Thursday, July 18, 2013
Day two of air flow testing in the NYC subway and around the city is happening Friday, the NYPD announced.
Thursday, July 11, 2013
By Kate Hinds
When researchers released a tracer gas containing a chemical called perfluorocarbon into New York's subway on Tuesday, it didn't take long for people to wonder if that so-called nontoxic gas might not be all that harmless. Short answer: it's safe.