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Salt Doesn't Cut It, Ohio Crews Spray Streets with Chemicals

WEST COLUMBUS (Andrew Michael/Kate Liebers) -- In the midst of an arctic blast, the Ohio Department of Transportation had to call in some reinforcements to treat the roadways.

When temperatures drop below 20 degrees, salt begins to melt ice less effectively. With local temperatures hovering in the single digits on Monday, ODOT began using calcium chloride.

When added to the salt, calcium chloride can help melt ice even in temperatures of 30 degrees below zero.

"Liquid calcium actually generates heat itself," said Shawn Rostorfer of ODOT in Madison County. "When it mixes with the salt and hits the pavement, it instantly starts to burn itself into the ice."

With winds in the forecast, ODOT crews expect to be treating the roads around the clock.

In Madison County, ODOT staff has planned to continue their 12-hour shifts overnight.
 
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