Radon is the number
one cause of lung cancer among non-smokers. For children, radon and
second-hand smoke are the biggest risk factors for development of lung cancer. Smokers
who are exposed to radon have a much higher risk of lung cancer. Detecting
radon is different from a smoke detector or carbon monoxide detector in your
home. You have to test your home for radon with a radon test kit. It is a
colorless, odorless, invisible gas that occurs naturally in Maryland and many
Why is this Important
Radon and the
is naturally occurring in earth and rock that seeps into buildings from the
surrounding soil. The amount of radon in the soil depends on soil
chemistry, which varies from one house to the next. The amount of radon that
escapes from the soil to enter the house depends on the weather, soil porosity,
soil moisture, and the amount the home can take up.
Radon in Maryland
What Can You Do?
The most important thing you can do is to
become educated about radon and have your home tested. You may purchase radon
test kits online or at your local hardware store. You may also click here to Find
a Radon Test Kit or Measurement and Mitigation Professional.
following is an excerpt from EPA's
Citizen's Guide to Radon:
Recommends the Following Testing Steps:
1: Take a short-term test. If your result is 4 pCi/L. or higher*, take a
follow-up test (Step 2) to be sure.
2: Follow up with either a long-term test or a second short-term test:
Radon Information for
Homebuyers and Sellers6
more information on Real Estate Resources
more information on Home Buyer’s/Seller’s
Guide to Radon
more information on Radon Protection:
Buying a Newly Built Home
New Construction (RRNC) use simple technology and radon reduction techniques to
help keep radon from entering a home by directing the radon gas outdoors. It is
more cost-effective to include radon-resistant techniques while build a home, rather
than retrofitting an existing home.
attached for Radon Protection:
Building a Home
attached for a Radon-Resistant New
attached for Building a New Home,
Have You Considered Radon?
attached for Builders and
Contractors Resources for RRNC
See attached for Directory of Builders
Using Radon-Resistant New Construction (RRNC)
Radon in Rental
more information for Radon Guide for Tenants\
What if my Home has
High Radon Levels?3
a radon problem usually involves repairs to the building. These repairs are
generally authorized by the owner, not the tenant. As a tenant, take the
following steps to ensure the problem is fixed.
more information call the DHMH hotline at 1-866-703-3266
Radon in Schools2
If you don't know your school’s radon level,
you should think about discussing with your school’s officials about having your
school tested for radon.
on how to manage radon in schools may be found here.
National Radon Safety Board and The National Radon Proficiency Program
can help consumers find a certified radon professional and help professionals
2016_a_citizens_guide_to_radon.pdf. (n.d.). Retrieved from https://www.epa.gov/sites/production/files/2016
 US EPA, O. (n.d.). Radon in
Schools [Overviews and Factsheets]. Retrieved February 1, 2017, from
 U.S. EPA, O. (n.d.). “A Radon Guide
for Tenants”. Retrieved 3 March, 2017, from https://www.epa.gov/sites/production/files/2014-08/documents/tenants_guide.pdf
of Connecticut. Department of Public Health. (2017). Radon – Resistant New Construction. from http://www.ct.gov/dph/cwp/view.asp?a=3140&q=387610
 U.S. Environmental Protection
Agency. (2017). Radon from https://www.epa.gov/radon
201 W. Preston Street, Baltimore, MD 21201-2399
(410) 767-6500 or 1-877-463-3464