Of the more than 4000 chemicals present in cigarette smoke, more than 60 have been identified as cancer causing chemicals, 11 of which are known to cause cancer in humans and 8 that have been associated with causing cancer in humans.
1 Ground water wells can also be tested for radon, then, if needed, can get a water radon mitigation system installed. 2  Installing a water radon mitigation system runs from $1,000-$4,500, and maintenance runs $0 to $150 annually. 3  To find out about radon content in a city water system, call the local water provider. It's wise to retest a home's radon level every year or two after a mitigation system is installed. 2  Most radon mitigation systems include a fan, which will need to be replaced about every 5 years. 3  Expect to pay $250-$300 to have this necessary maintenance done.
The average cost for a certified or licensed mitigation contractor to lower radon levels in a slab or basement home is about $1,500, and a crawl space home is about $3,000 or more. Your costs may vary depending on the size and design of your home and which radon reduction methods are needed.f your home has a radon problem, it can be fixed by installing a radon mitigation system in the home. EPA and the Nevada Division of Public and Behavioral Health recommends that you get a certified or licensed radon mitigation contractor to install the system.