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According to the latest EPA's Assessment of Risks from Radon in Homes in the United States, epidemiological evidence shows a clear link between lung cancer and high concentrations of radon, with 21,000 radon-induced U.S. lung cancer deaths per year—second only to cigarette smoking. www.epa.gov/radon/health-risk-radon The map at right is based on the EPA's average in home radon levels found. Individual homes may be higher or lower.
Zone 1 -Greater than 4 pCi/L
Zone 2 -Between 2 and 4 pCi/L
Zone 3 -Less than 2 pCi/L
In home radon levels are a serious concern. Radon exposure is number one cause of lung cancer amoung non-smokers. The EPAs has set an "action level" of 4 piC/L, but even that level is still 35 times higher than the allowed exposure from a radioactive dump site. There is no safe level of radon exposure. It is our goal to reduce radon levels as much as absolutely possible, in every home.
According to the EPA, the most effective and reliable technique for radon reduction, is Active Sub-slab Depressurization. Reductions of up to 99% can be achieved. We specialize in the Sub-Slab Depressurization method. It offers a permanent and effective solution in which we can guarantee the results.
In order for the system to be effective, suction must be dispersed under as much of the slab as possible. If there is a good coarse base under the slab such as crushed gravel or course sand, a single suction point may be adequate. Otherwise there may be a need for two or more. If there is an existing interior drain tile system, we can simply install an air tight sump lid, and tye directly into the drain tile system.
If you have had basement water seepage issues, they should be addressed. Sub-slab saturation may hinder the ability of the system to draw an adequate vacuum throughout the slab area. You can have a radon mitigation system installed along with a drain tile system for little more than that of a drain tile system alone. When incorporated together, the radon mitigation is highly effective and also greatly lowers basement humidity.
Note: Radon testing and disclosure, are already required for home sales in many areas of the US. Even in areas where it is not yet required, many lenders will insist on it for approval of financing.