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.

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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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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