Radon Mitigation Specialist NRPP Exam Study Guide, Radon Mitigation Installer NRPP Exam Study Guide, Radon Mitigation, Radon Measurement

Radon Mitigation Specialist NRPP Exam Study Guide, Radon Mitigation Installer NRPP Exam Study Guide, Radon Mitigation, Radon Measurement Radioactive elements - Answer️️ -Elements that decay and release protons, changing their atomic number Rn - Answer️️ -Radon, part of the Uranium decay chain RDP - Answer️️ -Immediate decay product of Rn: Polonium, Lead, and Bismuth Rn measurement units - Answer️️ -picoCuries per liter (pCi/L) in the U.S., Becquerels per cubic meter (Bq/m3) internationally Alpha particles - Answer️️ -Most massive, slowest moving, and least penetrating type of radiation Beta particles - Answer️️ -Smallest mass type of radiation Gamma rays - Answer️️ -No mass, fastest moving, and deepest penetrating type of radiation Half-life - Answer️️ -Amount of time required for one-half the atoms in a sample to decay Rn half-life - Answer️️ -3.8 days Rn - Answer️️ -Group A Carcinogen, known to create cancer in humans ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM Page | 2 Epidemiological Studies - Answer️️ -Comparisons of indoor Rn concentrations in homes of lung cancer victims and non-lung cancer persons Linear no-threshold risk model - Answer️️ -Assumes any radiation dose increases the risk of cancer proportionately Rn exposure - Answer️️ -Cumulative (chronic) risk, greater for smokers and children Rn transport mechanisms - Answer️️ -Advection, diffusion, emanation, and well water transport Causes of air pressure differences - Answer️️ -Indoor/outdoor temperature differences and mechanical equipment Mechanical ventilation - Answer️️ -Can impact indoor Rn concentrations in different ways Homes served by private, drilled wells - Answer️️ -May have elevated indoor Rn due to radon in water transport Indoor Rn concentrations - Answer️️ -Commonly highest near the source (e.g., ground-contacted rooms) Measurement protocols - Answer️️ -Short-term and long-term testing deployment Closed-building conditions - Answer️️ -Required for short-term tests, including specific instructions Proper Test Location(s) - Answer️️ -Determining if the device was located in an appropriate room NRPP certified/State licensed person - Answer️️ -Determining if the test was conducted by a certified/licensed individual ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM Page | 3 NRPP approved device - Answer️️ -Determining if the measurement device was approved by NRPP Differential pressure - Answer️️ -Pressure needed to overcome stack and mechanical effects Estimate airflow needs - Answer️️ -Based on vacuum cleaner test Identify need for multiple suction points - Answer️️ -Determining if multiple points are required for effective mitigation Identify barriers to sub-slab communication - Answer️️ -Recognizing obstacles that prevent effective communication Recognize sub-slab hazards - Answer️️ -Identifying potential dangers in the sub-slab area Select membrane type - Answer️️ -Choosing the appropriate membrane based on specific requirements Select soil gas collector type - Answer️️ -Choosing the appropriate collector for soil gas Design interconnections of vent piping - Answer️️ -Determining how multiple crawlspaces are connected Treat inaccessible crawlspaces - Answer️️ -Addressing crawlspaces that are difficult to access Identify potential interaction with building appliances - Answer️️ -Recognizing how the mitigation system may interact with appliances ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM Page | 4 Determine fan location and vent discharge point - Answer️️ -Deciding where to place the fan and where the vent should discharge Avoid negative impact on plumbing and HVAC ductwork - Answer️️ -Ensuring that the mitigation system does not affect plumbing and ductwork Specify sealing of floor assemblies - Answer️️ -Detailing the sealing requirements for floor assemblies Specify balancing system to reduce air loss - Answer️️ -Designing a system that minimizes air loss Stipulate placarding/labeling - Answer️️ -Requiring appropriate labeling for the mitigation system Recognize and design means to avoid long-term failure - Answer️️ -Identifying and implementing measures to prevent long-term failure Avoid impact on occupied spaces - Answer️️ -Ensuring that the mitigat