This information is intended as a guideline. Rocket Seals, Inc. assumes no legal responsibility for the accuracy of this data.
O-Ring Chemical Compatibilities Chart
Please click here to view Chemical Compatibilities Chart .
| Chemical / Media | Perfluoro- | Viton | Aflas | Viton | EPDM | Buna-N | Silicone | Fluoro- |
| elastomer | Extreme | TFE/P | FKM | P.C. | NBR | silicone | ||
| 1=Satisfactory 2=Fair (usually OK for a static seal) 3=Doubtful (sometimes OK for a static seal) 4=Unsatisfactory | ||||||||
| Acetaldehyde | 2 | 4 | 4 | 4 | 2 | 4 | 2 | 4 |
| Acetamide | 1 | 3 | 2 | 3 | 1 | 1 | 2 | 1 |
| Acetanilide | 1 | - | - | - | - | - | - | - |
| Acetic Acid, 30% | 1 | 2 | - | 3 | 1 | 2 | 1 | 2 |
| Acetic Acid, Glacial | 1 | 2 | 3 | 4 | 2 | 2 | 2 | 4 |
| Acetic Anhydride | 1 | 2 | 2 | 4 | 2 | 4 | 3 | 4 |
| Acetoacetic Acid | 1 | - | - | - | - | - | - | - |
| Acetone | 1 | 3 | 4 | 4 | 1 | 4 | 3 | 4 |
| Acetone Cyanohydrin | 1 | - | - | - | - | - | - | - |
| Acetonitrile | 1 | 1 | 1 | 1 | 1 | 3 | - | - |
| Acetophenetidin | 1 | - | - | - | - | - | - | - |
| Acetophenone | 1 | 4 | 4 | 4 | 1 | 4 | 4 | 4 |
| Acetyl Bromide | 1 | - | - | - | - | - | - | - |
| Acetyl Chloride | 1 | 1 | 1 | 1 | 4 | 4 | 3 | 1 |
| Acetyl-o-Toluidine | 1 | - | - | - | - | - | - | - |
| Acetylacetone | 1 | 4 | 4 | 4 | 1 | 4 | 4 | 4 |
| Acetylene | 1 | 1 | 1 | 1 | 1 | 1 | 2 | - |
| Acetylene Tetrabromide | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 2 |
| Aconitic Acid | 1 | - | - | - | - | - | - | - |
| Acridine | 1 | - | - | - | - | - | - | - |
| Acrolein | 1 | - | - | - | - | - | - | - |
| Acrylic Acid | 1 | 4 | 4 | 4 | 3 | 2 | - | - |
| Acrylonitrile | 1 | 3 | 2 | 3 | 4 | 4 | 4 | 4 |
| Adipic Acid | 1 | 2 | 2 | 2 | 2 | 1 | - | 1 |
| Aero Lubriplate | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| Aero Shell 17 Grease | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| Aero Shell 1AC Grease | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| Aero Shell 750 | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Aero Shell 7A Grease | 1 | 1 | 1 | 1 | 4 | 2 | 2 | 1 |
| AEROSAFE 2300 | 1 | 4 | 3 | 4 | 1 | 4 | 3 | 3 |
| AEROSAFE 2300W | 1 | 4 | 2 | 4 | 1 | 4 | 3 | 3 |
| Aerozene 50 (50%Hydrazine, 50%UDMH) | 2 | 4 | 2 | 4 | 1 | 3 | 4 | 4 |
| Air, Below 200° F | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Alkanesulphonic Acid, Mixed | 1 | - | - | - | - | - | - | - |
| Alkazene | 1 | 2 | 2 | 2 | 4 | 4 | 4 | 2 |
| Allyl Chloride | 1 | 2 | 2 | 2 | 1 | 2 | - | - |
| Aluminum Acetate | 1 | 3 | 1 | 4 | 1 | 2 | 4 | 4 |
| Aluminum Bromide | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Aluminum Chlorate | 1 | - | - | - | - | - | - | - |
| Aluminum Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Aluminum Ethylate | 1 | - | - | - | - | - | - | - |
| Aluminum Fluoride | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Aluminum Fluorosilicate | 1 | - | - | - | - | - | - | - |
| Aluminum Hydroxide | 1 | 2 | 1 | 2 | 2 | 2 | - | - |
| Aluminum Nitrate | 1 | 1 | 1 | 1 | 1 | 2 | 2 | - |
| Aluminum Oxalate | 1 | - | - | - | - | - | - | - |
| Aluminum Phosphate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Aluminum Potassium Sulfate | 1 | - | - | - | - | - | - | - |
| Aluminum Salts | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Aluminum Sodium Sulfate | 1 | - | - | - | - | - | - | - |
| Aluminum Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| AMBREX 33 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 3 |
| AMBREX 830 | 1 | 1 | 1 | 1 | 3 | 1 | 2 | 1 |
| Amines Mixed (Eg: Allyl, Ethyl, Etc.) | 1 | 4 | 2 | 4 | 2 | 4 | 2 | 4 |
| Aminoanthraquinone | 1 | - | - | - | - | - | - | - |
| Ammonia + Lithium Metal Solution | 4 | 4 | 4 | 4 | 2 | 4 | 4 | 4 |
| Ammonia Gas, Cold | 1 | 4 | 1 | 4 | 1 | 1 | 1 | 4 |
| Ammonia Gas, Hot | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 4 |
| Ammonia, Liquid | 1 | 4 | 3 | 4 | 1 | 2 | 2 | 4 |
| Ammonium Acetate | 1 | - | - | - | - | - | - | - |
| Ammonium Arsenate | 1 | - | - | - | - | - | - | - |
| Ammonium Benzoate | 1 | - | - | - | - | - | - | - |
| Ammonium Bicarbonate | 1 | - | - | - | - | - | - | - |
| Ammonium Bifluoride | 1 | - | - | - | - | - | - | - |
| Ammonium Bromide | 1 | - | - | - | - | - | - | - |
| Ammonium Carbamate | 1 | - | - | - | - | - | - | - |
| Ammonium Carbonate | 1 | 3 | 1 | 3 | 1 | 4 | - | - |
| Ammonium Chloride | 1 | 1 | - | 1 | 1 | 1 | - | - |
| Ammonium Citrate, Dibasic | 1 | - | - | - | - | - | - | - |
| Ammonium Dichromate | 1 | - | - | - | - | - | - | - |
| Ammonium Fluoride | 1 | - | - | - | - | - | - | - |
| Ammonium Fluorosilicate | 1 | - | - | - | - | - | - | - |
| Ammonium Formate | 1 | - | - | - | - | - | - | - |
| Ammonium Hydroxide, Conc. | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 1 |
| Ammonium Iodide | 1 | - | - | - | - | - | - | - |
| Ammonium Molybdate | 1 | - | - | - | - | - | - | - |
| Ammonium Nitrate | 1 | 1 | 1 | 1 | 1 | 1 | 2 | - |
| Ammonium Oxalate | 1 | - | - | - | - | - | - | - |
| Ammonium Perchlorate | 1 | - | - | - | - | - | - | - |
| Ammonium Persulfate | 1 | 3 | 1 | 3 | 1 | 4 | - | 1 |
| Ammonium Phosphate, Dibasic | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Ammonium Phosphite | 1 | - | - | - | - | - | - | - |
| Ammonium Picrate | 1 | - | - | - | - | - | - | - |
| Ammonium Polysulfide | 1 | - | - | - | - | - | - | - |
| Ammonium Salts | 1 | 3 | 1 | 3 | 1 | 1 | 1 | 3 |
| Ammonium Sulfamate | 1 | - | - | - | - | - | - | - |
| Ammonium Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Ammonium Sulfide | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Ammonium Sulfite | 1 | - | - | - | - | - | - | - |
| Ammonium Thiocyanate | 1 | - | - | - | - | - | - | - |
| Ammonium Thioglycollate | 1 | - | - | - | - | - | - | - |
| Ammonium Thiosulfate | 1 | - | - | - | - | - | - | - |
| Ammonium Tungstate | 1 | - | - | - | - | - | - | - |
| Ammonium Valerate | 1 | - | - | - | - | - | - | - |
| Amyl Acetate | 1 | 4 | 4 | 4 | 1 | 4 | 4 | 4 |
| Amyl Alcohol | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 1 |
| Amyl Borate | 1 | 1 | 1 | 1 | 4 | 1 | - | - |
| Amyl Chloride | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 2 |
| Amyl Chloronaphthalene | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 2 |
| Amyl Naphthalene | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 1 |
| Amyl Nitrate | 1 | - | - | - | - | - | - | - |
| Amyl Nitrite | 1 | - | - | - | - | - | - | - |
| Amyl Propionate | 1 | - | - | - | - | - | - | - |
| Amylcinnamic Aldehyde | 1 | - | - | - | - | - | - | - |
| AN-0-3 Grade M | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| AN-0-366 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| AN-0-6 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| AN-VV-0-366B Hydraulic | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Anderol (Diester) | 1 | 1 | 2 | 1 | 4 | 2 | 4 | 2 |
| ANG-25 (Diester Base) | 1 | 1 | 2 | 1 | 4 | 2 | 2 | 2 |
| ANG-25 (Glyceral Ester) | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 2 |
| Aniline | 1 | 1 | 2 | 2 | 2 | 4 | 4 | 3 |
| Aniline Dyes | 1 | 2 | 1 | 2 | 2 | 4 | 3 | 2 |
| Aniline Hydrochloride | 1 | 2 | 1 | 2 | 3 | 4 | 4 | 2 |
| Aniline Oils | 1 | 3 | 2 | 3 | 2 | 4 | 4 | 3 |
| Animal Fats (Lard) | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| Anisole | 1 | - | - | - | - | - | - | - |
| Anisoyl Chloride | 1 | - | - | - | - | - | - | - |
| Ansul Ether 161 or 181 | 1 | 3 | 1 | 4 | 3 | 3 | 4 | 3 |
| Anthracene | 1 | - | - | - | - | - | - | - |
| Anthranilic Acid | 1 | - | - | - | - | - | - | - |
| Anthraquinone | 1 | - | - | - | - | - | - | - |
| Antimony Pentachloride | 1 | - | - | - | - | - | - | - |
| Antimony Pentafluoride | 2 | - | - | - | - | - | - | - |
| Antimony Sulfate | 1 | - | - | - | - | - | - | - |
