edition. NFPA 54, National Fuel Gas Code, 2012 edition. NFPA 68, Standard on Explosion Protection by Deflagration Venting, 2013 edition. NFPA 69, Standard on Explosion Prevention Systems, 2008 edition. NFPA 70®, National Electrical Code®, 2011 edition. NFPA 72®, National Fire Alarm and Signaling Code, 2013 edition. NFPA 85, Boiler and Combustion Systems Hazards Code, 2014 edition. NFPA 86, Standard for Ovens and Furnaces, 2011 edition. NFPA 91, Standard for Exhaust Systems for Air Conveying of Vapors, Gases, Mists, and Noncombustible Particulate Solids, 2015 edition. NFPA 221, Standard for High Challenge Fire Walls, Fire Walls, and Fire Barrier Walls, 2012 edition. NFPA 484, Standard for Combustible Metals, 2012 edition. NFPA 505, Fire Safety Standard for Powered Industrial Trucks Including Type Designations, Areas of Use, Conversions, Maintenance, and Operations, 2013 edition. NFPA 654, Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particulate Solids, 2013 edition. NFPA 750, Standard on Water Mist Fire Protection Systems, 2010 edition. NFPA 2001, Standard on Clean Agent Fire Extinguishing Systems, 2012 edition. NFPA 2112, Standard on Flame-Resistant Garments for Protection of Industrial Personnel Against Flash Fire, 2012 edition. NFPA 2113, Standard on Selection, Care, Use, and Maintenance of Garments for Protection of Industrial Personnel Against Flash Fire, 2012 edition. 2.3 Other Publications. 2.3.1 ASME Publications. American Society of Mechanical Engineers, Three Park Avenue, New York, NY 10016-5990. ASME B31.3, Process Piping, 2012. ASME Boiler and Pressure Vessel Code, 2010. 2.3.2 ASTM Publications. ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959. ASTM E 1226, Standard Test Method for Explosibility of Dust Clouds, 2012.
2.3.3 IEC Publications. International Electrotechnical Commission, 3, rue de Varembé, P.O. Box 131, CH-1211 Geneva 20, Switzerland. IEC 61340-4-4, Electrostatics — Part 4-4: Standard Test Methods for Specific Applications — Electrostatic Classification of Flexible Intermediate Bulk Containers (FIBC), 2005. 2.3.4 NEMA Publications. National Electrical Manufacturers Association, 1300 North 17th Street, Suite 1847, Rosslyn, VA 22209. NEMA 250, Enclosures for Electrical Equipment, 2008. 2.3.3 UN Publications. United Nations Publications, Room DC2-853, 2 UN Plaza, New York, NY 10017. UN Recommendations on the Transport of Dangerous Model Regulations – Manual of Tests and Criteria, 13th edition. 2.3.4 U.S. Government Publications. U.S. Government Printing Office, Washington, DC 20402. Title 29, Code of Federal Regulations, Part 1910.242(b), “Hand and Portable Powered Tools and Equipment, General.” 2.3.5 Other Publications. Merriam-Webster's Collegiate Dictionary, 11th edition, Merriam-Webster, Inc., Springfield, MA, 2003. 2.4 References for Extracts in Mandatory Sections. [To be updated to most current edition during this revision] NFPA 51B, Standard for Fire Prevention During Welding, Cutting, and Other Hot Work, 2009 edition. NFPA 68, Standard on Explosion Protection by Deflagration Venting, 2013 edition. NFPA 69, Standard on Explosion Prevention Systems, 2008 edition. NFPA 91, Standard for Exhaust Systems for Air Conveying of Vapors, Gases, Mists, and Noncombustible Particulate Solids, 2010 edition. NFPA 221, Standard for High Challenge Fire Walls, Fire Walls, and Fire Barrier Walls, 2012 edition.
