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Horsham and Radon
PA Map of Radon as per EPA
Horsham & Montgomery County Area is in the red zone which have an average level greater than 4 pCi/L (picocuries per liter). A six month test provides a more acurate reading. Testing costs approximately $100 - $125
click here to check you area outside of Pa  http://www.epa.gov/radon/zonemap.html#mapcolors

What do the colors mean? ... more

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