| Antimony Tribromide | 1 | - | - | - | - | - | - | - |
| Antimony Trichloride | 1 | - | - | - | - | - | - | - |
| Antimony Trifluoride | 2 | - | - | - | - | - | - | - |
| Antimony Trioxide | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Aqua Regia | 1 | 2 | 3 | 2 | 3 | 4 | 4 | 3 |
| Arachidic Acid | 1 | - | - | - | - | - | - | - |
| Argon | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
| AROCLOR 1248 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 2 |
| AROCLOR 1254 | 1 | 1 | 1 | 1 | 2 | 4 | 3 | 1 |
| AROCLOR 1260 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
| Aromatic Fuels | 1 | 1 | 2 | 1 | 4 | 2 | 4 | 2 |
| Arsenic Acid | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Arsenic Pentafluoride | - | - | - | - | - | - | - | - |
| Arsenic Trichloride | 1 | 4 | 4 | 4 | 4 | 1 | - | - |
| Arsenic Trioxide | 1 | - | - | - | - | - | - | - |
| Arsenic Trisulfide | 1 | - | - | - | - | - | - | - |
| Arsine | 1 | - | - | - | - | - | - | - |
| Ascorbic Acid | 1 | - | - | - | - | - | - | - |
| Askarel Transformer Oil | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Aspartic Acid | 1 | - | - | - | - | - | - | - |
| Asphalt | 1 | 1 | - | 1 | 4 | 2 | 4 | 2 |
| Aspirin | 1 | - | - | - | - | - | - | - |
| ASTM Oil No.1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 1 |
| ASTM Oil No.2 | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 1 |
| ASTM Oil No.3 | 1 | 1 | 3 | 1 | 4 | 1 | 3 | 1 |
| ASTM Oil No.4 | 1 | 1 | 2 | 1 | 4 | 2 | 4 | 2 |
| ASTM Oil No.5 | 1 | 1 | 1 | 1 | 4 | 1 | - | - |
| ASTM Reference Fuel A | 1 | 1 | 3 | 1 | 4 | 1 | 4 | 1 |
| ASTM Reference Fuel B | 1 | 1 | 4 | 1 | 4 | 1 | 4 | 1 |
| ASTM Reference Fuel C | 1 | 1 | 4 | 2 | 4 | 2 | 4 | 2 |
| ASTM Reference Fuel D | 1 | 1 | 4 | 1 | 4 | 2 | - | - |
| AUREX 903R | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 4 |
| Automatic Transmission Fluid | 1 | 1 | 1 | 1 | 4 | 1 | 4 | - |
| Automotive Brake Fluid | 1 | 2 | 1 | 4 | 1 | 3 | 3 | 4 |
| AXAREL 9100 | 1 | - | - | - | - | - | - | - |
| Azobenzene | 1 | - | - | - | - | - | - | - |
| BARDOL B | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 2 |
| Barium Carbonate | 1 | - | - | - | - | - | - | - |
| Barium Chlorate | 1 | - | - | - | - | - | - | - |
| Barium Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Barium Cyanide | 1 | - | - | - | - | - | - | - |
| Barium Hydroxide | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Barium Iodide | 1 | - | - | - | - | - | - | - |
| Barium Nitrate | 1 | - | - | - | - | - | - | - |
| Barium Oxide | 1 | - | - | - | - | - | - | - |
| Barium Peroxide | 1 | - | - | - | - | - | - | - |
| Barium Salts | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Barium Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Barium Sulfide | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| BAYOL 35 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| BAYOL D | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Benzaldehyde | 2 | 4 | 2 | 4 | 1 | 4 | 4 | 4 |
| Benzamide | 1 | - | - | - | - | - | - | - |
| Benzanthrone | 1 | - | - | - | - | - | - | - |
| Benzene | 1 | 1 | 3 | 2 | 4 | 4 | 4 | 1 |
| Benzene Hexachloride (BHC) | 1 | - | - | - | - | - | - | - |
| Benzenesulfonic Acid | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Benzidine | 1 | - | - | - | - | - | - | - |
| Benzil | 1 | - | - | - | - | - | - | - |
| Benzilic Acid | 1 | - | - | - | - | - | - | - |
| Benzoic Acid | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Benzoin | 1 | - | - | - | - | - | - | - |
| Benzonitrile | 1 | - | - | - | - | - | - | - |
| Benzophenone | 1 | 1 | 1 | 1 | 2 | 4 | - | 1 |
| Benzotrichloride | 1 | 1 | 3 | 1 | 1 | 4 | - | - |
| Benzotrifluoride | 1 | - | - | - | - | - | - | - |
| Benzoyl Chloride | 1 | 2 | 2 | 2 | 4 | 4 | - | 2 |
| Benzoyl Peroxide | 1 | - | - | - | - | - | - | - |
| Benzyl Acetate | 1 | - | - | - | - | - | - | - |
| Benzyl Alcohol | 1 | 1 | 2 | 1 | 2 | 4 | 2 | 2 |
| Benzyl Benzoate | 1 | 1 | 3 | 1 | 2 | 4 | - | 1 |
| Benzyl Bromide | 1 | - | - | - | - | - | - | - |
| Benzyl Chloride | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 1 |
| Benzyl Salicylate | 1 | - | - | - | - | - | - | - |
| Benzylamine | 1 | - | - | - | - | - | - | - |
| Beryllium Chloride | 1 | - | - | - | - | - | - | - |
| Beryllium Fluoride | 1 | - | - | - | - | - | - | - |
| Beryllium Oxide | 1 | - | - | - | - | - | - | - |
| Beryllium Sulfate | 1 | - | - | - | - | - | - | - |
| Bismuth Nitrate | 1 | - | - | - | - | - | - | - |
| Bismuth Oxychloride | 1 | - | - | - | - | - | - | - |
| Bismuth Subcarbonate | 1 | - | - | - | - | - | - | - |
| Bittern | 1 | - | - | - | - | - | - | - |
| Black Liquor | 3 | 2 | 2 | 2 | 2 | 2 | - | - |
| Black Point 77 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 |
| Blast-Furnace Gas | 1 | 1 | 1 | 1 | 4 | 4 | 1 | 2 |
| Bleach Liquor | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Bone Oil | 1 | 1 | 1 | 1 | 2 | 1 | - | - |
| Borane | 1 | - | - | - | - | - | - | - |
| Borax | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Bordeaux Mixture | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Boric Acid | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Boric Oxide | 1 | - | - | - | - | - | - | - |
| Borneol | 1 | - | - | - | - | - | - | - |
| Bornyl Acetate | 1 | - | - | - | - | - | - | - |
| Bornyl Formate | 1 | - | - | - | - | - | - | - |
| Boron Fluids (HEF) | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Boron Phosphate | 1 | - | - | - | - | - | - | - |
| Boron Tribromide | 1 | - | - | - | - | - | - | - |
| Boron Trichloride | 1 | - | - | - | - | - | - | - |
| Boron Trifluoride | 1 | - | - | - | - | - | - | - |
| Boron Trioxide | 1 | - | - | - | - | - | - | - |
| BRAYCO 885 (MIL-L-6085A) | 1 | 1 | 2 | 1 | 4 | 2 | 4 | 2 |
| BRAYCO 910 | 1 | 4 | 3 | 4 | 1 | 2 | 4 | 4 |
| Brine | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bromic Acid | 1 | - | - | - | - | - | - | - |
| Bromine | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Bromine Pentafluoride | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Bromine Trifluoride | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Bromine, Anhydrous | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Bromobenzene | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 1 |
| Bromochloromethane | 1 | 1 | 3 | 1 | 2 | 4 | 4 | 2 |
| Bromochloropropane | 1 | - | - | - | - | - | - | - |
| Bromochlorotrifluoroethane (HALOTHANE) | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Bromoform | 1 | - | - | - | - | - | - | - |
| Bromotrifluoroethylene (BFE) | 1 | - | - | - | - | - | - | - |
| Bromotrifluoromethane (FC 13B1) | 2 | 2 | - | 1 | 1 | 1 | 4 | 2 |
| Buffered Oxide Etchants (BOE) | 1 | - | - | - | - | - | - | - |
| Bunker C | 1 | 1 | 2 | 1 | 4 | 1 | 2 | 1 |
| Butane | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 1 |
| Butyl Acetyl Ricinoleate | 1 | 1 | 1 | 1 | 1 | 2 | - | 2 |
| Butyl Amine | 1 | 4 | 2 | 4 | 4 | 3 | 4 | 4 |
| Butyl Benzoate | 1 | 1 | - | 1 | 1 | 4 | - | 1 |
| Butyl Benzyl Phthalate (BBP) | 1 | - | - | - | - | - | - | - |
| Butyl CARBITOL | 1 | 1 | 2 | 1 | 1 | 4 | 4 | 4 |
| Butyl CELLOSOLVE | 1 | 4 | 3 | 4 | 2 | 3 | - | 4 |
| Butyl CELLOSOLVE Acetate | 1 | 2 | 2 | 2 | 2 | 4 | 2 | 2 |
| Butyl Ether | 1 | 4 | - | 4 | 3 | 3 | 4 | 3 |
| Butyl Lactate | 1 | - | - | - | - | - | - | - |
| Butyl Laurate | 1 | - | - | - | - | - | - | - |
| Butyl Oleate | 1 | 1 | 1 | 1 | 2 | 4 | - | 2 |
| Butyl Stearate | 1 | 1 | 1 | 1 | 4 | 2 | - | 2 |
| Butylene | 1 | 1 | - | 1 | 4 | 2 | 4 | 2 |
| Butyraldehyde | 2 | 4 | 4 | 4 | 2 | 4 | 4 | 4 |
| Butyric Acid | 1 | 2 | - | 2 | 2 | 4 | - | - |
| Butyric Anhydride | 1 | - | - | - | - | - | - | - |
| Butyrolactone | 1 | - | - | - | - | - | - | - |
| Butyroyl Chloride | 1 | - | - | - | - | - | - | - |
| Cadmium Chloride | 1 | - | - | - | - | - | - | - |
