Dodge County battles radon at courthouse - KTTC Rochester, Austin, Mason City News, Weather and Sports

Dodge County battles radon at courthouse

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MANTORVILLE, Minn. (KTTC) -- The Minnesota Department of Health is looking to use a ventilation system to rid the Dodge County Courthouse of its dangerously high levels of radon.

Radon was discovered in the building several months ago.

Currently, the Department of Health is testing for radon hour-by-hour.

The highest levels are 8.5 pic-o-curies or higher - sometimes in the 20's - which is much higher than the safe level of 4.5 picocuries or less.

Dodge County Emergency Management Director Matt Maas says all employees in the basement have been relocated and they are using several mitigation techniques to rid the building of the gas. Maas says this type of ventilation technique has proven to be successful in other buildings.

Radon is a radioactive, colorless, odorless gas - commonly found in older structures. It is known to cause lung cancer in people who are exposed to it at high levels.

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