High Hazard Level 2 contents include materials that present a deflagration hazard or a hazard from accelerated burning, including but not be limited to: Class I, II or III-A flammable or combustible liquids which are used or stored in normally open containers or systems, or in closed containers or systems pressurized at more than 15 pounds per square inch (103.3kPa) gage; combustible dusts stored, used or generated in a manner creating a severe fire or explosion hazard; flammable gases and flammable cryogenic liquids; organic peroxides, Class I; oxidizers, Class 3 which are used or stored in normally open containers or systems, or in closed containers or systems pressurized at more than 15 pounds per square inch (103.2kPa) gage; pyrophoric materials, nondetonable; unstable (reactive) materials, Class 3, nondetonable; and water reactive materials, Class 3.