On the evening of May 17, 1970, the 19th car of a freight train derailed in the Pennsylvania village of Cromby, a small town nestled along a horseshoe curve in the Schuylkill River about 30 miles from Philadelphia.  The car was carrying thousands of gallons of vinyl chloride, a highly flammable gas that is used … Continue reading From Fracked Gas in Pennsylvania to Toxic Waste in Texas, Tracking Vinyl Chloride Production in the U.S.