Radon Gas | Radon Gas: "In modern houses, airtight to be energy efficient, radon can get trapped and accumulate more easily than in older homes to levels far above of those found in outdoor air.
Radon gas can enter in your home from the soil through construction joints, tiny cracks or pores in hollow-block walls, floor drains, sump pumps, cracks in concrete floors and walls."
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Friday, April 22, 2011
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