NRPP RMFT case studies
NRPP RMFT · Put your knowledge to work in context.
The NRPP Radon Proficiency Program issues the Radon Measurement Field Technician (RMFT) credential, one of several certifications listed on the NRPP site under Measurement Technician Exams. NRPP describes itself as awarding radon practitioner credentials since 1998, recognized by the EPA and accredited by the ANSI National Accreditation Board under ANSI/ISO/IEC 17024, and it states that all certified individuals must conduct business in accordance with the applicable ANSI/AARST Standard(s). The NRPP RMFT case studies are 5 cases and about 2,921 words.
1Invalid 48-Hour CRM Test Before a Friday Closing
A real estate agent orders a 48-hour continuous radon monitor (CRM) test on a 1978 split-level before a Friday closing. You place the CRM in the finished basement - the lowest livable level - on a shelf 22 inches above the floor and 3 feet from the exterior wall.
601 words, about 3 min2Failed Duplicate Pair on a 5-Day Charcoal Test
You are conducting a 5-day charcoal canister test in a 2,400-square-foot ranch with a finished basement. Outdoor temperature is 12°F and the furnace runs constantly.
618 words, about 3 min3Post-Mitigation Verification With a Weakening Pressure Field
Six weeks after a sub-slab depressurization system was installed in a 1965 ranch, you return to verify performance. A pre-mitigation 48-hour CRM test in the basement averaged 12.6 pCi/L.
562 words, about 3 min4School Screening Plan With a Failing Classroom Duplicate
A K-8 school district asks you to screen its building for radon during winter break. The building has 28 frequently occupied ground-contact rooms on slab, 12 second-floor classrooms, and a gym with a concrete slab and floor drains.
577 words, about 3 min5Out-of-Calibration CRM and Wood Stove Spikes
You are hired to test a two-story 1962 home with a basement wood stove, a sump pit, and a CRM whose calibration sticker is dated 14 months ago. The homeowner wants a 48-hour test before listing.
563 words, about 3 min