Radon air measurement Study guides, Class notes & Summaries

What are the characteristics of radon? - Is not detected by human senses, is naturally occurring, and does not chemically react. The nucleus of an atom consists of - protons and neutrons What is the characteristic of an atom that determines which element it is? - The number of protons= atomic number What are the annual average U.S outdoor and residential indoor radon levels? - Outdoor= 0.4 pCi/L Indoors= 1.3 pCi/L What is an ion? - an atom or molecule with a net electric charge due ...

Radon Practice Exam Questions and Answers Already Passed If you own multiple continuous Radon monitors, at what frequency should a source check take place? 6 months Radon gas will pass through most filters. True The basic parts of an atom are: neutron, proton, electron What passive device is most adversely affected by humidity? Open Faced Charcoal The EPA says that most homes can be reduced to 2.0 pCi/l or less. True Detectors should be placed 1. ___________ inch/inches fr...

What is the 1st offense penalty for engaging in the practice of residential building without a license? - Answer Not less than $5K and not more than $25K and/or 1 year What is the penalty for engaging in the practice of residential building, resulting in a death? - Answer Not less than $5K and not more than $50K and/or 4 years On your individual builder's license application, what should you write as your "business address"? - Answer Your personal address What is the cost of the indi...

According to the US EPA Citizens Guide to Radon, radon levels in most homes, can be reduced to: - 2 pCi/L or less Homeowners should be advised to have their mitigation contractors stipulate that they will follow: - Radon Mitigation Standards such as the US EPA, AARST, ASTM, or as recognized by their state radon office Prolonged exposure to radon is considered dangerous because radon can cause: - lung cancer The most common radon mitigation technique at this time is: - Active soil depres...

NRPP Radon Measurements FlashcardsIf a sample of radon is taken from a room that is known to be at 125pCi/L and is kept in a well sealed container, what will the approximate radon activity be within the container after eight days? - correct answer 31.3 Radon decay products have (or )longer shorter half lives than radon gas? - correct answer Shorter The ionization of an otherwise electrically neutral atom is used in measuring radiation. Which process best describes ionization? - correct ans...

Radon Mitigation Topic 2 In conducting a sub-slab communication test prior to the design of a sub-slab depressurization (SSD) system, which one of the following procedures is most appropriate? Select one: A. The vacuum-cleaner suction hole and the test holes should always be placed on the perimeter of the slab. B. Drill the vacuum-cleaner suction hole near the expected location of the suction pipe; drill one test hole as far away as possible. C. Drill the vacuum-cleaner suction hole near ...

NRPP Radon Measurement Technician and Professional Question and answers correctly solved 2023/2024 What is the EPA action level for Radon? - correct answer 4 pCi/L What is the risk of smokers and non-smokers getting lung cancer from Radon? - correct answer 62/1000 smokers 7/1000 non smokers What determines the risk of getting lung cancer from Radon? - correct answer Concentration of Radon and RDPs and Length of Exposure Hoe does Radon enter the home? - correct answer Radon gas moves ...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

If a sample of radon is taken from a room that is known to be at 125pCi/L and is kept in a well sealed container, what will the approximate radon activity be within the container after eight days? - 31.3 Radon decay products have (or )longer shorter half lives than radon gas? - Shorter The ionization of an otherwise electrically neutral atom is used in measuring radiation. Which process best describes ionization? - An uncharged atom gains or loses orbital electrons ()and becomes electrical...

NRPP Radon Measurements Flashcards Question and answers 2023/2024 verified to pass If a sample of radon is taken from a room that is known to be at 125pCi/L and is kept in a well sealed container, what will the approximate radon activity be within the container after eight days? - correct answer 31.3 Radon decay products have (or )longer shorter half lives than radon gas? - correct answer Shorter The ionization of an otherwise electrically neutral atom is used in measuring radiation. Whic...