| Cadmium Cyanide | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Cadmium Nitrate | 1 | - | - | - | - | - | - | - |
| Cadmium Oxide | 1 | - | - | - | - | - | - | - |
| Cadmium Sulfate | 1 | - | - | - | - | - | - | - |
| Cadmium Sulfide | 1 | - | - | - | - | - | - | - |
| Calcine Liquors | 1 | 1 | 1 | 1 | 1 | 1 | - | 1 |
| Calcium Nitrate | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Calcium Acetate | 1 | 4 | 1 | 4 | 1 | 2 | 4 | 4 |
| Calcium Arsenate | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Calcium Bisulfite | 1 | 1 | 1 | 1 | 4 | 1 | 3 | 3 |
| Calcium Bromide | 1 | - | - | - | - | - | - | - |
| Calcium Carbide | 1 | - | - | - | - | - | - | - |
| Calcium Carbonate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Calcium Chlorate | 1 | - | - | - | - | - | - | - |
| Calcium Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Calcium Chromate | 1 | - | - | - | - | - | - | - |
| Calcium Cyanamide | 1 | - | - | - | - | - | - | - |
| Calcium Cyanide | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Calcium Fluoride | 1 | - | - | - | - | - | - | - |
| Calcium Gluconate | 1 | - | - | - | - | - | - | - |
| Calcium Hydride | 1 | - | - | - | - | - | - | - |
| Calcium Hydrogen Sulfite | 1 | 1 | 1 | 1 | 4 | 4 | 1 | 1 |
| Calcium Hydrosulfide | 1 | - | - | - | - | - | - | - |
| Calcium Hydroxide | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Calcium Hypochlorite | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Calcium Hypophosphite | 1 | - | - | - | - | - | - | - |
| Calcium Nitrate | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Calcium Oxalate | 1 | - | - | - | - | - | - | - |
| Calcium Oxide | 1 | - | - | - | - | - | - | - |
| Calcium Permanganate | 1 | - | - | - | - | - | - | - |
| Calcium Peroxide | 1 | - | - | - | - | - | - | - |
| Calcium Phosphate, Monobasic | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Calcium Propionate | 1 | - | - | - | - | - | - | - |
| Calcium Salts | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Calcium Silicate | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Calcium Stearate | 1 | - | - | - | - | - | - | - |
| Calcium Sulfamate | 1 | - | - | - | - | - | - | - |
| Calcium Sulfate | 1 | - | - | - | - | - | - | - |
| Calcium Sulfide | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Calcium Sulfite | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Calcium Thiocyanate | 1 | - | - | - | - | - | - | - |
| Calcium Thiosulfate | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 |
| Calcium Tungstate | 1 | - | - | - | - | - | - | - |
| Caliche Liquors | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Camphene | 1 | - | - | - | - | - | - | - |
| Camphor | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Camphoric Acid | 1 | - | - | - | - | - | - | - |
| Cane Sugar Liquors | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Capric Acid | 1 | - | - | - | - | - | - | - |
| Caproic Acid | 1 | - | - | - | - | - | - | - |
| Caproic Aldehyde | 1 | - | 4 | 4 | 2 | - | 2 | 4 |
| Caprolactam | 1 | 3 | 2 | 4 | 1 | 1 | - | - |
| Carbamate | 1 | 1 | - | 1 | 2 | 3 | - | 1 |
| Carbazole | 1 | - | - | - | - | - | - | - |
| Carbitol | 1 | 2 | - | 2 | 2 | 2 | 2 | 2 |
| Carbolic Acid | 1 | 1 | - | 1 | 2 | 4 | 4 | 1 |
| Carbon Dioxide, Dry | 1 | 2 | 1 | 2 | 2 | 1 | 2 | 2 |
| Carbon Dioxide, Wet | 1 | 2 | 1 | 2 | 2 | 1 | - | - |
| Carbon Disulfide | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 1 |
| Carbon Fluorides | 1 | - | - | - | - | - | - | - |
| Carbon Monoxide | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Carbon Tetrabromide | 1 | - | - | - | - | - | - | - |
| Carbon Tetrachloride | 1 | 1 | 4 | 1 | 4 | 2 | 4 | 2 |
| Carbonic Acid | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 |
| Caro's Acid | 1 | - | - | - | - | - | - | - |
| Casein | 1 | - | - | - | - | - | - | - |
| Castor Oil | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
| Caustic Lime | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Caustic Potash | 1 | 3 | 1 | 4 | 1 | 2 | 3 | 3 |
| Caustic Soda | 1 | 3 | 1 | 4 | 1 | 2 | 2 | 2 |
| CELLOSOLVE | 1 | 4 | 1 | 4 | 2 | 4 | 4 | 4 |
| CELLOSOLVE Acetate | 1 | 4 | 3 | 4 | 2 | 4 | 4 | 4 |
| CELLUGUARD | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Cellulose Acetate | 1 | - | - | - | - | - | - | - |
| CELLULUBE (Phosphate Esters) | 1 | 1 | 2 | 1 | 1 | 4 | 1 | 3 |
| CELLULUBE A60 | 1 | 4 | 2 | 4 | 2 | 4 | 2 | 3 |
| CELLUTHERM 2505A | 1 | 1 | 1 | 2 | 4 | 2 | 4 | 2 |
| Cement, Portland | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Ceric Sulfate | 1 | - | - | - | - | - | - | - |
| Cerous Chloride | 1 | - | - | - | - | - | - | - |
| Cerous Fluoride | 1 | - | - | - | - | - | - | - |
| Cerous Nitrate | 1 | - | - | - | - | - | - | - |
| Cetane (Hexadecane) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 3 |
| Cetyl Alcohol | 1 | - | - | - | - | - | - | - |
| Chaulmoogric Acid | 1 | - | - | - | - | - | - | - |
| Chloral | 1 | - | - | - | - | - | - | - |
| Chloramine | 1 | - | - | - | - | - | - | - |
| Chlordane | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Chlorextol | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Chloric Acid | 1 | - | - | - | - | - | - | - |
| Chlorinated Naphthalene | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 2 |
| Chlorinated Salt Brine | 1 | 1 | 1 | 1 | 4 | 4 | - | - |
| Chlorinated Solvents | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 1 |
| Chlorine (Dry) | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 1 |
| Chlorine (Wet) | 1 | 1 | 3 | 1 | 2 | 3 | 4 | 2 |
| Chlorine Dioxide | 2 | 2 | 3 | 2 | 3 | 4 | - | 2 |
| Chlorine Trifluoride | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Chlorine Water | 1 | 1 | 1 | 1 | 2 | 3 | 4 | - |
| Chloroacetaldehyde | 2 | - | - | - | - | - | - | - |
| Chloroacetic Acid | 1 | 4 | 2 | 4 | 2 | 4 | - | 4 |
| Chloroacetone | 1 | 4 | 4 | 4 | 1 | 4 | 4 | 4 |
| Chloroacetyl Chloride | 1 | - | - | - | - | - | - | - |
| Chlorobenzaldehyde | 1 | - | - | - | - | - | - | - |
| Chlorobenzene | 1 | 1 | - | 1 | 4 | 4 | 4 | 2 |
| Chlorobromo Methane | 1 | 1 | 3 | 1 | 2 | 4 | 4 | 2 |
| Chlorobutadiene | - | 1 | 3 | 1 | 4 | 4 | 4 | 2 |
| Chlorodifluoroethane (FC 142b) | 2 | 4 | - | 4 | 1 | - | - | - |
| Chlorodifluoromethane (FC 22) | 1 | 4 | - | 4 | 2 | 4 | 4 | 3 |
| Chlorododecane | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 1 |
| Chloroform | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 3 |
| Chlorohydrin | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Chloronitrobenzene (p-) | 1 | - | - | - | - | - | - | - |
| Chloronitroethane | 1 | 4 | - | 4 | 4 | 4 | 4 | 4 |
| Chloropentafluoroethane (FC 115) | 2 | 1 | 4 | 1 | 1 | 1 | - | - |
| Chloropicrin | 1 | - | - | - | - | - | - | - |
| Chloroprene | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 2 |
| Chlorosulfonic Acid | 1 | 4 | - | 4 | 4 | 4 | 4 | 4 |
| Chlorotetrafluoroethane (FC 124) | 2 | - | - | - | - | - | - | - |
| Chlorotoluene Sulfonic Acid | 1 | - | - | - | - | - | - | - |
| Chlorotrifluoromethane (FC 13) | 2 | 1 | - | 1 | 1 | - | 4 | 4 |
| Chlorotritluoroethylene (CTFE) | 2 | - | - | - | - | - | - | - |
| Chlorox | 1 | 1 | 1 | 1 | 2 | 2 | - | 1 |
| Chloroxylenol | 1 | - | - | - | - | - | - | - |
| Cholesterol | 1 | - | - | - | - | - | - | - |
| Choline | 1 | - | - | - | - | - | - | - |
| Chrome Alum | 1 | 1 | 3 | 1 | 1 | 1 | 1 | - |
| Chrome Plating Solution | 1 | 1 | 1 | 1 | 2 | 4 | 2 | 2 |
| Chromic Acid | 1 | 1 | 1 | 1 | 2 | 4 | 3 | 3 |
| Chromic Chloride | 1 | - | - | - | - | - | - | - |
| Chromic Fluoride | 1 | - | - | - | - | - | - | - |
| Chromic Hydroxide | 1 | - | - | - | - | - | - | - |
| Chromic Nitrate | 1 | - | - | - | - | - | - | - |
| Chromic Oxide | 1 | 1 | 1 | 1 | 2 | 4 | - | - |
