DOE-HDBK-1015/2-93FLAMMABLE AND COMBUSTIBLE LIQUIDSHazards of Chemicals and GasesCH-05Rev. 0Page 42Flammable and Combustible Liquids SummaryThe following terms are defined:Flammable liquid is one having a flash point below 100 F, and having a vaporpressure not exceeding 40 psia at 100 F. Combustible liquids are liquids with flash points at or above 100 F, but below200 F. General safety precautions regarding the use, handling, and storage of flammable andcombustible liquids include the following:The vapor-air mixture formed from the evaporation of the liquid poses a hazard;therefore, exposures of large liquid surface areas and sources of heat shall beavoided or prevented during handling or storage of these liquids.Accidental mixture of flammable and combustible liquids shall be avoided.Fill and discharge lines and openings, as well as control valves associated withflammable and combustible systems, shall be identified by labels, color coding, orboth to prevent mixing different substances. All storage tanks shall be clearly labeled with the name of contents.Transfer lines from different types and classes of flammable products should bekept separate, and preferably, different pumps should be provided for individualproducts.When handling quantities of flammable liquids up to five gallons, a portable FM(Factory Mutual Engineering Corp.) or UL (Underwriters Laboratory) approvedcontainer should be used. The container should be clearly labeled.Smoking, the carrying of strike-anywhere matches, lighters, and otherspark-producing devices should not be permitted in a building or area whereflammable liquids are stored, handled, or used.SummaryThe important information from this chapter is summarized below.
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