Date Published: 09/27/2007 [Source]
David Garrett did not know what radon was until a friend at the health department suggested that he pick up a free radon testing kit.
"I hung it up right away," the Springfield Twp. resident said, adding that he was shocked when he received the results. His house tested at 50 picocuries per liter (pCi/L), more than 20 times higher than what the Environmental Protection Agency considers safe.