NRPP RMP study guide
NRPP RMP · Work through your exam, one topic at a time.
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. The NRPP RMP study guide has 6 sections and about 1,503 words.
01Radon Measurement Fundamentals and Physics
Radon-222 is a colorless, odorless, chemically inert noble gas produced in the uranium-238 decay chain. Its immediate parent is radium-226; its short-lived progeny (polonium-218, lead-214, bismuth-214, polonium-214) are the solid, charged particles that attach to aerosols and deliver most of the lung dose.
275 words, about 1 min02Radon Entry, Transport, and Building Dynamics
Soil gas is the dominant source in most homes. Radon moves by two mechanisms: diffusion (slow, short distances) and advection (pressure-driven bulk flow, the major pathway).
272 words, about 1 min03Measurement Devices and Protocols
Devices divide into passive (no power, integrating) and active (pumped, often continuous). Passive: charcoal canisters and liquid scintillation (2–7 days), alpha-track (1–12 months), electret ion chambers.
254 words, about 1 min04Quality Assurance and Quality Control
QA is the planned system; QC is the checks that verify it. Key QC elements include duplicates (precision), blanks (contamination), spikes (accuracy), calibrations, and control charts.
238 words, about 1 min05Regulations, Standards, and Ethics
Key reference levels: EPA action level 4 pCi/L for homes; EPA recommends considering mitigation between 2 and 4 pCi/L. The World Health Organization recommends a reference level of 100 Bq/m³ (~2.7 pCi/L).
239 words, about 1 min06Client Communication and Reporting
Reports must be clear, accurate, and complete: device type, placement, test dates, closed-house conditions, results with units and uncertainty, comparison to the action level, and limitations (short-term vs. long-term variability).
225 words, about 1 min