Aluminum ~7 — 8 — — 90 Cashdollar & Aluminum 22 — — — — — — 5 (N) BGIA3 Aluminum <44 — 5.8 650 50 45 2 ( C) BuMines RI 6516 Aluminum flake <44 6.1 650 20 45 <3 ( C) BuMines RI 6516 Aluminum <10 515 11.2 560 — 60 — — BGIA3 Aluminum 580 Not — — — — — — BGIA Beryllium 4 Not — — — — — — BuMines RI 6516 Boron <44 — — 470 60 <100 — — BuMines RI 6516 ~3 — 6.0 ≈110 Cashdollar & Zlochower Bronze 18 31 4.1 390 — 750 BZ 4 Eckhoff Chromium 6 — 3.3 660 5120 770 14 ( C) BuMines RI 6516 Chromium 3 — 3.9 580 140 230 — — BuMines RI 6517 Copper ~30 Not Cashdollar & Zlochower Hafnium ~8 — 4.2 — — ~180 — — Cashdollar & Zlochower Iron 12 50 5.2 580 500 — Eckhoff Iron ~45 — 2.1 — — ~500 — — Cashdollar & Zlochower Iron < 44 — 2.8 430 80 170 — 13 ( C) BuMines RI 6516
Tantalum 21 5.6 430 <3 125 Industry Tantalum 25 400 30 Industry Tin ~8 — 3.3 — — ~450 — — Cashdollar & Zlochower Titanium 36 Not BZ 2 BGIA Titanium 30 — — 450 — — — Eckhof Titanium ~25 4.7 — — 70 — Cashdollar & Zlochower Titanium 10 — 4.8 330 25 45 6 (N) 4 (Ar) BuMines RI 6515 Tungsten ≤1 — ~2.3 — — ~700 — — Cashdollar & Zlochower Tungsten ~10 Not Cashdollar & Zlochower Zinc (from collector) <10 125 6.7 570 — 250 BZ 3 Eckhoff Zinc (from collector) 10 176 7.3 — — 125 BZ 2 Eckhoff Zinc (from Zn coating) 19 85 6 800 — — BZ 2 Eckhoff Zinc (from Zn coating) 21 93 6.8 790 — 250 — Eckhoff Zirconium <44 — 5.2 20 5 45 — in N2 & CO2 BuMines RI 6516 Zirconium 50 — 3.0 420 30 — — — BuMines RI 6516 Limiting Oxygen Concentration. The letter in parenthesis in the LOC column denotes the inert gas used to reduce the oxygen concentration as follows: Ar = argon, C = carbon dioxide, N = nitrogen UN Dust Combustibility Categories are as follows:UN Dust Layer Combustibility Categories are as follows:
Coumarone-indene, hard G NL 520 Crag No. 974 533-74-4 G CL 310 Cube root, America 83-79-4 G 230 Di-alphacumyl peroxide, 40-60 on CA 80-43-3 G 180 Diallyl phthalate 131-17-9 G M 480 Dicyclopentadiene dioxide G NL 420 Dieldrin (20%) 60-57-1 G NL 550 Dihydroacetic acid G NL 430 Dimethyl isophthalate G M 580 Dimethyl terephthalate 120-61-6 G M 570 Dinitro-o-toluamide 148-01-6 G NL 500 Dinitrobenzoic acid G NL 460 Diphenyl 92-52-4 G M 630 Ditertiary-butyl-paracresol 128-37-0 G NL 420 Dithane m-45 G 180 Epoxy G NL 540 Epoxy-bisphenol A G NL 510 Ethyl cellulose G CL 320 Ethyl hydroxyethyl cellulose G NL 390 Ethylene polymer G NL 350 Ethylene-maleic anhydride copolymer G NL 540 Ferbam™ G 150 Ferromanganese, medium carbon E 290 Ferrosilicon (88% Si, 9% Fe) E 800 Ferrotitanium (19% Ti, 74.1% Fe, 0.06% C) E CL 380 Flax shive G 230 Fumaric acid 110-17-8 G M 520 Garlic, dehydrated G NL 360 Gilsonite F 500 Green base harmon dye G 175 Guar seed G NL 500 Gulasonic acid, diacetone G NL 420