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Perfluorocarbon

Transportation Nation

NYPD, Researchers to Release Tracer Gas in Subways Again Friday

Thursday, July 18, 2013

WNYC

Day two of air flow testing in the NYC subway and around the city is happening Friday, the NYPD announced. 

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Transportation Nation

Explainer: Perfluorocarbons, the Gas Released In NYC's Subway Airflow Test

Thursday, July 11, 2013

WNYC

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.

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