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Radon Certification Exam| Questions and 100% Complete Solutions| A+ Rated
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Radon Certification Exam| Questionsand 100% Complete Solutions| A+ Rated
Which driving force is responsible for the greatest amount of radon entry? - ✔Air
pressure differentials
What driving force is associated with the stack effect? - ✔Temperature differences
What driving force is associated with diffusion? - ✔Concentration differences
Radon and Radon decay product measurements that are permitted to be used for real
estate testing and yield a single average reading over a period of time. - ✔Time Integrated
Measurements
Radon and Radon decay product measurements that are taken over a few seconds or minutes
and are allowed to reach secular equilibrium and are counted for at least 10 minutes. -
✔Grab Measurements
Radon and Radon decay product measurements that show the average radon concentration
and hourly trends. - ✔Continuous measurements
Radon and Radon decay products that are taken over a few seconds or minutes and
are immediately counted. - ✔Sniffing measurements
How long should closed house conditions be maintained prior to a short-term test lasting less
than 4 days? - ✔12 hours prior to initial testing
For s short-term test lasting less than 7 days how long should closed house conditions
be maintained? - ✔They do not need to be maintained prior to initiating testing.
, What is the minimum distance a radon detector should be placed from the floor? - ✔20
inches or almost 2 feet
What is the minimum distance a radon detector should be placed from any object other
than the floor, exterior wall, or opening to outdoors? - ✔4 inches
What is the minimum distance a radon detector should be placed from an outside wall without
an opening? - ✔1 foot
What is the minimum distance a radon detector should be placed from an opening to
the outside? - ✔3 feet
An initial short-term measurement followed by a long-term measurement if the first test
yielded results between 4 and 10 pCi/L is an appropriate measurement option for.... -
✔homeowners interested in their own exposure to radon
An initial short-term measurement followed by a second short-term measurement regardless of
the results of the first measurement is an option available to..... - ✔be used during a real
estate transaction that is known as the "sequential option"
Two short term measurements conducted simultaneously and placed 4 inches apart is known
as... - ✔the simultaneous option and is available to be used during a real estate transaction
What quality assurance criteria should a simultaneous measurement during a real estate
transaction meet if one test was 3.0 and the other was 5.9? - ✔The higher measurement
must be less than twice the lower measurement.
What quality assurance criteria should be met when using the simultaneous option during
a real estate transaction where the radon measurements were 5.2 and 7.9? - ✔a RPD of
less than 36%
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