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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.



Beginning January 1, 2025: Update to NRPP Exam and Certification Fees

Effective January 1, 2025, NRPP fees for Exams, Initial Certifications, and Renewal Certifications will be updated. This change reflects NRPP's ...
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First Certification Cycle To-Do List

Congrats on becoming NRPP certified! If this is your first year being certified, it's important to start looking ahead at ...

NRPP Accredited by the ANSI National Accreditation Board

NRPP ISO/IEC 17024 Accreditation The ANSI National Accreditation Board (ANAB) has accredited the National Radon Proficiency Program (NRPP) certification program ...

SGM Compliance Inspector Exam & Cert Now Available

The new NRPP Soil Gas Mitigation Compliance Inspector (SGM-CI) Exam and Certification are now live. This credential is targeted for those ...
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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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