November 30, 2012 4:38 pm Vinyl Chloride Spills From Train Cars Vinyl chloride spilled from one of the train cars. NBC10’s Tracy Davidson explains what the chemical is and why it can post a health hazard. US & World Videos 9:46 Another NJ earthquake: The Lineup 2:54 Penn leaders reiterate to pro-Palestinian protesters that they need to pack up camp 1:44 Pro-Palestinian protesters remain on UPenn's campus despite warnings to disband 1:30 Protests calling for ceasefire continue at Penn 6:33 Family affair: Former Eagle and new Eagle Jeremiah Trotter and Jeremiah Trotter Jr. speak out