| Acetaldehyde | D | 
| Acetamide | B | 
| Acetic Acid, Glacial | C | 
| Acetic Acid, 30% | B | 
| Acetic Anhydride | D | 
| Acetone | D | 
| Acetophenone | D | 
| Acetyl Chloride | A | 
| Acetylene | A | 
| Acrlylonitrile | C | 
| Adipic Acid | A | 
| Alkazene (Dibromoethylbenzene) | B | 
| Alum-NH3-Cr-K (Aqueous) | D | 
| Aluminum Acetate (Aqueous) | D | 
| Aluminum Chloride (Aqueous) | A | 
| Aluminum Fluoride (Aqueous) | A | 
| Aluminum Nitrate (Aqueous) | A | 
| Aluminum Phosphate (Aqueous) | A | 
| Aluminum Sulfate (Aqueous) | A | 
| Ammonia Anhydrous | D | 
| Ammonia Gas (cold) | D | 
| Ammonia Gas (hot) | D | 
| Ammonium Carbonate (Aqueous) | A | 
| Ammonium Chloride (Aqueous) | A | 
| Ammonium Hydroxide (conc.) | B | 
| Ammonium Nitrate (Aqueous) | A | 
| Ammonium Nitrite (Aqueous) | A | 
| Ammonium Persulfate (Aqueous) | A | 
| Ammonium Phosphate (Aqueous) | A | 
| Ammonium Sulfate (Aqueous) | B | 
| Amyl Acetate (Banana Oil) | D | 
| Amyl Alcohol | B | 
| Amyl Borate | A | 
| Amyl Chloronapthalene | A | 
| Amyl Napthalene | A | 
| Aniline | C | 
| Aniline Dyes | B | 
| Aniline Hydrochloride | B | 
| Animal Fats | A | 
| Ansul Ether (Anesthetics) | D | 
| Aqua Regia | B | 
| Aroclor, 1248 | A | 
| Aroclor, 1254 | A | 
| Aroclor, 1260 | A | 
| Arsenic Acid | A | 
| Arsenic Trichloride (Aqueous) | D | 
| Askarel | A | 
| Asphalt | A | 
| Banana Oil (Amyl Acetate) | D | 
| Barium Chloride (Aqueous) | A | 
| Barium Hydroxide (Aqueous) | A | 
| Barium Sulfate (Aqueous) | A | 
| Barium Sulfide (Aqueous) | A | 
| Beer | A | 
| Beet Sugar Liqours | A | 
| Benzaldehyde | D | 
| Benzene | A | 
| Benzene Sulfonic Acid (Nitrobenzine) (Pet Ether) | A | 
| Benzine (Ligroin) | A | 
| Benzoic Acid | A | 
| Benzoyl Chloride | B | 
| Benzyl Alcohol | A | 
| Benzyl Benzoate | A | 
| Benzyl Chloride | A | 
| Biphenyl (Diphenyl) (Phenylbenzene) | A | 
| Blast Furnace Gas | A | 
| Bleach Solutions | A | 
| Borax | A | 
| Bordeaux Mixture | A | 
| Brine | A | 
| Bromine-Anydrous | A | 
| Bromine Trifluoride | D | 
| Bromine Water | A | 
| Bromobenzene | A | 
| Bunker Oil | A | 
| Butadiene | A | 
| Butter (Animal Fat) | A | 
| Butyl Acetate | D | 
| Butyl Acetate Ricinoleate | A | 
| Butyl Acrylate | D | 
| Butyl Alcohol | A | 
| Butyl Amine | D | 
| Butyl Benzoate | A | 
| Butyl Carbitol | C | 
| Butyl Cellosolve | D | 
| Butyl Oleate | A | 
| Butyl Stearate | A | 
| Butylene | A | 
| Butyraldehyde | D | 
| Calcium Acetate (Aqueous) | D | 
| Calcium Bisulfite (Aqueous) | A | 
| Calcium Chloride (Aqueous) | A | 
| Calcium Hydroxide (Aqueous) | A | 
| Calcium Hypochlorite (Aqueous) | A | 
| Calcium Nitrate (Aqueous) | A | 
| Calcium Sulfide (Aqueous) | A | 
| Cane Sugar Liqours | A | 
| Carbamate | A | 
| Carbitol | B | 
| Carbolic Acid (Phenol) | A | 
| Carbon Bisulfide | A | 
| Carbon Dioxide | A | 
| Carbonic Acid | A | 
| Carbon Monoxide | A | 
