Learning about radon:

• What is radon?
• What is sub-slab depressurization? How does it keep radon out of a building?

The Agency for Toxic Substances and Disease Registry (ATSDR), an agency of the U.S. Department of Health and Human Services, works to serve the public by using the best science, taking responsive public health actions, and providing trusted health information to prevent harmful exposures and disease related to toxic substances.

The American Lung Association provides programs of education, community service, and advocacy. Some of the topics available include asthma, tobacco control, emphysema, infectious disease, asbestos, carbon monoxide, radon, and ozone.

The National Safety Council's mission is to educate and influence society to adopt safety, health, and environmental policies, practices, and procedures that prevent and reduce human suffering and economic losses arising from preventable causes.

The EPA's Radon Web site provides answers to frequently asked questions regarding the possibility of radon exposure in your home. It also provides a list of hotlines, contact information for regional U.S. EPA offices, and links to other radon resources. The Web site offers access to the publication Consumer's Guide to Radon Reduction, which helps you select a qualified contractor to reduce the radon levels in your home, determine an appropriate radon reduction method, and maintain your radon reduction system. You can also learn how to obtain the video "Breathing Easy: What Home Buyers and Sellers Should Know About Radon."