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BoReTech)m • Gasoline • Propane, oxygen, and acetylene • Wastewater treatment polymers and coagulants 1.2.2 Physical Hazards Materials that exhibit physical hazardous are within the following categories of hazardous materials. • Flammable Gas is a gas that is flammable in a mixture of 13% or less (by volume) with air, or the flammable range with air is greater than 12%, regardless of the lower limit. • Flammable Liquid is any liquid having a flash point below 100 degrees F and having a vapor pressure not exceeding 40 psi at 100 degrees F. If the liquid is a waste and it has a flash point of 140. • Combustible Liquid is a liquid having a flash point at or above 100 degrees F. • Flammable Solid is a solid substance, other than one which is defined as a blasting agent or explosive, that is (1) liable to cause fire through friction, or as a result of retained heat from manufacture or which (2) has an ignition temperature below 212 degrees F or which (3) burns so vigorously or persistently when ignited so as to create a serious hazard. This includes finely divided solid materials which, when dispersed in air as a cloud, may be ignited and cause an explosion. Compressed Gas is (1) a gas or mixture of gases in a container having an absolute pressure exceeding 40 psi at 70 degrees F; or (2) a gas or mixture of gases in a container having an absolute pressure exceeding 104 psi at 130 degrees F regardless of the pressure at 70 degrees F. The term "inert gas" has been applied to some compressed gases such as nitrogen, helium, argon, and carbon dioxide. Compressed gases are to be identified by their common chemical names and/or proper chemical name. Furthermore, any compressed gas above the disclosure threshold quantity of 200 cubic feet is subject to disclosure reporting requirements (discussed below). • Oxidizer is a chemical other than a blasting agent or explosive that initiates or promotes combustion in other materials, thereby causing fire either of itself or through the release of oxygen or other gases. • Unstable (reactive) is a chemical which in the pure state, or as produced or transported, will vigorously polymerize, decompose, condense, or will become self -reactive under conditions of shock, pressure, or temperature. • Water -Reactive Material is a material that explodes, violently reacts, produces flammable, toxic or other hazardous gases; or evolves enough heat to cause self -ignition or ignition of nearby combustibles upon exposure to water or moisture. Boretech Hazardous Materials & Hazardous Waste Management Operations Plan Page 13