| Carbon Tetrachloride | A | 
| Castor Oil | A | 
| Cellosolve | C | 
| Cellosolve Acetate | D | 
| Cellulube (Fryquel) | A | 
| China Wood Oil (Tung Oil) | A | 
| Chlorine (Dry) | A | 
| Chlorine (Wet) | B | 
| Chlorine Dioxide | A | 
| Chlorine Trifluoride | D | 
| Chloroacetic Acid | D | 
| Chloroacetone | D | 
| Cholorobenzene | A | 
| Chlorobromomethane | A | 
| Chlorobutadiene | A | 
| Chlorododecane | A | 
| Chloroform | A | 
| O-Chloronapthalene | A | 
| 1-Chloro-1-Nitro Ethane | D | 
| Chlorosulfonic Acid | D | 
| Chlorotoluene | A | 
| Chlorox (Sodium Hypochlorite NAOCl) | A | 
| Chrome Plating Solutions | A | 
| Chromic Acid | A | 
| Citric Acid | A | 
| Coal Tar (Creosote) | A | 
| Cobalt Chloride (Aqueous) | A | 
| Cocoanut Oil | A | 
| Cod Liver Oil | A | 
| Coke Oven Gas | A | 
| Copper Acetate (Aqueous) | D | 
| Copper Chloride (Aqueous) | A | 
| Copper Cyanide (Aqueous) | A | 
| Copper Sulfate (Aqueous) | A | 
| Corn Oil | A | 
| Cottonseed Oil | A | 
| Creosote (Coal Tar) | A | 
| Cresol | A | 
| Cresylic Acid | A | 
| Cumene | A | 
| Cyclohexane | A | 
| Cyclohexanol | A | 
| Cyclohexanone | D | 
| P-Cymene | A | 
| Decalin | A | 
| Decane | A | 
| Denatured Alcohol | A | 
| Detergent Solutions | A | 
| Developing Fluids | A | 
| Diacetone | D | 
| Diacetone Alcohol | D | 
| Dibenzyl Ether | D | 
| Dibenzyl Sebecate | B | 
| Dibromoethylbenzene | B | 
| Dibutyl Amine | D | 
| Dibutyl Ether | C | 
| Dibutyl Phthalate | C | 
| Dibutyl Sebecate | B | 
| O-Dichlorobenzene | A | 
| Dichloro-Isopropyl Ether | C | 
| Dicyclohexylamine | D | 
| Diesel Oil | A | 
| Diethylamine | D | 
| Diethyl Benzene | A | 
| Diethyl Ether | D | 
| Diethylene Glycol | A | 
| Diethyl Sebecate | B | 
| Diisobutylene | A | 
| Diisopropyl Benzene | A | 
| Diisopropyl Ketone | D | 
| Diisopropylidene Acetone (Phorone) | D | 
| Dimethyl Aniline (Xylidine) | D | 
| Dimethyl Ether (Methyl Ether) | D | 
| Dimethyl Formamide | D | 
| Dimethyl Phthalate | B | 
| Dinitrotoluene | D | 
| Dioctyl Phtalate | B | 
| Dioctyl Sebecate | B | 
| Dioxane | D | 
| Dioxolane | D | 
| Dipentene | A | 
| Diphenyl (Biphenyl) (Phenylbenzene) | A | 
| Diphenyl Oxides | A | 
| Dowtherm Oil | A | 
| Dry Cleaning Fluids | A | 
| Epichlorohydrin | D | 
| Ethane | A | 
| Ethanolamine | D | 
| Ethyl Acetate | D | 
| Ethyl Acetoacetate | D | 
| Ethyl Acrylate | D | 
| Ethyl Alcohol | B | 
| Ethyl Benzene | A | 
| Ethyl Benzoate | A | 
| Ethyl Cellosolve | D | 
| Ethyl Cellulose | D | 
| Ethyl Chloride | A | 
| Ethyl Chlorocarbonate | A | 
| Ethyl Chloroformate | D | 
| Ethyl Ether | D | 
| Ethyl Formate | A | 
| Ethyl Mercaptan | B | 
| Ethyl Oxalate | A | 
| Ethyl Pentachlorobenzene | A | 
| Ethyl Silicate | A | 
| Ethylene | A | 
| Ethylene Chloride | B | 
| Ethylene Chlorohydrin | A | 
| Ethylene Diamine | D | 
| Ethylene Dichloride | A | 
| Ethylene Glycol | A | 
| Ethylene Oxide | D | 
