Radon Mitigation Specialist NRPP Exam Study Guide questions with answers

Radon Mitigation Specialist NRPP Exam || || || || ||




Study Guide questions with answers || || || ||




Radioactive elements - CORRECT ANSWERS ✔✔Elements that decay and
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release protons, changing their atomic number
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Rn - CORRECT ANSWERS ✔✔Radon, part of the Uranium decay chain
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RDP - CORRECT ANSWERS ✔✔Immediate decay product of Rn: Polonium,
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Lead, and Bismuth || ||




Rn measurement units - CORRECT ANSWERS ✔✔picoCuries per liter
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(pCi/L) in the U.S., Becquerels per cubic meter (Bq/m3) internationally
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Alpha particles - CORRECT ANSWERS ✔✔Most massive, slowest moving,
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and least penetrating type of radiation
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Beta particles - CORRECT ANSWERS ✔✔Smallest mass type of radiation
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Gamma rays - CORRECT ANSWERS ✔✔No mass, fastest moving, and
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deepest penetrating type of radiation
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,Half-life - CORRECT ANSWERS ✔✔Amount of time required for one-half
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the atoms in a sample to decay
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Rn half-life - CORRECT ANSWERS ✔✔3.8 days
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Rn - CORRECT ANSWERS ✔✔Group A Carcinogen, known to create cancer
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in humans
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Epidemiological Studies - CORRECT ANSWERS ✔✔Comparisons of indoor || || || || || || || ||



Rn concentrations in homes of lung cancer victims and non-lung cancer
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persons



Linear no-threshold risk model - CORRECT ANSWERS ✔✔Assumes any
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radiation dose increases the risk of cancer proportionately
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Rn exposure - CORRECT ANSWERS ✔✔Cumulative (chronic) risk, greater
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for smokers and children
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Rn transport mechanisms - CORRECT ANSWERS ✔✔Advection, diffusion,
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emanation, and well water transport || || || ||




Causes of air pressure differences - CORRECT ANSWERS ✔✔Indoor/outdoor
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temperature differences and mechanical equipment
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Mechanical ventilation - CORRECT ANSWERS ✔✔Can impact indoor Rn
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concentrations in different ways || || ||

,Homes served by private, drilled wells - CORRECT ANSWERS ✔✔May have
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elevated indoor Rn due to radon in water transport
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Indoor Rn concentrations - CORRECT ANSWERS ✔✔Commonly highest
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near the source (e.g., ground-contacted rooms)
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Measurement protocols - CORRECT ANSWERS ✔✔Short-term and long-term
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testing deployment
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Closed-building conditions - CORRECT ANSWERS ✔✔Required for short-
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term tests, including specific instructions
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Proper Test Location(s) - CORRECT ANSWERS ✔✔Determining if the device
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was located in an appropriate room
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NRPP certified/State licensed person - CORRECT ANSWERS ✔✔Determining
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if the test was conducted by a certified/licensed individual
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NRPP approved device - CORRECT ANSWERS ✔✔Determining if the
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measurement device was approved by NRPP || || || || ||




Differential pressure - CORRECT ANSWERS ✔✔Pressure needed to
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overcome stack and mechanical effects || || || ||

, Estimate airflow needs - CORRECT ANSWERS ✔✔Based on vacuum cleaner
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test



Identify need for multiple suction points - CORRECT ANSWERS
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✔✔Determining if multiple points are required for effective mitigation
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Identify barriers to sub-slab communication - CORRECT ANSWERS
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✔✔Recognizing obstacles that prevent effective communication || || || || ||




Recognize sub-slab hazards - CORRECT ANSWERS ✔✔Identifying potential
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dangers in the sub-slab area
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Select membrane type - CORRECT ANSWERS ✔✔Choosing the appropriate
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membrane based on specific requirements
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Select soil gas collector type - CORRECT ANSWERS ✔✔Choosing the
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appropriate collector for soil gas || || || ||




Design interconnections of vent piping - CORRECT ANSWERS
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✔✔Determining how multiple crawlspaces are connected || || || || ||




Treat inaccessible crawlspaces - CORRECT ANSWERS ✔✔Addressing
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crawlspaces that are difficult to access || || || || ||