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zone 1

Many Ohio Schools Don’t Check for Radon in a State Known for High Radon Levels

Recently, WKYC broadcast a report about radon levels in Ohio Schools. Even though most of Ohio is classified by the U.S. Environmental Protection Agency (EPA) as a Zone 1 area, few schools perform radon testing.

A Zone 1 area is described as having the highest potential for a predicted average indoor radon screening level greater than 4 pCi/L. A small percentage of counties in Ohio that are not listed as a Zone 1 area have been listed under the EPA’s Zone 2 category. Zone 2 predicts an average indoor radon screening level of between 2 and 4 pCi/L.

Even though children spend approximately 8 hours a day in the classroom, Ohio does not require radon testing in its schools. According to the WKYC report, “The EPA estimates about 70,000 classrooms in the U.S. have radon levels at or above the action level of 4 pCi/L. But federal laws do not mandate radon testing in schools.”