| Ethylene Trichloride | A | 
| Fatty Acids | A | 
| Ferric Chloride (Aqueous) | A | 
| Ferric Nitrate (Aqueous) | A | 
| Ferric Sulfate (Aqueous) | A | 
| Fish Oil | A | 
| Fluorinated Cyclic Ethers | * | 
| Fluorine (Liquid) | B | 
| Fluorobenzene | A | 
| Fluoroboric Acid | * | 
| Fluorocarbon Oils | * | 
| Fluorolube | B | 
| Fluorosilicic Acid (Hydrofluosilicic Acid) | A | 
| Formaldehyde (RT) | D | 
| Formic Acid | C | 
| Freon 11 | A | 
| Freon 12 | B | 
| Freon 13 | A | 
| Freon 21 | D | 
| Freon 22 | D | 
| Freon 31 | D | 
| Freon 32 | D | 
| Freon 112 | A | 
| Freon 113 | B | 
| Freon 114 | B | 
| Freon 115 | B | 
| Freon 142b | D | 
| Freon 152b | D | 
| Freon 218 | A | 
| Freon C316 | B | 
| Freon C318 | B | 
| Freon 13B1 | A | 
| Freon 114B2 | B | 
| Freon 502 | B | 
| Freon TF | B | 
| Freon T-WD602 | A | 
| Freon TMC | A | 
| Freon T-P35 | A | 
| Freon TA | D | 
| Freon TC | A | 
| Freon MF | B | 
| Freon BF | A | 
| Fuel Oil | A | 
| Fumaric Acid | A | 
| Furan, Furfuran | D | 
| Furfural | D | 
| Fyquel (Cellulube) | A | 
| Gallic Acid | A | 
| Gasoline | A | 
| Gelatin | A | 
| Glauber’s Salt (Aqueous) | A | 
| Glucose | A | 
| Glue | A | 
| Glycerin | A | 
| Glycols | A | 
| Green Sulfate Liquor | A | 
| Halowax Oil | A | 
| N-Hexaldehyde | D | 
| Hexane | A | 
| N-Hexene-1 | A | 
| Hexyl Alcohol | A | 
| Hydrazine | D | 
| Hydraulic Oil (Petroleum) | A | 
| Hydrobromic Acid | A | 
| Hydrobromic Acid 40% | A | 
| Hydrochloric Acid (Cold) 37% | A | 
| Hydrochloric Acid (Hot) 37% | B | 
| Hydrocyanic Acid | A | 
| Hydrofluoric Acid (Conc.) Cold | A | 
| Hydrofluoric Acid (Conc.) Hot | D | 
| Hydrofluoric Acid- Anhydrous | D | 
| Hydrofluosilicic Acid (Fluosilicic Acid) | A | 
| Hydrogen Gas | A | 
| Hydrogen Peroxide (90%) | B | 
| Hydrogen Sulfide (Wet) Cold | D | 
| Hydrogen Sulfide (Wet) Hot | D | 
| Hydroquinone | B | 
| Hypochlorous Acid | A | 
| Iodine Pentafluoride | D | 
| Iodoform | C | 
| Isobutyl Alcohol | A | 
| Isooctane | A | 
| Isophorone | D | 
| Isopropyl Acetate | D | 
| Isopropyl Alcohol | A | 
| Isopropyl Chloride | A | 
| Isopropyl Ether | D | 
| Kerosene | A | 
| Lacquers | D | 
| Lacquer Solvents | D | 
| Lactic Acid (Cold) | A | 
| Lactic Acid (Hot) | A | 
| Lard | A | 
| Lavendar Oil | A | 
| Lead Acetate (Aqueous) | D | 
| Lead Nitrate (Aqueous) | A | 
| Lead Sulfamate (Aqueous) | A | 
| Ligroin (Benzine) (Nitrobenzine) | A | 
| Lime Bleach | A | 
| Lime Sulfur | A | 
| Lindol (Hydraulic Fluid) | B | 
| Linoleic Acid | B | 
| Linseed Oil | A | 
| Liquefied Petroleum Gas | A | 
| Lubricating Oils (Petroleum) | A | 
| Lye | B | 
| Magnesium Chloride (Aqueous) | A | 
| Magnesium Hydroxide (Aqueous) | A | 
| Magnesium Sulfate (Aqueous) | A | 
| Maleic Acid | A | 
| Malic Acid | D | 
| Mercury Chloride (Aqueous) | A | 
| Mercury | A | 
| Mesityl Oxide | D | 
| Methane | A | 
| Methyl Acetate | D | 
| Methyl Acrylate | D | 
