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About:
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Equipments for residences with a crawl room, no crushed rock under the slab (common in older residences), or an entirely completed cellar, reduced degree, a garage attic setup, and so on may cost more. Radon can not be seen, smelled, felt, or otherwise spotted, besides with a test. That's why, according to the EPA, the only means to know for sure if you have a radon issue is to test. This approach utilizes suction points that are pierced in the subslab (generally 4 to six inch openings that appear like hollow pits).
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