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New
Jersey Department of Environmental Protection
SCHOOL
RADON TESTING PROGRAM
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Testing Procedures
Due to
initial reports that testers have found windows open during
the testing period while testing schools for radon, it is essential
that school administrators understand the following.
Open
windows may make testing invalid - Radon is a
gas that is sensitive to air flow and pressure. Open
windows or exterior doors (except for normal entering and exiting)
may significantly affect radon results. Test results may be
higher or lower than results from testing done with the building
properly closed.
Open
windows will be reported in the test results to schools
– Any open windows, or any exterior doors left open for
long periods, should be reported by the tester to the certified
radon measurement business. The business will then include a
statement in their report to schools that the building was not
properly closed during testing, which may make the test results
invalid. In such cases, parents or staff may insist that testing
be repeated to obtain valid results.
What
can you do to ensure that windows and doors are kept closed?
- Have
the principal meet with staff to discuss the importance of keeping windows and exterior doors
closed (except for normal entering and exiting) during radon testing.
- Place
signs around the building as reminders to keep windows and
doors closed. Attached is a sample sign
that can be used.
If
you have questions – Call the Department of
Environmental Protection Radon Section at (800) 648-0394.
Radon Main Page
Sample Sign
RADON
TEST IN PROGRESS!
Keep
windows and exterior doors closed except for normal entering
and exiting. Open doors and windows may invalidate test results!
For
further information on radon, contact the DEP Radon Information
Line at (800) 648-0394 or Website at www.njradon.org.
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