| Methylacrylic Acid | D | 
| Methyl Alcohol | D | 
| Methyl Bromide | A | 
| Methyl Butyl Ketone (Propyl Acetone) | D | 
| Methyl Cellosolve | D | 
| Methyl Chloride | B | 
| Methyl Cyclopentane | A | 
| Methylene Chloride | B | 
| Methyl Ether (Dimethyl Ether) | D | 
| Methyl Ethyl Ketone | D | 
| Methyl Formate | D | 
| Methyl Isobutyl Ketone | D | 
| Methyl Methacrylate | D | 
| Methyl Oleate | B | 
| Methyl Salicylate | B | 
| Milk | A | 
| Mineral Oil | A | 
| Monochlorobenzene | A | 
| Monomethyl Aniline | B | 
| Monoethanol Amine | D | 
| Monomethyl Ether (Methyl Ether) | D | 
| Monovinyl Acetylene | A | 
| Mustard Gas | A | 
| Naphtha | A | 
| Naphthalene | A | 
| Naphthalenic Acid | A | 
| Natural Gas | A | 
| Neats Foot Oil | A | 
| Neville Acid | A | 
| Nickel Acetate (Aqueous) | D | 
| Nickel Chloride (Aqueous) | A | 
| Nickel Sulfate (Aqueous) | A | 
| Niter Cake | A | 
| Nitric Acid (Conc.) | B | 
| Nitric Acid (Dilute) | A | 
| Nitric Acid-Red Fuming | C | 
| Nitrobenzene | B | 
| Nitrobenzene (Petroleum Ether) | A | 
| Nitroethane | D | 
| Nitrogen | A | 
| Nitrogen Tetroxide | D | 
| Nitromethane | D | 
| Octachlorotoluene | A | 
| Octadecane | A | 
| N-Octane | A | 
| Octyl Alcohol | A | 
| Oleic Acid | B | 
| Oleum Spirits | A | 
| Olive Oil | A | 
| O-Dichlorobenzene | A | 
| Oxalic Acid | A | 
| Oxygen-Cold | A | 
| Oxygen-(200-400oF) | B | 
| Ozone | A | 
| Paint Thinner, Duco | B | 
| Palmitic Acid | A | 
| Peanut Oil | A | 
| Perchloric Acid | A | 
| Perchloroethylene | A | 
| Petroleum-Below 250oF | A | 
| Petroleum-Above 250oF | B | 
| Phenol (Carbolic Acid) | A | 
| Phenylbenzene (Biphenyl) (Diphenyl) | A | 
| Phenyl Ethyl Ether | D | 
| Phenyl Hydrazine | B | 
| Phorone (Diisopropylidene Acetone) | D | 
| Phosphoric Acid-20% | A | 
| Phosphoric Acid-45% | A | 
| Phosphorus Trichloride | A | 
| Pickling Solution | A | 
| Picric Acid | A | 
| Pinene | A | 
| Pine Oil | A | 
| Piperidine | D | 
| Plating Solution- Chrome | A | 
| Plating Solution- Others | A | 
| Polyvinyl Acetate Emulsion | * | 
| Potassium Acetate (Aqueous) | D | 
| Potassium Chloride (Aqueous) | A | 
| Potassium Cupro Cyanide | A | 
| Potassium Cyanide (Aqueous) | A | 
| Potassium Dichromate (Aqueous) | A | 
| Potassium Hydroxide (Aqueous) | A | 
| Potassium Nitrate (Aqueous) | A | 
| Potassium Sulfate (Aqueous) | A | 
| Producer Gas | A | 
| Propane | A | 
| i-Propyl Acetate | D | 
| n-Propyl Acetate | D | 
| Propyl Acetone (Methyl Butyl Ketone) | D | 
| Propyl Alcohol | A | 
| Propyl Nitrate | D | 
| Propylene | A | 
| Propylene Oxide | D | 
| Pydraul, 10E, 29 ELT | A | 
| Pydraul, 30E, 50E, 65E, 90E | A | 
| Pydraul, 115E | A | 
| Pydraul, 230E, 312C, 540C | A | 
| Pyranol, Transformer Oil | A | 
| Pyridine | D | 
| Pyroligneous Acid | D | 
| Pyrrole | D | 
| Radiation | C | 
| Rapeseed Oil | A | 
| Red Oil (MIL-H-5606) | A | 
| RJ-1 (MIL-F-25558 B) | A | 
