AF C Intern atio n a l, In c. G a s D e t e c ti o n & A ir M o n it o ri n g S p e c i a l ists Combustibles Material Acetone Acetylene Ammonia Benzene Butane n-Butyl Acetate Diborane Ethane Ethanol Ethyl Acetate Ethyl Ether Ethylene Oxide Gasoline (100 Octane) Heptane Hexane Hydrogen Isopropyl Alcohol Methane Methanol Methyl Ethyl Ketone Pentane Propane Propylene Oxide Styrene Toluene Turpentine Vinyl Acetate Vinyl Chloride Xylene LEL UEL PPM TLV/TWA IDLH Density A C U LEL (%/Vol) 2.5 2.5 15.0 1.2 1.6 1.7 0.8 3.0 3.3 2.0 1.9 3.0 1.4 1.05 1.1 4.0 2.0 5.0 6.0 1.4 1.5 2.1 2.3 0.9 1.1 0.8 2.6 3.6 0.9 UEL (%/Vol) 12.8 100.0 28.0 7.8 8.4 7.6 88.0 12.5 19.0 11.5 36.0 100.0 7.6 6.7 7.5 75.0 12.0 15.0 36.0 11.4 7.8 9.5 36.0 6.8 7.1 ? 13.4 33.0 6.7 TLV/TWA (ppm) 750 -A25 1.0 800 150 0.1 -A1,000 400 400 1 300 400 50 -A400 -A200 200 600 1,000 20 50 50 100 10 1.0 100 IDLH (ppm) 2,500 -A300 500 -U1,700 15 -A-U2,000 1,900 -C-U750 1,100 -A2,000 -A6,000 3,000 15,000 2,100 400 700 500 800 -U-C900 Density (Air = 1.0) 2.0 .9 0.6 2.6 2.0 4.0 1.0 1.0 1.6 3.0 2.6 1.5 3-4.0 3.5 3.0 0.1 2.1 0.6 1.1 2.5 2.5 1.6 2.0 3.6 3.1 4.7 3.0 2.2 3.7 Lower Explosive Limit Upper Explosive Limit Parts Per Million Threshold Limit Value/Time Weighted Average Immediately Dangerous to Life or Health < 1.0 = lighter than air > 1.0 = heavier than air Asphyxiant Carcinogen Data Not Available PO Box 894 ▲ D e M otte , IN 46310 ▲ 800.952.3293 ▲ 219.987.6825 ▲ F a x 219.987.6826 ▲ w w w . a f c i n tl . c o m A F C In t e rn a ti o n a l, In c . G a s D e t e c ti o n & A ir M o n it o rin g S p e c i a lists Toxics Material Acetone Ammonia Benzene Butane n-Butyl Acetate Carbon Dioxide Carbon Monoxide Chlorine Ethylene Oxide Ethyl Ether Gasoline Heptane Hexane Hydrogen Cyanide Hydrogen Sulfide Isopropyl Alcohol Methyl Acetate Methanol Methyl Chloride Methyl Ethyl Ketone Methyl Methacrylate Nitric Oxide Nitrogen Dioxide Pentane n-Propyl Acetate Styrene Sulfur Dioxide 1,1,1-Trichloroethane Toluene Trichloroethylene Turpentine Vinyl Chloride Xylene LEL PPM IDLH C TLV/TWA (ppm) 750 25 1.0 800 150 5,000 25 0.5 1 400 300 400 50 10 10 400 200 200 50 200 100 25 3 600 200 50 2 350 50 50 100 1.0 100 IDLH 2,500 300 -C-U1,700 40,000 1,200 10 -C19,000 -U750 1,100 50 100 2,000 3,100 6,000 2,000 3,000 1,000 100 20 15,000 1,700 700 100 700 500 1,000 800 -C900 LEL (ppm) 25,000 160,000 12,000 16,000 17,000 N/C 125,000 N/C 30,000 19,000 14,000 10,500 11,000 56,000 40,000 20,000 31,000 60,000 81,000 14,000 17,000 N/C N/C 15,000 17,000 9,000 N/C 75,000 11,000 80,000 8,000 36,000 9,000 LEL (%/Vol) 2.5 16.0 1.2 1.6 1.7 N/C 12.5 N/C 3.0 1.9 1.4 1.05 1.0 5.6 4.0 2.0 3.1 6.0 8.1 1.4 1.7 N/C N/C 1.5 1.7 .9 N/C 7.5 1.1 8.0 0.8 3.6 .9 Density (Air=1) 2.0 0.6 2.6 2.0 4.0 1.5 1.0 2.5 1.5 2.6 3-4.0 3.5 3.0 0.9 1.2 2.1 2.6 1.1 1.8 2.5 3.5 1.0 1.6 2.5 3.5 3.6 2.2 4.6 3.2 4.5 4.7 2.2 3.7 Lower Explosive Limit Parts Per Million UEL Upper Explosive Limit TLV/TWA Threshold Limit Value/Time Weighted Average Immediately Dangerous to Life or Health Density < 1.0 = lighter than air > 1.0 = heavier than air Carcinogen N/C Not Combustible PO Bo x 894 ▲ D e M otte , IN 46310 ▲ 800.952.3293 ▲ 219.987.6825 ▲ F a x 219.987.6826 ▲ w w w . a f c i n tl . c o m
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