Conclusion

Am I at Risk for Radon-Induced Lung Cancer?

For the residents of Eastern Washington, the data shows that the residents of Spokane, Pend Oreille, Stevens, and Whitman counties have average radon levels exceeding the EPA's recommended level of 4 pCi/L. Non-smokers living outside these counties are probably not receiving significant damage from radon in their homes. For the residents of those counties exceeding the EPA's recommended level, there are a couple of variables that you must weigh before making a decision: Since the variables are so numerous, drawing conclusions about the risk of radon may never reveal more than the EPA's county-by-county estimates. Every expert agrees that there is no conclusive way to identify whether a home has a radon problem or not without on-site testing.