| RP-1 (MIL-F-25576 C) | A | 
| Sal Ammoniac | A | 
| Salicylic Acid | A | 
| Salt Water | A | 
| Sewage | A | 
| Silicate Esters | A | 
| Silicone Greases | A | 
| Silicone Oils | A | 
| Silver Nitrate | A | 
| Skydrol 500 | D | 
| Skydrol 7000 | B | 
| Soap Solutions | A | 
| Soda Ash | A | 
| Sodium Acetate (Aqueous) | D | 
| Sodium Bicarbonate (Aqueous)(Baking Soda) | A | 
| Sodium Bisulfite (Aqueous) | A | 
| Sodium Borate (Aqueous) | A | 
| Sodium Chloride (Aqueous) | A | 
| Sodium Cyanide (Aqueous) | A | 
| Sodium Hydroxide (Aqueous) | B | 
| Sodium Hypochlorite (Aqueous) (Chlorox) | A | 
| Sodium Metaphosphate (Aqueous) | A | 
| Sodium Nitrate (Aqueous) | A | 
| Sodium Perborate (Aqueous) | A | 
| Sodium Peroxide (Aqueous) | B | 
| Sodium Phosphate (Aqueous) | A | 
| Sodium Silicate (Aqueous) | A | 
| Sodium Sulfate (Aqueous) | A | 
| Sodium Thiosulfate (Aqueous) | A | 
| Soybean Oil | A | 
| Stannic Chloride (Aqueous) | A | 
| Stannous Chloride (Aqueous) | A | 
| Steam Under 300oF | D | 
| Steam Over 300oF | D | 
| Stearic Acid | A | 
| Stoddard Solvent | A | 
| Styrene | B | 
| Sucrose Solution | A | 
| Sulfite Liquors | A | 
| Sulfur | A | 
| Sulfur Chloride (Aqueous) | A | 
| Sulfur Dioxide (Dry) | B | 
| Sulfur Dioxide (Wet) | B | 
| Sulfur Dioxide (Liquified Under Pressure) | B | 
| Sulfur Hexafluoride | A | 
| Sulfur Trioxide | A | 
| Sulfuric Acid (Dilute) | A | 
| Sulfuric Acid (conc.) | A | 
| Sulfuric Acid (20% Oleum) | A | 
| Sulfurous Acid | C | 
| Tannic Acid | A | 
| Tar, Bitruminous | A | 
| Tartaric Acid | A | 
| Terpineol | A | 
| Tertiary Butyl Alcohol | A | 
| Tertiary Butyl Catechol | A | 
| Tertiary Butyl Mercaptan | A | 
| Tetrabromoethane | A | 
| Tetrabromomethane | A | 
| Tetrabutyl Titanate | A | 
| Tetrachloroethylene | A | 
| Tetrahydrofuran | D | 
| Tetralin | B | 
| Thionyl Chloride | B | 
| Titanium Tetrachloride | A | 
| Toluene | B | 
| Toluene Diisocyanate | D | 
| Transformer Oil | A | 
| Transmission Fluid Type A | A | 
| Triacetin | D | 
| Triaryl Phosphate | A | 
| Tributoxy Ethyl Phosphate | A | 
| Tributyl Mercaptan | A | 
| Tributyl Phosphate | D | 
| Trichloroacetic Acid | D | 
| Trichloroethane | A | 
| Trichloroethylene | A | 
| Tricresyl Phosphate | A | 
| Trethanol Amine | D | 
| Triethyl Aluminum | B | 
| Triethyl Borane | A | 
| Trinitrotoluene | B | 
| Trioctyl Phosphate | B | 
| Tung Oil (China Wood Oil) | A | 
| Turbine Oil | A | 
| Turpentine | A | 
| Usymmetrical Dimethyl Hydrazine | D | 
| Varnish | A | 
| Vegetable Oils | A | 
| Versilube F-50 | A | 
| Vinegar | A | 
| Vinyl Chloride | A | 
| Wagner 21B Brake Fluid | D | 
| Water | A | 
| Whiskey, Wines | A | 
| White Pine Oil | A | 
| White Oil | A | 
| Wood Oil | A | 
| Xylene | A | 
| Xylidine (Di-methyl Aniline) | D | 
| Zeolites | A | 
| Zinc Acetate (Aqueous) | D | 
| Zinc Chloride (Aqueous) | A | 
| Zinc Sulfate (Aqueous) | A |