172 



2.3 Lutidine - (93) 1. (90) 1 



Magnesium - (90) 1 



Maleic anhydride - (92) 1, (90) 1 



Medical waste - (93) 9 



Mercaptan - (93) 1. (92) 1, (92) 1. (90) 1 



Mercury - (93) 3, (92) 6, (91) 3 



Methacrylic acid monomer (glacial) - (90) 2 



Methyl alcohol - (93) 2, (92) 5. (91) 4. (90) 4 



Methyl amyl ketone - (92) 2 



Methyl benzoate - (91) 1 



Methyl bromide - (93) 1, (91) 1 



Methylene chloride - (93) 3, (92) 3, (91) 2. (90) 1 



Methyl ethyl ketone - (93) 3, (92) 2. (91) 3. (90) 3 



Methyl isobutyl ketone - (93) 1, (90) 1 



Methyl isoketone - (91) 1 



Methyl methacrylate - (92) 2, (91) 1 



Methyl methacrylate monomer - (90) 2 



Methyl pyrrolidone ■ (92) 1 



Methyl salicylic acid - (90) 1 



Methyl styrene - (90) 1 



Methylamine - (90) 1 



Methylene chloride - (91) 4 



Milk (90) 1 



Monoammonium phoshate - (90) 1 



Monoethylamine ■ (93) 1 



Naphthalene - (93) 1, (92) 1. (91) 1. (90) 3 



Natural gas ■ (93) 4, (92) 13, (91) 8. (90) 6 



Neoprene rubber ■ (93) 1 



Nickel catalyst - (93) 1 



Nickel sulfate - (90) 1 



Nitric acid - (93) 1. (92) 1, (91) 5, (90) 9 



Nitrogen- (91) 1. (90) 1 



Nitrogen (liquid) ■ (93) 2 



Nitrogen dioxide - (92) 1, (90)1 



Nitrogen (28%) fertilizer - (93) 11, (92) 9. (91) 13. (90) 14 



Nitrous oxide ■ (92) 1, (90) 1 



Nonylphenol polyethylene glycol ether - (93) 1 



Octanoic acid (90) 1 



OctanoyI chloride - (90) 1 



Octyl phenol - (92) l 



Octylamine - (90) 1 



Octylphenol - (92) 1 , (90) 1 



Oxidizer - (90) 2 



Oxygen (liquid) - (93) 1, (92) 1, (91) 1. (90) 1 



Paint and paint thinner - (93) 26, (92) 24. (91) 24. (90) 27 



Paracetanol ■ (90) 1 



Pentachlorophenol - (90) 1 



Pentane - (92) 1 



Perchloroethylene - (93) 1, (92) 6, (91) 5. (90) 4 



Perfluorooctane - (93) 1 



Peroxide NOS- (91) 2. (90)2 



Phenol - (93) 1, (91) 1 



Phosphoric acid - (93) 5, (92) 4, (91) 4. (90) 4 



Phosphorous fertilizer (10-34-8) - (90) 1 



Phosphorus oxychloride - (93) 1 . 



Phosphorous pentasulfide - (90) 1 



Phosphorus pentoxide - (93) 1. (91) 1. (90) 2 



Phosphorus (red) - (93) 1 



Phosphorus (white) - (93) 2, (91) 1, (90) 2 



Photographic developers - (93) 1 , (92) 3. (90) 1 



Phthalic anhydride - (91) 2 



Picric acid - (90) 1 



PIcoline - (92) 1 



Pine oil -(91) 1 



Plating waste - (92) 1. (91) 1, (90) 1 



Pollution control waste - (92) 19, (91) 8 



Pdychiorinated biphenyls (PCBs) - (93) 11. (92) 20, (91) 



18. (90) 31 



Polyisocyanate - (92) 1 



Polyvinyl acetate - (91) 1 



Polyvinyl alcohol - (91) i 



Polyvinyl chloride - (91) 2 



Potassium bromate - (91) 1 



Potassium cyanide - (93) 1 



Potassium chloride - (91) 2, (90) 1 



Potassium chlorite - (90) 1 



Potassium ferrocyanide - (93) 1 



Potassium hydroxide - (93) 1, (92) 2. (91) 3 



Propane - (93) 2. (92) 2. (91) 7, (90) 8 



1-Propanol - (93) 1 



Propanol - (93) 1. (92) 1, (91) 1. (90) 1 



Propyl acetate - (92) 1. (91) 2 



Propylene - (93) 1, (91) 1 



Propylene glycol t-butyl ether - (92) 1 



Propylene oxide - (90) 1 



Propylisocyanate • (92) l 



Pseudocumene- (93) 1 



Pyridine- (91) 1. (90) 1 



Radioactive material - (93) 3, (92) 2, (91) 2, (90) 1 



Raney nickel - (91 ) i 



Resin -(93) 11.(92)5.(91)6.(90)2 



Riot/tear gas - (91) 2 



Sewage -(93) 1. (91)2, (90)2 



Silica - (91) 2 



saloon oil - (92) 1 



Silver nitrate - (92) 1 



Sludge - (91) 2. (90) 4 



Sodium - (93) 1 



Sodium bisulfate- (91) 1 



Sodium bisulfite - (92) 1. (90) 1 



Sodium bromide - (91) 1 



Sodium chromate • (90) 1 



Sodium cyanide - (92) l, (91) 1, (90) 1 



Sodium dichloroisocyanurate - (92) 1 



Sodium dichromate - (93) 1, (92) 2. (90) 1 



Sodium dodecylbenzene sulfonate - (91) 1 



Sodium glucoheptonate - (91) 1 



Sodium hydrosulfite - (93) 1 



Sodium hydroxide - (93) 7. (92) 2, (91) 11. (90) 9 



Sodium hypochlorite - (93) 5, (92) 4, (91) 9, (90) 8 



Sodium metasilicate - (91) 1 



Sodium nitrate - (91) 2. (90) 1 



i 



