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Metro trying to cool hot stations before worst of summer begins

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It isn't just Metro's rail cars that can get hot. The underground stations where riders wait can become toasty, too, when outdoor temperatures spike. Metro's 47 underground stations have chiller units that help cool the stations from May 15 to Oct. 15 each year. They cool water for station air conditioning systems, designed to keep stations six degrees cooler than the outdoor temperatures.The...

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