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ATTACHMENT 6 <br /> FLAMMABILITY LIMITS (LEL AND UEL) OF SOME COMMON INDUSTRIAL CHEMICALS <br /> Combustible materials have different flammability limits. Knowing the concentrations <br /> of combustible materials in air as well as their flammability limits will promote safe chemical <br /> handling. <br /> Fuel Concentration <br /> 0% 100% <br /> I I I <br /> ILEL UEL I <br /> Allyl alchol I <br /> 2.5-18% <br /> ri LEL I I I UELI <br /> Ethylene Oxide <br /> 3-100% <br /> ILEL UEL I I I I <br /> Gasoline I I <br /> 1.4-7% i <br /> Methyl (wood) I LEL I UEL I I I <br /> Alcohol i <br /> 6-36% I I I I <br /> I I I <br /> Sodium <br /> Hydroxide NA-Nonflammable Hazardous Material <br /> • <br /> Source: NIOSH Pocket Guide to Chemical Hazards <br />