| Chromic Phosphate | 1 | - | - | - | - | - | - | - |
| Chromic Sulfate | 1 | - | - | - | - | - | - | - |
| Chromium Potassium Sulfate | 1 | 1 | 2 | 1 | 2 | 2 | - | - |
| Chromyl Chloride | 1 | - | - | - | - | - | - | - |
| Cinnamic Acid | 1 | - | - | - | - | - | - | - |
| Cinnamic Alcohol | 1 | - | - | - | - | - | - | - |
| Cinnamic Aldehyde | 1 | - | - | - | - | - | - | - |
| Circo Light Process Oil | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Citric Acid | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| City Service 65,120,250 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| City Service Kool Motor Oil No.140 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| City Service Pacemaker No.2 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| CLOROX | 1 | 1 | - | 1 | 2 | 2 | 2 | 2 |
| Coal Tar | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Cobaltous Acetate | 1 | - | - | - | - | - | - | - |
| Cobaltous Bromide | 1 | - | - | - | - | - | - | - |
| Cobaltous Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Cobaltous Linoleate | 1 | - | - | - | - | - | - | - |
| Cobaltous Sulfate | 1 | - | - | - | - | - | - | - |
| Coconut Oil | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 1 |
| Cod Liver Oil | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Coke Oven Gas | 1 | 1 | 1 | 1 | 4 | 4 | 2 | 2 |
| CONVELEX 10 | 1 | 1 | 2 | 1 | 3 | 4 | 4 | - |
| COOLANOL | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Copper Acetate | 1 | 4 | 4 | 4 | 1 | 2 | 4 | 4 |
| Copper Carbonate | 1 | - | - | - | - | - | - | - |
| Copper Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Copper Cyanide | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 |
| Copper Gluconate | 1 | - | - | - | - | - | - | - |
| Copper Naphthenate | 1 | - | - | - | - | - | - | - |
| Copper Nitrate | 1 | 1 | 2 | 1 | 2 | 2 | - | - |
| Copper Salts | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Copper Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Corn Oil | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 1 |
| Cottonseed Oil | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 1 |
| Creosote-Coal Tar | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Cresol (Methyl Phenol) | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Cresylic Acids | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Crotonaldehyde | 1 | - | - | - | - | - | - | - |
| Crotonic Acid | 1 | 4 | - | 4 | 2 | 4 | 4 | 4 |
| Crude Oil (Asphalt Base) | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Cumene | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 2 |
| Cumene Hydroperoxide | 1 | - | - | - | - | - | - | - |
| Cuminic Aldehyde | 1 | - | - | - | - | - | - | - |
| Cupric Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Cutting Oil | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Cyanamide | 1 | - | - | - | - | - | - | - |
| Cyanoacetic Acid | 1 | - | - | - | - | - | - | - |
| Cyanogen Chloride | 1 | 2 | 3 | 2 | 3 | 4 | - | - |
| Cyanohydrin | 1 | - | - | - | - | - | - | - |
| Cyanuric Chloride | 1 | - | - | - | - | - | - | - |
| Cyclohexane | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 1 |
| Cyclohexanol | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Cyclohexanone | 2 | 4 | 3 | 4 | 2 | 4 | 4 | 4 |
| Cyclohexene | 1 | - | - | - | - | - | - | - |
| Cyclohexylamine | 1 | - | - | - | - | - | - | - |
| Cyclopentadiene | 1 | - | - | - | - | - | - | - |
| Cyclopentane | 1 | - | - | - | - | - | - | - |
| Cyclopropane | 1 | - | - | - | - | - | - | - |
| DDT (Dichlorodiphenyltrichloroethane) | 1 | 1 | - | 1 | 4 | 4 | 4 | 1 |
| Decahydronaphthalene | 1 | 1 | - | 1 | 4 | 4 | 4 | 1 |
| Deionized Water | 1 | 2 | 2 | 1 | 2 | 2 | - | - |
| DELCO Brake Fluid | 1 | 4 | 1 | 4 | 1 | 3 | 3 | 4 |
| Detergent Solutions | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Developing Fluids | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
| DEXTRON | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 2 |
| Diacetone | 1 | 4 | - | 4 | 1 | 4 | 4 | 4 |
| Diacetone Alcohol (Diacetol) | 1 | 4 | 4 | 4 | 1 | 4 | 4 | 4 |
| Diallyl Phthalate (DAP) | 1 | - | - | - | - | - | - | - |
| Diamylamine | 1 | - | - | - | - | - | - | - |
| DIAZINON | 1 | 4 | 4 | 2 | 4 | 3 | 4 | 2 |
| Dibenzyl Ether | 1 | 4 | 3 | 4 | 2 | 4 | - | - |
| Dibenzyl Sebacate | 1 | 2 | 1 | 2 | 2 | 4 | 3 | 3 |
| Diborane | 1 | - | - | - | - | - | - | - |
| Dibromodifluoromethane | 1 | - | - | - | 2 | 4 | 4 | - |
| Dibromoethylbenzene | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 2 |
| Dibromotetrafluoroethane (FC 114B2) | 2 | 2 | 4 | 2 | 4 | 2 | 4 | - |
| Dibutyl Ether | 1 | 3 | 4 | 3 | 3 | 4 | 4 | 3 |
| Dibutyl Phthalate (DBP) | 1 | 2 | 2 | 2 | 2 | 4 | 2 | 3 |
| Dibutyl Sebacate | 1 | 1 | 2 | 1 | 2 | 4 | 2 | 2 |
| Dibutyl tert-Peroxide | 1 | - | - | - | - | - | - | - |
| Dicapryl Phthalate | 1 | 2 | - | 2 | 2 | 4 | 3 | 2 |
| Dichloroacetic Acid | 1 | - | - | - | - | - | - | - |
| Dichlorobutane | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Dichlorobutene | 1 | - | - | - | - | - | - | - |
| Dichlorodiethyl Sulfide | 1 | - | - | - | 1 | - | 1 | - |
| Dichlorodifluoromethane (FC 12) | 2 | 1 | 4 | 2 | 2 | 1 | 4 | 4 |
| Dichloroethylene | 1 | 1 | - | 2 | - | - | - | - |
| Dichlorofluoroethane (FC 141b) | 1 | - | - | - | - | - | - | - |
| Dichlorofluoromethane (FC 21) | 1 | 4 | - | 4 | 4 | 4 | 4 | - |
| Dichlorohydrin | 1 | - | - | - | - | - | - | - |
| Dichloroisopropyl Ether | 1 | 3 | 3 | 3 | 3 | 4 | 4 | 3 |
| Dichlorophenol | 1 | - | - | - | - | - | - | - |
| Dichloropropene | 1 | - | - | - | - | - | - | - |
| Dichlorosilane | 1 | - | - | - | - | - | - | - |
| Dichlorotetrafluoroethane (FC 114) | 2 | 1 | 4 | 1 | 1 | 1 | 4 | 2 |
| Dichlorotrifluoroethane (FC 123) | 1 | - | - | - | - | - | - | - |
| Dicyclohexylamine | 1 | 4 | 3 | 4 | 4 | 3 | - | 4 |
| Dieldrin (HEOD) | 1 | - | - | - | - | - | - | - |
| Diesel Oil | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Diester Lubricant (MIL-L-78O8) | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Diester Synthetic Lubricating Oils | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Diethanolamine (DEA) | 1 | - | - | - | - | - | - | - |
| Diethyl Carbonate | 1 | - | - | - | - | - | - | - |
| Diethyl Ether | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| Diethyl Phthalate | 1 | - | - | - | - | - | - | - |
| Diethyl Sebacate | 1 | 2 | 2 | 2 | 2 | 4 | 2 | 2 |
| Diethyl Sulfate | 1 | 4 | 1 | 4 | 1 | 4 | - | - |
| Diethylamine | 1 | 4 | 4 | 4 | 2 | 2 | 2 | 4 |
| Diethylbenzene | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 3 |
| Diethylene Glycol | 1 | 2 | 1 | 2 | 1 | 1 | 2 | 1 |
| Diethylene Glycol Butyl Ether | 1 | 3 | 2 | 3 | 1 | 4 | 4 | 4 |
| Diethylene Glycol Methyl Ether | 1 | - | - | - | - | - | - | - |
| Diethylenetriamine | 1 | - | - | - | - | - | - | - |
| Diethylhexyl Phthalate | 1 | 2 | 2 | 2 | 2 | 4 | 3 | 2 |
| Diethylhexyl Sebacate | 1 | 2 | 1 | 2 | 2 | 4 | 3 | 3 |
| Diethylhexylamine | 1 | - | - | - | - | - | - | - |
| Difluoroethane (FC 152a) | 1 | 4 | - | 4 | 1 | 1 | - | - |
| Diglycol Chloroformate | 1 | - | - | - | - | - | - | - |
| Diglycolic Acid | 1 | - | - | - | - | - | - | - |
| Dihydroxydiphenylsulfone | 1 | - | - | - | - | - | - | - |
| Diisobutyl Ketone | 1 | - | - | 4 | 1 | - | - | - |
| Diisobutylene | 1 | 1 | - | 1 | 4 | 2 | 4 | 3 |
| Diisooctyl Sebacate (DIOS) | 1 | 2 | - | 2 | 3 | 3 | 3 | 3 |
| Diisopropyl Ketone | 1 | 4 | - | 4 | 1 | 4 | 4 | 4 |
| Diisopropylbenzene | 1 | 1 | - | 1 | 4 | 4 | - | 2 |
| Diisopropylidene Acetone | 1 | 4 | - | 4 | 3 | 4 | 4 | 4 |
| Dimethyl Acetamide (DMAC) | 1 | - | - | 4 | - | - | - | - |
| Dimethyl Ether | 1 | 4 | 4 | 4 | 4 | 4 | 1 | 1 |
| Dimethyl Heptanol | 1 | - | - | - | - | - | - | - |
| Dimethyl Hydrazine | 1 | - | - | - | - | - | - | - |
