Radon Exam Study Guide with
Complete Solutions
According to the US EPA Citizens Guide to Radon, radon levels in most homes, can be
reduced to: - Answer️️ -2 pCi/L or less
Homeowners should be advised to have their mitigation contractors stipulate that they
will follow: - Answer️️ -Rado...
How can you tell if a house contains elevated levels of radon? - Answer✔️✔️-Test for
radon.
If a short-term, closed building radon test is conducted in the basement of a home with
a result of 10 pCi/L, what can be said about the radon levels on the first floor above the
basement? - Answer✔️✔️-The first floor radon level is likely to be equal to or less than
the basement measurement of 10
If the water for a home comes from an underground well that has 60,000 pCi/L in the
water, how much radon will be added to the air of the home due to normal usage of
water? - Answer✔️✔️-6 to 10 pCi/L
In a cold climate, stack effect is typically higher during the: - Answer✔️✔️-Winter
In a house with a forced air heating and cooling system, which of the following
conditions would most likely increase short-term indoor radon concentrations the most?
- Answer✔️✔️-Return ducts under the slab with the air blower on.
In most homes the main source of elevated radon levels is: - Answer✔️✔️-the soil.
Indoor Radon levels are always higher during the winter months (November through
March) than any other time of year. - Answer✔️✔️-False
On a nationwide basis, which of the following radon entry mechanisms account for the
greatest amount of radon entry? - Answer✔️✔️-Convective movement of soil gas into the
building.
On an overall basis for similarly constructed homes in the same climatic area, under
which of the following conditions might one expect the highest radon entry into a home?
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