Pennsylvania Radon - Test Results & Mitigation Systems
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Pennsylvania Radon - Test Results & Mitigation Systems
Pennsylvania home radon data (public open data): 3.33M test results (1985-2026) with the reading in pCi/L, county, municipality, building type, floor tested and test method; plus 523k mitigation systems with the remediation installed and its cost. Filter by county, floor, method or level.