| Dimethyl Phthalate | 1 | 1 | 2 | 1 | 2 | 4 | - | 2 |
| Dimethyl Sulfoxide (DMSO) | 1 | 3 | 2 | 4 | 1 | 3 | - | - |
| Dimethyl Terephthalate (DMT) | 1 | - | - | 2 | - | - | - | - |
| Dimethylamine (DMA) | 2 | - | - | - | - | - | - | - |
| Dimethylaniline | 1 | 4 | - | 4 | 2 | 3 | 4 | 4 |
| Dimethylformamide (DMF) | 1 | 1 | 3 | 4 | 2 | 3 | 2 | 4 |
| Dinitrotoluene (DNT) | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Dioxane | 1 | 4 | 4 | 4 | 2 | 4 | 4 | 3 |
| Dioxolane | 1 | 4 | 4 | 4 | 2 | 4 | 4 | 4 |
| Dipentene | 1 | 1 | 3 | 1 | 4 | 2 | 4 | 3 |
| Diphenyl | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 2 |
| Diphenyl Oxide | 1 | 1 | 2 | 1 | 4 | 4 | 3 | 2 |
| Diphenylamine (DPA) | 1 | - | - | - | - | - | - | - |
| Diphenylene Oxide | 1 | - | - | - | - | - | - | - |
| Disilane | 1 | - | - | - | - | - | - | - |
| Dodecylbenzene | 1 | - | - | - | - | - | - | - |
| Dow Chemical 50-4, ET588 | 2 | 4 | 4 | 4 | 1 | 3 | - | 4 |
| Dow Chemical ET378 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | - |
| Dow Corning 1208,4050,6620,F-60,Xf-60 | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Dow Corning 3,4,11 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 1 |
| Dow Corning 5,33,44,200,220,510,550,705,710 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 2 |
| Dow Corning 55 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 2 |
| Dow Corning F-61 | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| DOW GUARD | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| DOWTHERM 209 | 1 | 3 | 1 | 3 | 1 | 3 | 3 | 3 |
| DOWTHERM A | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 2 |
| DOWTHERM E | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Drinking Water | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry Cleaning Fluids | 2 | 1 | 3 | 1 | 4 | 3 | 4 | 2 |
| DTE Light Oil | 1 | 1 | 1 | 1 | 4 | 1 | 3 | 1 |
| ELCO 28 EP Lubricant | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| Epichlorohydrin | 2 | 4 | 4 | 4 | 2 | 4 | 4 | 4 |
| Epoxy Resins | 1 | 4 | 2 | 4 | 1 | 3 | - | - |
| Erucic Acid | 1 | - | - | - | - | - | - | - |
| Esam-6 Fluid | 1 | 4 | 4 | 4 | 1 | 4 | - | 4 |
| ESSO Fuel 208 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| ESSO Golden Gasoline | 1 | 1 | 3 | 1 | 4 | 2 | 4 | 1 |
| ESSO Motor Oil | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| ESSO Transmission Fluid, Type A | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| ESSO WS2812 (MIL-L-7808A) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| ESSO XP9O-EP Lubricant | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| ESSTIC 42,43 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Ethane | 1 | 1 | - | 1 | 4 | 1 | 4 | 2 |
| Ethanethiol+D30 | 1 | 2 | - | 2 | 3 | 4 | 3 | - |
| Ethanolamine (MEA) | 1 | 4 | - | 4 | 2 | 4 | 2 | 4 |
| Ether | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
| Ethyl Acetate | 1 | 3 | 4 | 4 | 2 | 4 | 2 | 4 |
| Ethyl Acetoacetate | 1 | 4 | - | 4 | 2 | 4 | 2 | 4 |
| Ethyl Acrylate | 1 | 4 | 3 | 4 | 2 | 4 | 2 | 4 |
| Ethyl Alcohol (Ethanol) | 1 | 3 | 1 | 3 | 1 | 1 | 1 | 1 |
| Ethyl Aluminum Dichloride | 1 | - | - | - | - | - | - | - |
| Ethyl Benzene | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 1 |
| Ethyl Benzoate | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 1 |
| Ethyl Bromide | 1 | 1 | 1 | 1 | 4 | 2 | - | 1 |
| Ethyl Butyrate | 1 | - | - | - | - | - | - | - |
| Ethyl Cellulose | 1 | 4 | - | 4 | 2 | 2 | 3 | 4 |
| Ethyl Chloride | 1 | 1 | 2 | 1 | 3 | 1 | 4 | 1 |
| Ethyl Chlorocarbonate | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 2 |
| Ethyl Cyanide | 1 | 1 | 1 | 1 | 4 | 1 | - | - |
| Ethyl Dibromide | 1 | 1 | 2 | 1 | 3 | 4 | - | - |
| Ethyl Dichloride | 1 | 1 | 1 | 1 | 3 | 4 | - | - |
| Ethyl Ether | 1 | 4 | 4 | 4 | 3 | 4 | 4 | 3 |
| Ethyl Formate | 2 | 1 | 1 | 1 | 2 | 4 | - | 1 |
| Ethyl Hexanol | 1 | 1 | - | 1 | 1 | 1 | 2 | 1 |
| Ethyl Isovalerate | 1 | - | - | - | - | - | - | - |
| Ethyl Lactate (EL) | 1 | - | - | - | - | - | - | - |
| Ethyl Mercaptan | 1 | 2 | - | 2 | - | 4 | 3 | - |
| Ethyl Nitrite | 1 | - | - | - | - | - | - | - |
| Ethyl Oxalate | 1 | 1 | - | 1 | 1 | 4 | 4 | 2 |
| Ethyl Pentachlorobenzene | 1 | 1 | - | 1 | 4 | 4 | 4 | 2 |
| Ethyl Silicate (TEOS) | 1 | 1 | - | 1 | 1 | 1 | 4 | 1 |
| Ethyl Tertiary Butyl Ether | 1 | 1 | 2 | 2 | 3 | 3 | - | - |
| Ethylamine | 1 | 4 | - | 4 | - | - | - | - |
| Ethylcyclopentane | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 1 |
| Ethylene | 1 | 1 | - | 1 | 2 | 1 | - | 1 |
| Ethylene Chloride | 1 | 2 | - | 2 | 4 | 4 | 4 | 2 |
| Ethylene Chlorohydrin | 1 | 1 | 1 | 1 | 2 | 4 | 3 | 2 |
| Ethylene Cyanohydrin | 1 | - | - | - | - | - | - | - |
| Ethylene Dibromide | 1 | 1 | - | 1 | 3 | 4 | 4 | 3 |
| Ethylene Dichloride | 1 | 1 | - | 1 | 3 | 4 | 4 | 3 |
| Ethylene Glycol | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Ethylene Glycol Butyl Ether | 1 | 4 | 3 | 4 | 2 | 3 | - | 4 |
| Ethylene Glycol Butyl Ether Acetate | 1 | 2 | 2 | 2 | 2 | 4 | 2 | 2 |
| Ethylene Glycol Ethyl Ether Acetate (EGMEEA) | 1 | 4 | 3 | 4 | 2 | 4 | 4 | 4 |
| Ethylene Oxide | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Ethylene Trichloride | 1 | 1 | 4 | 1 | 3 | 4 | 4 | 3 |
| Ethylenediamine | 2 | 3 | 2 | 4 | 1 | 1 | 1 | 4 |
| Ethylethoxy-3-Propionate (EEP) | 1 | - | - | - | - | - | - | - |
| Ethylhexyl Acrylate | 1 | - | - | - | - | - | - | - |
| Ethylmorpholine | 1 | - | - | - | - | - | - | - |
| Ethylmorpholine Stannous Octotate (50/50 mixture) | 1 | 4 | - | 4 | 2 | 4 | - | - |
| Ethylsulfuric Acid | 1 | - | - | - | - | - | - | - |
| F 60 Fluid | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 |
| F 61 Fluid | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 |
| Fatty Acids | 1 | 1 | 1 | 1 | 3 | 2 | 3 | - |
| FC 11 (CFC)(Trichlorofluoromethane) | 1 | 2 | 4 | 2 | 4 | 2 | 4 | 2 |
| FC 112 | 2 | 1 | 4 | 1 | 4 | 2 | 4 | 2 |
| FC 113 (CFC)(Trichlorotrifluoroethane) | 2 | 2 | 4 | 2 | 4 | 2 | 4 | 4 |
| FC 114 (CFC)(Dichlorotetrafluoroethane) | 2 | 1 | 4 | 1 | 1 | 1 | 4 | 2 |
| FC 114B2 (Dibromotetrafluoroethane) | 2 | 2 | 4 | 2 | 4 | 2 | 4 | - |
| FC 115 (CFC)(Chloropentafluoroethane) | 2 | 2 | 4 | 2 | 1 | 1 | - | - |
| FC 116 (FC)(Hexafluoroethane) | 2 | - | - | 2 | 1 | 1 | - | - |
| FC 12 (CFC)(Dichlorodifluoromethane) | 2 | 1 | 4 | 2 | 2 | 1 | 4 | 4 |
| FC 123 (HCFC)(Dichlorotrifluoroethane) | 1 | - | - | - | - | - | - | - |
| FC 124 (CFC)(Chlorotetrafluoroethane) | 2 | - | - | - | - | - | - | - |
| FC 125 (HFC)(Pentafluoroethane) | 2 | - | - | - | - | - | - | - |
| FC 13 (CFC)(Chlorotrifluoromethane) | 2 | 1 | - | 1 | 1 | 1 | 4 | 4 |
| FC 134a (HFC)(1,1,1,2-Tetrafluoroethane) | 1 | - | - | - | - | - | - | - |
| FC 13B1 (FC)(Bromotrifluoromethane) | 2 | 2 | - | 2 | 1 | 1 | 4 | 2 |
| FC 14 (FC)(Tetrafluoromethane) | 1 | 1 | - | 1 | 1 | 1 | 4 | - |
| FC 141b (HCFC)(Dichlorofluoroethane) | 1 | - | - | - | - | - | - | - |
| FC 142b (HCFC)(Difluorochloroethane) | 2 | 2 | 4 | 2 | 4 | 2 | - | - |
| FC 143a (HFC)(1,1,1-Trifluoroethane) | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 2 |
| FC 152a (HCFC)(Difluoroethane) | 1 | 4 | - | 4 | 1 | 1 | - | - |
| FC 152b | 2 | - | - | - | - | - | - | - |
| FC 21 (CFC)(Dichlorofluoromethane) | 1 | 4 | - | 4 | 4 | 4 | 4 | - |
| FC 218 | 2 | 1 | - | 1 | 1 | 1 | - | - |
| FC 22 (HCFC)(Chlorodifluoromethane) | 1 | 4 | - | 4 | 2 | 4 | 4 | 3 |
| FC 23 (HFC)(Fluoroform) | 1 | - | - | - | - | - | - | - |
| FC 31 | 2 | 4 | - | 4 | 1 | 4 | - | - |
| FC 32 | 1 | 4 | 4 | 4 | 1 | 1 | - | - |
| FC 43 (Heptacosofluorotributylamine) | 4 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |
| FC 502 | 2 | 2 | - | 2 | 1 | 2 | - | - |
| FC 75 | 4 | 2 | 3 | 2 | 1 | 1 | - | - |
| FC BF | 2 | 1 | - | 1 | 4 | 2 | 4 | - |
| FC C316 | 2 | 1 | - | 1 | 1 | 1 | - | - |
