Posted by Ken NJ on December 01, 1998 at 16:26:16:
Radon is usually present in areas, so you likely have a problem as well. However, it is relatively simple to correct. My house had a reading of 30, which is very high. A radon contractor came in and sealed the basement and put in a radon pump. It cost about $1000 and the level is now less than 1.