Appendix B

250

APPENDIX Β TABLE B - l . Maximum Oxygen Concentration to Prevent Combustion of Suspensions of Combustible Dust 1n Air-Carbon Dioxide Mixtures [NFPA 69 (1986)] Maximum 0. Concentration

%

Dust

Aqr1cultural Coffee Cornstarch Dextrin Soy Flour Starch Sucrose Chemical Ethylene Diamine Tetra-Acetic Add Isatolc Anhydride Methionine Ortazol Phenothlazlne Phosphorous Pentasulf1de Salicylic Add Sodium Llgnosulfate Stearic Add & Metal Stearates Carbonaceous Charcoal Coal. Bituminous Coal, Sub-b1tum1nous Lignite Metal Aluminum Antimony Chromium Iron Magnesium Manganese Silicon Thorium Titanium Uranium Vanadium Z1nc Zirconium Miscellaneous Cellulose Paper Pitch Sewage Sludge Sulfur Mood Flour

Maximum Q. Concentration

Dust

%

Plastics Ingredients 17 11 14 15 12 14 13 13 15 19 17 12 17 17 13 17 17 15 15 2 16 14 10 0 14 12 0 0 0 14 10 0 13 13 11 14 12 16

Azelalc Add Blsphenol A Casein, rennet Hexamethylene tetramlne I soph thai 1c Add Paraformaldehyde Pentaerythrltol Phthai1c Anhydride Terephthallc Add

14 12 17 14 14 12 14 14 15

Plastics - Special Resins Coumarone-Indene Resin 14 L1gn1n 17 Phenol, Chlorinated 16 Plnewood Residue 13 Rosin, DK 14 Rubber, Hard 15 Shellac 14 Sodium Reslnate 14 Plastics - Thermonlastlc Resins Acetal 11 Acrylon1tr1le 13 Butadlene-Styrene 13 Carboxymethyl Cellulose 16 Cellulose Acetate 11 Cellulose Triacetate 12 Cellulose Acetate Butyrate 14 Ethyl Cellulose 11 Methyl Cellulose 13 Methyl Methacrylate 11 Nylon 13 Polycarbonate 15 Polyethylene 12 Polystyrene 14 Polyvinyl Acetate 17 Polyvinyl Butyrate 14 Plastics - Thermosetting Resins Allyl Alcohol 13 Dimethyl Isophthaiate 13 Dimethyl Terephthalate 12 12 Epoxy Melamine Formaldehyde 17 Polyethy1ene Terephthalate 13 Urea Formaldehyde 16