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Summary: Department of Housing and Urban Development Formaldehyde emission controls for certain wood products 24CFR3280 308 Washington DC US Department of Housing and Urban Development 2001 Figure 5 5 EPA Map of Radon Zones Zone 1 predicted average indoor radon screening level greater than 4 pCi L picocuries per liter Zone 2 predicted average indoor radon screening

Image Dimensions: 523 x 394