| FC C318 (Octafluoro-tetraethylene) | 2 | 2 | 4 | 2 | 1 | 1 | - | - |
| FC PCA | 3 | 2 | 4 | 2 | 4 | 1 | 4 | - |
| FC T-P35 | 2 | 1 | - | 1 | 1 | 1 | 1 | - |
| FC T-WD602 | 2 | 1 | - | 1 | 2 | 2 | 4 | - |
| FC TA | 2 | 3 | - | 3 | 2 | 1 | 3 | - |
| FC TC | 2 | 1 | - | 1 | 2 | 1 | 4 | - |
| FC TMC | 2 | 1 | - | 1 | 3 | 2 | 3 | - |
| Ferric Acetate | 1 | - | - | - | - | - | - | - |
| Ferric Ammonium Sulfate | 1 | - | - | - | - | - | - | - |
| Ferric Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Ferric Hydroxide | 1 | - | - | - | - | - | - | - |
| Ferric Nitrate | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 1 |
| Ferric Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Ferrous Ammonium Sulfate | 1 | - | - | - | - | - | - | - |
| Ferrous Chloride | 1 | - | - | - | - | - | - | - |
| Ferrous Iodide | 1 | - | - | - | - | - | - | - |
| Ferrous Sulfate | 1 | - | - | - | - | - | - | - |
| Fish Oil | 1 | 1 | - | 1 | 4 | 1 | 1 | 1 |
| Fluoboric Acid | 1 | - | - | - | 1 | 1 | - | - |
| Fluorine | 2 | 2 | - | 2 | 4 | - | 4 | - |
| FLUORINERT (FC 70) | 2 | 2 | - | 1 | - | - | - | - |
| Fluorobenzene | 1 | 1 | - | 1 | 4 | 4 | 4 | 2 |
| Fluoroform (FC 23) | 1 | - | - | - | - | - | - | - |
| FLUOROLUBE | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 |
| Fluorophosphoric Acid, Anhydrous | 1 | - | - | - | - | - | - | - |
| Fluosilicic Acid | 1 | 2 | 1 | 2 | 2 | 1 | 4 | 4 |
| Fluosulfonic Acid | 1 | - | - | - | - | - | - | - |
| FOMBLIN | 1 | 1 | - | 1 | - | - | - | - |
| Formaldehyde | 2 | 2 | 4 | 1 | 2 | 3 | 2 | 4 |
| Formamide | 1 | 3 | 2 | 3 | 1 | 3 | - | - |
| Formic Acid (88%) | 2 | 4 | 3 | 4 | 1 | 2 | 2 | 3 |
| Fuel Oil | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Fumaric Acid | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| Furaldehyde | 2 | 4 | 4 | 4 | 2 | 4 | - | - |
| Furan | 1 | 4 | 4 | 4 | 4 | 4 | - | - |
| Furfural | 1 | 4 | 4 | 4 | 2 | 4 | 4 | - |
| Furfuraldehyde | 2 | 4 | 4 | 4 | 2 | 4 | 4 | - |
| Furfuryl Alcohol | 1 | 1 | 2 | 1 | 2 | 4 | 4 | 4 |
| Furoic Acid | 1 | - | - | - | - | - | - | - |
| Furyl Carbinol | 1 | 4 | 2 | 4 | 2 | 4 | 4 | 4 |
| FYRQUEL 90,1OO,150,220,300,500,550 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 3 |
| FYRQUEL A60 | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 3 |
| GALDEN | 4 | 2 | 2 | 1 | - | - | - | - |
| Gallic Acid | 1 | 1 | 1 | 1 | 2 | 2 | - | 1 |
| Gasoline | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 1 |
| Germanium Tetrahydride | 1 | - | - | - | - | - | - | - |
| Glauber's Salt | 1 | 1 | 1 | 1 | 2 | 4 | - | 1 |
| Gluconic Acid | 1 | - | - | - | - | - | - | - |
| Glucose | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Glutamic Acid | 1 | - | - | - | - | - | - | - |
| Glycerol | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Glycerophosphoric Acid | 1 | - | - | - | - | - | - | - |
| Glycidol | 1 | - | - | - | - | - | - | - |
| Glycols | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Green Sulfate Liquor | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 2 |
| GULF ENDURANCE OILS | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| HALOTHANE (Bromochlorotrifluoroethane) | 2 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| HALOWAX OIL | 2 | 1 | 1 | 1 | 4 | 4 | 4 | 1 |
| Heavy Water | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
| HEF-2 (Trialkyl Pentaborane) | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Helium | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Heptachlor | 1 | - | - | - | - | - | - | - |
| Heptanal | 1 | - | - | - | - | - | - | - |
| Heptanoic Acid | 1 | - | - | - | - | - | - | - |
| Hexachloroacetone | 1 | 4 | 4 | 4 | 1 | 4 | - | - |
| Hexachlorobutadiene | 1 | - | - | - | - | - | - | - |
| Hexachloroethane | 1 | - | - | - | - | - | - | - |
| Hexaethyl Tetraphosphate (HETP) | 1 | - | - | - | - | - | - | - |
| Hexafluoroethane (FC 116) | 2 | 2 | - | 2 | 1 | 1 | - | - |
| Hexamethyldisilizane (HMDS) | 1 | - | - | - | - | - | - | - |
| Hexamethylenediamine | 2 | - | - | - | - | - | - | - |
| Hexamethylenetetramine | 2 | - | - | - | - | - | - | - |
| Hexyl Acetate | 1 | - | - | - | - | - | - | - |
| Hexyl Alcohol | 1 | 1 | - | 1 | 3 | 1 | 2 | 2 |
| Hexylene Glycol | 1 | - | - | - | - | - | - | - |
| Hexylresorcinol | 1 | - | - | - | - | - | - | - |
| High Viscosity Lubricant H2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| High Viscosity Lubricant U4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Hydraulic Oils (Petroleum, Aircraft) | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| Hydraulic Oils (Synthetic Base) | 1 | - | - | - | - | - | - | - |
| Hydrazine | 2 | 4 | 1 | 4 | 1 | 2 | 3 | 4 |
| Hydrazine Dihydrochloride | 1 | - | - | - | - | - | - | - |
| Hydrazine Hydrate | 1 | - | - | - | - | - | - | - |
| Hydriodic Acid | 1 | - | - | - | - | - | - | - |
| Hydrobromic Acid | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 3 |
| Hydrochloric Acid (37%) (Hot) | 1 | 1 | 1 | 1 | 3 | 4 | 3 | 2 |
| Hydrochloric Acid, Conc. | 1 | 1 | - | 1 | 2 | 2 | 4 | 3 |
| Hydrocyanic Acid | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 2 |
| Hydrofluoric Acid (49%) | 1 | 1 | - | 1 | 4 | 4 | 4 | 4 |
| Hydrofluoric Acid, Anhydrous | 1 | 1 | - | 1 | 3 | 4 | 4 | 4 |
| Hydrofluoric Acid, Conc. (Hot) | 1 | 3 | - | 3 | 4 | 4 | 4 | 4 |
| Hydrofluosilicic Acid | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 4 |
| Hydrogen | 1 | 1 | - | 1 | 1 | 1 | 3 | 3 |
| Hydrogen Bromide, Anhydrous | 1 | - | - | - | - | - | - | - |
| Hydrogen Chloride, Anhydrous | 1 | 1 | 1 | 1 | 1 | 4 | - | - |
| Hydrogen Fluoride, Anhydrous | 2 | 4 | - | 4 | 2 | - | 4 | - |
| Hydrogen Iodide, Anhydrous | 1 | - | - | - | - | - | - | - |
| Hydrogen Peroxide (36%) | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Hydrogen Selenide | 1 | - | - | - | - | - | - | - |
| Hydrogen Sulfide | 1 | 4 | 1 | 4 | 1 | 1 | 3 | 3 |
| HYDROLUBE | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
| Hydroquinone | 2 | 3 | 3 | 2 | 4 | 3 | 2 | 2 |
| Hydroxyacetic Acid | 1 | - | - | - | - | - | - | - |
| Hydroxycitronellal | 1 | - | - | - | - | - | - | - |
| Hydroxyethylenediamine | 1 | - | - | - | - | - | - | - |
| Hydyne | 2 | 4 | - | 4 | 1 | 2 | 4 | 4 |
| HYJET | 1 | 4 | 2 | 4 | 1 | 4 | 4 | 4 |
| Hypochlorous Acid | 1 | 1 | - | 1 | 2 | 4 | - | - |
| Indole | 1 | - | - | - | - | - | - | - |
| INDUSTRON | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Iodic Acid | 1 | - | - | - | - | - | - | - |
| Iodine | 1 | 1 | 1 | 1 | 2 | 2 | - | 1 |
| Iodine pentafluoride | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Iodoform | 1 | - | - | - | - | - | - | - |
| Isoamyl Acetate | 1 | - | - | - | - | - | - | - |
| Isoamyl Butyrate | 1 | - | - | - | - | - | - | - |
| Isoamyl Valerate | 1 | - | - | - | - | - | - | - |
| Isobutane | 1 | - | - | - | - | - | - | - |
| Isobutene | 1 | - | - | - | - | - | - | - |
| Isobutyl Acetate | 1 | - | - | - | - | - | - | - |
| Isobutyl Acrylate | 1 | - | - | - | - | - | - | - |
| Isobutyl Alcohol | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 2 |
| Isobutyl Chloride | 1 | 1 | 4 | 1 | 4 | 4 | - | - |
| Isobutyl Ether | 1 | 4 | 4 | 4 | 4 | 2 | - | - |
| Isobutyl n-Butyrate | 1 | 1 | 1 | 1 | 1 | 4 | - | 1 |
| Isobutyraldehyde | 2 | 4 | 4 | 4 | 2 | 3 | - | - |
| Isobutyric Acid | 1 | 4 | 3 | 4 | 2 | 2 | - | - |
| Isodecanol | 1 | - | - | - | - | - | - | - |
| Isododecane | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Isoeugenol | 1 | - | - | - | - | - | - | - |
| Isooctane | 1 | 1 | - | 1 | 4 | 1 | 4 | 1 |
| Isopentane | 1 | - | - | - | - | - | - | - |
| Isophorone | 1 | 4 | 2 | 4 | 1 | 4 | 4 | 4 |
| Isopropyl Acetate | 1 | 4 | 4 | 4 | 2 | 4 | 4 | 4 |
| Isopropyl Alcohol (IPA) | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 2 |
| Isopropyl Chloride | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 2 |
