Councilor raises radon concerns, urges local testing and policy response

Sep 30, 2025

Councilor Bill told the Aspen City Council that new information shows elevated radon levels in Aspen buildings—sometimes above 10–15 pCi/L—and urged the city to increase education, testing and consider local policy responses.

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Councilor Bill told the Aspen City Council on Sept. 30 that he had recently learned more about radon exposure in Aspen and voiced concern that levels regularly exceed federal remediation thresholds in occupied spaces beyond basements. He described readings on second floors regularly above 10–15 pCi/L (the federal action level commonly cited as 4 pCi/L) and said some new construction also showed concerning levels.

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