Flammable liquid
Any liquid having a flash point less than 100ฐF. Pyroforic liquid—Any liquid that ignites spontaneously in dry or moist air at orless than 130ฐF. Compressed gas—Any materials or mixture having in the container a pressure exceeding 40lb/in2 absolute at 70ฐF or a pressure exceeding 104lb/in2 absolute at 130ฐF, or any liquid flammable material having a vapor pressure exceeding 40lb/in2 absolute at 100ฐF.