Radon Exam Questions and Answers 100%
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According to the US EPA Citizens Guide to Radon, radon levels in most homes,
can be reduced to: Correct Answer-2 pCi/L or less
Homeowners should be advised to have their mitigation contractors stipulate
that they will follow: Correct Answer-Radon M...
Radon Exam Questions and Answers 100%
Pass
According to the US EPA Citizens Guide to Radon, radon levels in most homes,
can be reduced to: Correct Answer-2 pCi/L or less
Homeowners should be advised to have their mitigation contractors stipulate
that they will follow: Correct Answer-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:
Correct Answer-lung cancer
The most common radon mitigation technique at this time is: Correct
Answer-Active soil depressurization
The Radon Action Level in the United States is: Correct Answer-4.0 pico
Curies per liter of air
The submembrane mitigation strategy is applicable to which of the following
foundation types? Correct Answer-Crawl space houses
, Radon Exam Questions and Answers 100%
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What is radon? Correct Answer-An invisible, odorless, tasteless, naturally
occurring, radioactive gas.
What is the minimum deployment/sampling period for a short-term test?
Correct Answer-Two days
What is the purpose of the US EPA Map of Radon Zones? Correct Answer-To
suggest where radon resistant new construction techniques would be the most
cost-effectively employed.
Which of the following best represents the recommendation of the U.S. EPA for
citizen exposure to radon? Correct Answer-Long-term exposure to elevated
radon can increase the potential for lung cancer
Which of the following is an acceptable location for the discharge of an active
soil depressurization system? Correct Answer-Above the eave of the roof.
Which of the following locations is appropriate for the fan of an active soil
depressurization system? Correct Answer-Attic
, Radon Exam Questions and Answers 100%
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Which of the following Radon measurement approaches best estimates
occupant exposure? Correct Answer-A yearlong test with an alpha track
detector in the lowest occupied level of the home with no special precautions
for closed building conditions.
A correct statement regarding radon testing in Zone 3 areas of the EPA Radon
Potential Map is that such testing: Correct Answer-is recommended.
A significant difference between one room and the next in a building with a
large central air handling system is often caused by: Correct Answer-An
unbalanced air distribution system
After 25 years of updates by testers and state agencies, the US EPA Map of
Radon Zones is a good predictor of where indoor radon levels will not be
elevated. Correct Answer-False
How can you tell if a house contains elevated levels of radon? Correct
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
, Radon Exam Questions and Answers 100%
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first floor above the basement? Correct 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? Correct Answer-6 to 10 pCi/L
In a cold climate, stack effect is typically higher during the: Correct 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? Correct Answer-Return ducts under the slab with the air blower
on.
In most homes the main source of elevated radon levels is: Correct Answer-
the soil.
Indoor Radon levels are always higher during the winter months (November
through March) than any other time of year. Correct Answer-False
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