|New data reveal all of Colorado is at high risk for radon|
|Written by Holyoke Enterprise|
Twelve Colorado counties previously considered to be at moderate risk for radon exposure have been upgraded to the high-risk category. The change means all 64 Colorado counties are categorized as Zone 1 for radon, or high-risk, by the Colorado Department of Public Health and Environment.
Counties in Zone 1 have an estimated indoor radon average greater than four picocuries per liter, the action level where the department and the U.S. Environmental Protection Agency recommend homeowners install mitigation equipment.
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