| Isopropyl Ether | 1 | 4 | 4 | 4 | 4 | 2 | 4 | 3 |
| Isopropylamine | 1 | - | - | - | - | - | - | - |
| Isovaleric Acid | 1 | - | - | - | - | - | - | - |
| JIS Lube Oil #1 | 1 | - | - | - | - | - | - | - |
| JP-10 | 1 | 1 | - | 1 | 4 | 3 | 4 | 1 |
| JP-3 (MIL-J-5624) | 1 | 1 | 2 | 1 | 4 | 1 | - | - |
| JP-4 (MIL-J-5624) | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 2 |
| JP-5 (MIL-J-5624) | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 2 |
| JP-6 (MIL-J-25656) | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 2 |
| JP-8 (MIL -T-83133) | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 2 |
| JP-9 (MIL-F-81912) | 1 | 1 | - | 1 | 4 | 3 | 4 | 2 |
| JPX (MIL-F-25604) | 1 | 4 | 2 | 4 | 4 | 1 | - | - |
| KEL-F Liquids | 3 | 2 | 3 | 2 | 1 | 1 | 1 | 2 |
| Kerosene | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 1 |
| Lacquer Solvents | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Lacquers | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Lactams (Amino Acids) | 1 | 4 | 3 | 4 | 2 | 4 | - | 4 |
| Lactic Acid (Cold) | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 |
| Lactic Acid (Hot) | 1 | 1 | - | 1 | 4 | 4 | 2 | 2 |
| Lard (Animal Fats) | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| Lauric Acid | 1 | - | - | - | - | - | - | - |
| Lavender Oil | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Lead Acetate | 1 | 4 | 4 | 4 | 1 | 2 | 4 | 4 |
| Lead Arsenate | 1 | - | - | - | - | - | - | - |
| Lead Azide | 1 | - | - | - | - | - | - | - |
| Lead Bromide | 1 | - | - | - | - | - | - | - |
| Lead Carbonate | 1 | - | - | - | - | - | - | - |
| Lead Chloride | 1 | - | - | - | - | - | - | - |
| Lead Chromate | 1 | - | - | - | - | - | - | - |
| Lead Dioxide | 1 | - | - | - | - | - | - | - |
| Lead Linoleate | 1 | - | - | - | - | - | - | - |
| Lead Naphthenate | 1 | - | - | - | - | - | - | - |
| Lead Nitrate | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 1 |
| Lead Oxide, Red | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Ligroin | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 1 |
| Lime Bleach | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Lime-Sulfur Solution | 1 | 1 | - | 1 | 1 | 4 | 1 | 1 |
| LINDOL Hydraulic Fluid | 1 | 2 | 1 | 2 | 1 | 4 | 3 | 3 |
| Linoleic Acid | 1 | 2 | 1 | 2 | 4 | 2 | 2 | - |
| Linseed Oil | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 1 |
| Liquid Oxygen | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Liquified Petroleum Gas (LPG) | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 3 |
| Liquor | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Lithium Bromide, Brine | 1 | - | - | - | - | - | - | - |
| Lithium Carbonate | 1 | - | - | - | - | - | - | - |
| Lithium Chloride | 1 | - | - | - | - | - | - | - |
| Lithium Citrate | 1 | - | - | - | - | - | - | - |
| Lithium Hydroxide | 1 | 3 | 1 | 3 | 1 | 2 | - | - |
| Lithium Hypochlorite | 1 | - | - | - | - | - | - | - |
| Lithium Nitrate | 1 | - | - | - | - | - | - | - |
| Lithopone | 1 | - | - | - | - | - | - | - |
| Lubricating Oils, Diester | 1 | 1 | 2 | 1 | 4 | 2 | 4 | 2 |
| Lubricating Oils, Petroleum | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Lye | 1 | 2 | 1 | 2 | 1 | 2 | 2 | 2 |
| m-Chloroaniline | 1 | 3 | 2 | 3 | 2 | 4 | - | - |
| m-Chlorobenzotrifluoride | 1 | 1 | - | 1 | 4 | 4 | 4 | 2 |
| Magnesium Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Magnesium Hydroxide | 1 | 2 | 1 | 2 | 1 | 2 | - | - |
| Magnesium Salts | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Magnesium Sulfate | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 |
| Magnesium Sulfite | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 |
| MALATHION | 1 | 1 | - | 1 | 4 | 2 | 4 | 2 |
| Maleic Acid | 1 | 1 | 1 | 1 | 4 | 4 | - | - |
| Maleic Anhydride | 1 | 1 | 1 | 1 | 4 | 4 | - | - |
| Maleic Hydrazide | 1 | - | - | - | - | - | - | - |
| Malic Acid | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| Mandelic Acid | 1 | - | - | - | - | - | - | - |
| Manganese Acetate | 1 | - | - | - | - | - | - | - |
| Manganese Carbonate | 1 | - | - | - | - | - | - | - |
| Manganese Dioxide | 1 | - | - | - | - | - | - | - |
| Manganese Gluconate | 1 | - | - | - | - | - | - | - |
| Manganese Hypophosphite | 1 | - | - | - | - | - | - | - |
| Manganese Linoleate | 1 | - | - | - | - | - | - | - |
| Manganous Chloride | 1 | - | - | - | - | - | - | - |
| Manganous Phosphate | 1 | - | - | - | - | - | - | - |
| Manganous Sulfate, Aqueous | 1 | - | - | - | - | - | - | - |
| Mannitol | 1 | - | - | - | - | - | - | - |
| MEA (Ethanolamine) | 1 | 4 | - | 4 | 2 | 4 | 2 | 4 |
| Mercaptobenzothiazole (MBT) | 1 | 1 | 1 | 1 | 1 | 3 | - | - |
| Mercuric Acetate | 1 | - | - | - | - | - | - | - |
| Mercuric Chloride | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Mercuric Cyanide | 1 | - | - | - | - | - | - | - |
| Mercuric Iodide | 1 | - | - | - | - | - | - | - |
| Mercuric Nitrate | 1 | - | - | - | - | - | - | - |
| Mercuric Sulfate | 1 | - | - | - | - | - | - | - |
| Mercurous Nitrate, Hydrated | 1 | - | - | - | - | - | - | - |
| Mercury | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Mercury Fulminate | 1 | - | - | - | - | - | - | - |
| Mercury Vapor | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Mesityl Oxide | 1 | 4 | 4 | 4 | 2 | 4 | 4 | 4 |
| Metaldehyde | 1 | - | - | - | - | - | - | - |
| Methacrylic Acid | 1 | 3 | 2 | 3 | 2 | 4 | 4 | 4 |
| Methane | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 2 |
| Methanethiol | 1 | - | - | - | - | - | - | - |
| Methoxychlor | 1 | - | - | - | - | - | - | - |
| Methyl Abietate | 1 | - | - | - | - | - | - | - |
| Methyl Acetate | 1 | 4 | 4 | 4 | 2 | 4 | 4 | 4 |
| Methyl Acetoacetate | 1 | 4 | 4 | 4 | 2 | 4 | 2 | 4 |
| Methyl Acrylate | 1 | 4 | 4 | 4 | 2 | 4 | 4 | 4 |
| Methyl Alcohol (Methanol) | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
| Methyl Anthranilate | 1 | - | - | - | - | - | - | - |
| Methyl Benzoate | 1 | 2 | 2 | 1 | 4 | 4 | 4 | 1 |
| Methyl Bromide | 1 | 1 | 2 | 1 | 4 | 2 | - | 1 |
| Methyl Butyl Ketone | 1 | 4 | 4 | 4 | 1 | 4 | 4 | 4 |
| Methyl Carbonate | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 2 |
| Methyl CELLOSOLVE | 1 | 4 | 1 | 4 | 2 | 3 | 4 | 4 |
| Methyl Cellulose | 1 | 4 | 1 | 4 | 2 | 2 | 2 | 4 |
| Methyl Chloride | 1 | 1 | 4 | 2 | 3 | 4 | 4 | 2 |
| Methyl Chloroacetate | 1 | - | - | - | - | - | - | - |
| Methyl Chloroform | 1 | 2 | 4 | 2 | 4 | 4 | 4 | 2 |
| Methyl Chloroformate | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Methyl Chlorosilane | 1 | - | - | - | - | - | - | - |
| Methyl Cyclohexanone | 1 | - | - | - | - | - | - | - |
| Methyl Ether | 1 | 1 | 4 | 1 | 2 | 1 | 1 | 1 |
| Methyl Ethyl Ketone (MEK) | 1 | 2 | 4 | 4 | 1 | 4 | 4 | 4 |
| Methyl Ethyl Ketone Peroxide | 1 | 4 | - | 4 | 4 | 4 | 2 | 4 |
| Methyl Formate | 1 | 4 | 4 | 4 | 2 | 4 | - | - |
| Methyl Hexyl Ketone | 1 | - | - | - | - | - | - | - |
| Methyl Iodide | 1 | - | - | - | - | - | - | - |
| Methyl Isobutyl Ketone (MIBK) | 1 | 2 | 4 | 4 | 3 | 4 | 4 | 4 |
| Methyl Isocyanate | 1 | - | - | - | - | - | - | - |
| Methyl Isopropyl Ketone | 1 | 4 | - | 4 | 2 | 4 | 4 | 4 |
| Methyl Lactate | 1 | - | - | - | - | - | - | - |
| Methyl Mercaptan | 1 | - | - | - | 1 | - | - | - |
| Methyl Methacrylate | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Methyl n-Amylketone | 1 | - | - | - | - | - | - | - |
| Methyl Oleate | 1 | 1 | - | 1 | 2 | 4 | - | 2 |
| Methyl Phenylacetate | 1 | - | - | - | - | - | - | - |
| Methyl Salicylate | 1 | - | - | - | 2 | 4 | - | - |
| Methyl Tertiary Butyl Ether (MTBE) | 1 | 2 | 2 | 4 | 3 | 3 | - | - |
| Methylacetophonone | 1 | - | - | - | - | - | - | - |
| Methylal | 1 | - | - | - | - | - | - | - |
| Methylallyl Chloride | 1 | - | - | - | - | - | - | - |
