Radon Exam Questions and Answers 100%
Correct
EPA currently estimates that how many homes have elevated radon levels?
Correct Answer-1 out of every 15 homes.
What is the average outdoor radon concentration in the US? Correct Answer-
.4 pCi/l.
2pCi/l indicates that in a 1 liter volume of ai...
Radon Exam Questions and Answers 100%
Correct
EPA currently estimates that how many homes have elevated radon levels?
Correct Answer-1 out of every 15 homes.
What is the average outdoor radon concentration in the US? Correct Answer-
.4 pCi/l.
2pCi/l indicates that in a 1 liter volume of air there is how many decays per
minute? Correct Answer-4.4 decays per minute.
What does a working level measure? Correct Answer-Energy released by
Radon daughters.
What method of radon testing can be used for the longest period on time?
Correct Answer-Alpha Tracks (months - year).
Why is radon in homes generally higher in winter than in summer? Correct
Answer-There is less ventilation in a home in the winter than in summer.
, Radon Exam Questions and Answers 100%
Correct
Known affects of high dose radiation leads us to prudently assume that for low
does of radiation, what? Correct Answer-A straight line hypothesis without a
threshold is most acceptable.
What does the concept of a threshold of radiation mean? Correct Answer-
There is a value below which radiation doses are harmless.
Risks of days lost associated with 1 pCi/l of radon exposure over a lifetime is
equivelant to what? Correct Answer-Smoking 1 cigarette/day.
True or False? Radon uses windows as a typical entry route? Correct Answer-
False.
Name three typical entry routes for radon? Correct Answer-Cracks in
foundation floors, well water, block walls below grade.
True or False? It is easy for radon to enter into water? Correct Answer-False.
How does rainfall effect radon levels and why? Correct Answer-Rainfall
increases Radon concentrations in homes. Rainfall densifies routes that radon
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