification for the professionals who measure and mitigate radon in homes and buildings across the United States.

Awarding Radon Practitioners with Credentials since 1998

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.

The NRPP requires all certified individuals to conduct business in accordance with

the applicable ANSI/AARST Standard(s).

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.

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The National Radon Proficiency Program certifies the people who measure and mitigate radon in homes and buildings across the United States.

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