Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Radon Fact sheets on radon, the radioactive gas that "is the second leading cause of lung cancer in the United States." Includes a FAQ, information about National Radon Action Month (January) and National Radon Action Week (October), links to state government information about radon, children's activities, and related materials. From the National Safety Council. http://www.nsc.org/resources/issues/radon/ Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *