Radon Caused More Than 21,000 Deaths Last Year
Green Building Law Update
SEPTEMBER 8, 2019
The EPA’s map of radon zones shows which areas have the greatest potential for elevated indoor radon readings. All below-grade openings in the concrete foundation floor are sealed in existing homes to reduce soil gas entry into the home. Curiously, existing green building certification systems (e.g., Sealing and Caulking.
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