Radon Certification Test - Citizen's Guide to Radon
Test Questions and Answers
What is the half life for Radon - -3.8 days
-According to the EPA, a short term measurement is recommended because they are
considered: - -To deliver results more quickly than long term measurements
-A short term testing period is: - -Anything less than 90 days
-What is the minimum distance between the detector and doors or windows? - -3 ft
-What is the minimum distance above the floor at which a non-hanging detector can be
placed? - -20 in.
-What is the minimum distance above the floor which a hanging detector should be? - -6 -
8 ft
-What is the minimum distance between a detector and any other object? - -3 in.
-What is the purpose of "Closed Building Conditions"? - -To make the measurement
reproducible
-"Closed Building Conditions" are used only for what kind of tests? - -Short-term ( 2 to 90
days)
-In "closed building conditions", required 12 hours prior to the measurement... - -...if the
test is 2 - 4 days
-In "closed building conditions", recommended 12 hours prior to the measurement..... -
-...if the test is 4 - 7 days
-In "closed building conditions", not required or recommended, if the test is..... - -...if the
test is lasting longer than 90 days
-In cases where "closed building conditions" must be viewed more rigorously, include: - -
Cases where "closed building conditions" are not the normal living conditions
-What measurement period should unusually severe weather to be considered to preclude
(hinder) the measurement? - -2 - 3 day test
-Indoor air concentrations of radon are how many times higher than outdoor
concentrations? - -3 times higher
Test Questions and Answers
What is the half life for Radon - -3.8 days
-According to the EPA, a short term measurement is recommended because they are
considered: - -To deliver results more quickly than long term measurements
-A short term testing period is: - -Anything less than 90 days
-What is the minimum distance between the detector and doors or windows? - -3 ft
-What is the minimum distance above the floor at which a non-hanging detector can be
placed? - -20 in.
-What is the minimum distance above the floor which a hanging detector should be? - -6 -
8 ft
-What is the minimum distance between a detector and any other object? - -3 in.
-What is the purpose of "Closed Building Conditions"? - -To make the measurement
reproducible
-"Closed Building Conditions" are used only for what kind of tests? - -Short-term ( 2 to 90
days)
-In "closed building conditions", required 12 hours prior to the measurement... - -...if the
test is 2 - 4 days
-In "closed building conditions", recommended 12 hours prior to the measurement..... -
-...if the test is 4 - 7 days
-In "closed building conditions", not required or recommended, if the test is..... - -...if the
test is lasting longer than 90 days
-In cases where "closed building conditions" must be viewed more rigorously, include: - -
Cases where "closed building conditions" are not the normal living conditions
-What measurement period should unusually severe weather to be considered to preclude
(hinder) the measurement? - -2 - 3 day test
-Indoor air concentrations of radon are how many times higher than outdoor
concentrations? - -3 times higher
