NRPP RMP case studies
NRPP RMP · Put your knowledge to work in context.
The NRPP Radon Proficiency Program issues the Measurement Professional credential to individuals who perform radon measurement work in buildings. NRPP describes its credentials as indicating "mastery of the specific skills required to successfully complete radon testing and remedial projects," and states that 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, and it requires all certified individuals to conduct business in accordance with the applicable ANSI/AARST Standard(s). Certification is maintained through biennial documentation of competence, expertise, and performance. The NRPP RMP case studies are 5 cases and about 2,455 words.
1The Charcoal Canister Conundrum
A certified radon measurement professional places two charcoal canisters in a client's basement for a 48-hour test. The basement is 1,200 sq ft with a concrete floor and block walls.
500 words, about 3 min2The Slab-on-Grade Dilemma
A home has a slab-on-grade foundation with a visible crack along the perimeter. The radon concentration in the living room is 5.8 pCi/L, measured over 48 hours with a continuous monitor.
506 words, about 3 min3The Electret Ion Chamber Anomaly
A radon professional uses electret ion chambers (EICs) for a 7-day test in a school. Two EICs are placed in the same room: one on a shelf 5 feet above the floor and one on a desk 2.5 feet above the floor.
553 words, about 3 min4The Real Estate Deadline
A real estate agent calls a radon professional on a Friday afternoon, requesting a radon test for a home sale closing on Monday. The professional is certified and follows EPA protocols.
451 words, about 2 min5The Post-Mitigation Verification
A radon mitigation system was installed in a home with an initial radon level of 12 pCi/L. The system is an active soil depressurization (ASD) with a single suction point and a 4-inch PVC pipe.
445 words, about 2 min