| Methylamine | 1 | - | - | - | - | - | - | - |
| Methylamyl Acetate | 1 | - | - | - | - | - | - | - |
| Methylamyl Alcohol | 1 | - | - | - | - | - | - | - |
| Methylbenzyl Alcohol | 1 | - | - | - | - | - | - | - |
| Methylcyclopentane | 1 | 2 | 2 | 1 | 4 | 4 | 4 | 2 |
| Methylene Bromide | 1 | 1 | - | 1 | 4 | 2 | - | 1 |
| Methylene Chloride | 1 | 2 | - | 2 | 4 | 4 | 4 | 2 |
| Methylene Iodide | 1 | - | - | - | - | - | - | - |
| Methylpentadiene | 1 | - | - | - | - | - | - | - |
| Methylpyrrolidine | 1 | - | - | - | - | - | - | - |
| Methylsulfuric Acid | 1 | - | - | - | - | - | - | - |
| MIL-F-25558 (RJ-1) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| MIL-F-25656 (JP-6) | 1 | 1 | - | 1 | 4 | 1 | 4 | 2 |
| MIL-F-81912 (JP-9) | 1 | 1 | - | 1 | 4 | 3 | 4 | 2 |
| MIL-F-82522 (RJ-4) | 1 | 1 | - | 1 | 4 | 2 | 4 | 1 |
| MIL-H-8446 (MLO-8515) | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 1 |
| MIL-L-23699 LUBRICANTS | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| MIL-L-7808 LUBRICANTS | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| MIL-R-25576 (RP-1) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| MIL-S-3136 Type I Fuel | 1 | 1 | - | 1 | 4 | 1 | 4 | 1 |
| MIL-S-3136 Type II Fuel | 1 | 1 | - | 1 | 4 | 2 | 4 | 2 |
| MIL-S-3136 Type III Fuel | 1 | 1 | - | 1 | 4 | 2 | 4 | 2 |
| MIL-S-3136 Type IV Oil, High Swell | 1 | 1 | - | 1 | 4 | 1 | 2 | 1 |
| MIL-S-3136 Type IV Oil, Low Swell | 1 | 1 | - | 1 | 4 | 1 | 3 | 1 |
| MIL-S-3136 Type V Oil, Medium Swell | 1 | 1 | - | 1 | 4 | 1 | 2 | 1 |
| MIL-T-5624 (JP-3, JP-4, JP-5) | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 2 |
| MIL-T-83133 (JP-8) | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 2 |
| Milk | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Mineral Oil | 1 | 1 | 1 | 1 | 3 | 1 | 2 | 1 |
| Mixed Acid Etchants | 1 | 2 | 3 | 3 | 4 | 4 | 4 | 4 |
| MLO-7277, 7557 | 1 | 1 | 1 | 1 | 4 | 3 | 4 | 3 |
| MLO-8200, 8515 (MIL-H-8446) | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 1 |
| MOBIL DELVAC 1100,1110,1120,1130 | 1 | 1 | 1 | 1 | 4 | 1 | - | - |
| MOBIL HF | 1 | 1 | 2 | 1 | 4 | 1 | - | - |
| MOBIL NIVAC 20,30 | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| MOBIL THERM 600 | 1 | 1 | 1 | 1 | 4 | 1 | - | - |
| MOBILJET II Lubricant | 1 | - | - | - | - | - | - | - |
| Molybdenum Disulfide Grease | 1 | 1 | 1 | 1 | 4 | 1 | - | - |
| Monomethyl Hydrazine | 2 | 4 | 2 | 4 | 1 | 2 | 4 | - |
| Monomethylaniline | 1 | 2 | 2 | 2 | 4 | 4 | - | - |
| Monovinyl Acetylene | 1 | 1 | 3 | 1 | 1 | 1 | 2 | - |
| MOPAR BRAKE FLUID | 1 | 4 | 1 | 4 | 1 | 3 | 3 | 4 |
| Myristic Acid | 1 | - | - | - | - | - | - | - |
| N,N-Diethylaniline | 1 | - | - | - | - | - | - | - |
| n-Butyl Acetate | 1 | 3 | 4 | 4 | 2 | 4 | 4 | 4 |
| n-Butyl Acrylate | 1 | 4 | 4 | 4 | 4 | 4 | - | 4 |
| n-Butyl Alcohol | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| n-Butyl Butyrate | 1 | 1 | - | 1 | 1 | 4 | - | 1 |
| n-Butyl Chloride | 1 | - | - | - | - | - | - | - |
| n-Butyl Methracrylate | 1 | - | - | - | - | - | - | - |
| n-Decane | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| n-Dibutylamine | 1 | 4 | 2 | 4 | 4 | 4 | 3 | 4 |
| n-Dodecyl Mercaptan | 1 | - | - | - | - | - | - | - |
| n-Heptane | 1 | 1 | 3 | 1 | 4 | 1 | 4 | 3 |
| n-Hexadecane (Cetane) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 3 |
| n-Hexaldehyde | 1 | 4 | - | 4 | 1 | 4 | 2 | 4 |
| n-Hexane | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 1 |
| n-Methyl 2-Pyrrolidone (NMP) | 1 | 1 | - | 2 | 2 | - | 2 | 2 |
| n-Octadecane | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| n-Octane | 1 | 1 | - | 1 | 4 | 2 | 4 | 2 |
| n-Octyl Acetate | 1 | - | - | - | - | - | - | - |
| n-Octyl Alcohol | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| n-Octyl Chloride | 1 | - | - | - | - | - | - | - |
| n-Pentane | 1 | - | - | 1 | 4 | 1 | 4 | 3 |
| n-Propyl Acetate | 1 | 4 | 4 | 4 | 2 | 4 | 4 | 4 |
| n-Propyl Acetone | 1 | 4 | 4 | 4 | 1 | 4 | 4 | 4 |
| n-Propyl Nitrate | 1 | 1 | - | 1 | 2 | 4 | 4 | 4 |
| n-Propyl Propionate | 1 | 4 | - | 4 | 2 | 4 | 4 | 4 |
| n-Propylamine | 2 | - | - | - | - | - | - | - |
| n-Propylbenzene | 1 | - | - | - | - | - | - | - |
| n-Valeraldehyde | 1 | - | - | - | - | - | - | - |
| Naphtha | 1 | 1 | 2 | 1 | 4 | 2 | 4 | 2 |
| Naphthalene | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 1 |
| Naphthalenesulfonic Acid | 1 | - | - | - | - | - | - | - |
| Naphthenic Acid | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 1 |
| Naphthylamine | 1 | - | - | - | - | - | - | - |
| Natural Gas | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 3 |
| Neatsfoot Oil | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| Neon | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Neville-Winter Acid | 1 | 1 | 1 | 1 | 2 | 4 | 4 | 2 |
| Niacinamide | 1 | - | - | - | - | - | - | - |
| Nickel Acetate | 1 | 4 | 4 | 4 | 1 | 2 | 4 | 4 |
| Nickel Ammonium Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Nickel Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Nickel Cyanide | 1 | - | - | - | - | - | - | - |
| Nickel Nitrate | 1 | - | - | - | - | - | - | - |
| Nickel Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Nicotine | 1 | - | - | - | - | - | - | - |
| Nitric Acid (0-50%) | 1 | 1 | 2 | 1 | 3 | 4 | 2 | 2 |
| Nitric Acid (70%) | 1 | 2 | 3 | 2 | 4 | 4 | 4 | 4 |
| Nitric Acid, Red Fuming | 1 | 2 | 3 | 2 | 4 | 4 | 4 | 4 |
| Nitrobenzene | 1 | 2 | 1 | 2 | 4 | 4 | 4 | 4 |
| Nitrocellulose | 1 | - | - | - | - | - | - | - |
| Nitroethane | 1 | 4 | - | 4 | 2 | 4 | 4 | 4 |
| Nitrogen | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 |
| Nitrogen Dioxide | 1 | - | - | 4 | - | - | - | - |
| Nitrogen Oxides | 1 | - | - | - | - | - | - | - |
| Nitrogen Tetroxide | 2 | 4 | 3 | 4 | 4 | 4 | 4 | 4 |
| Nitrogen Trifluoride | 1 | - | - | - | - | - | - | - |
| Nitroglycerin | 1 | - | - | - | - | - | - | - |
| Nitromethane | 1 | 4 | 3 | 4 | 2 | 4 | 4 | 4 |
| Nitrosyl Chloride | 1 | - | - | - | - | - | - | - |
| Nitrosylsulphuric Acid | 1 | - | - | - | - | - | - | - |
| Nitrous Acid | 1 | - | - | - | - | - | - | - |
| Nitrous Oxide | 1 | 1 | - | 1 | 1 | 1 | 1 | - |
| NMP (n-Methyl 2-Pyrrolidone) | 1 | 1 | - | 2 | 2 | - | 2 | 2 |
| Nonane | 1 | - | - | - | - | - | - | - |
| o-Chlorophenol | 1 | 1 | - | 1 | 4 | 4 | 4 | 2 |
| o-Dichlorobenzene | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 2 |
| o-Nitrotoluene | 1 | - | - | - | - | - | - | - |
| o-sec-Amylphenol | 1 | - | - | - | - | - | - | - |
| Octachloro Toluene | 1 | 1 | - | 1 | 4 | 4 | 4 | 2 |
| Octafluorocyclobutane | 2 | 2 | - | 2 | 1 | - | - | - |
| Octafluoropropane | 2 | - | - | - | - | - | - | - |
| Octanal | 1 | - | - | - | - | - | - | - |
| Olefins | 1 | - | - | - | - | - | - | - |
| Oleic Acid | 1 | 2 | 1 | 2 | 4 | 3 | 4 | - |
| Oleum (Fuming Sulfuric Acid) | 1 | 1 | 1 | 1 | 4 | 3 | 4 | 2 |
| Oleyl Alcohol | 1 | - | - | - | - | - | - | - |
| Olive Oil | 1 | 1 | 1 | 1 | 2 | 1 | 3 | 1 |
| Orthochloro Ethyl Benzene | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 2 |
| Oxalic Acid | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 |
| Oxygen, Gas (Hot) | 1 | 3 | 4 | 3 | 4 | 4 | 2 | 1 |
| Oxygen, Liquid | 2 | 4 | 4 | 4 | 4 | 4 | - | - |
| Ozonated Deionized Water | 1 | 2 | - | 1 | 2 | - | - | - |
| Ozone | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 |
| p-Aminoazobenzene | 1 | - | - | - | - | - | - | - |
| p-Aminobenzoic Acid (PABA) | 1 | 2 | 1 | 2 | 2 | 4 | - | - |
| p-Aminophenol | 1 | - | - | - | - | - | - | - |
| p-Benzylphenol | 1 | - | - | - | - | - | - | - |
| p-Chlorophenol | 1 | - | - | - | - | - | - | - |
| p-Chlorotoluene | 1 | 1 | - | 1 | 4 | 4 | 4 | 2 |
| p-Cymene | 1 | 1 | - | 1 | 4 | 4 | 4 | 2 |
| p-Dichlorobenzene | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 2 |
| p-Nitroaniline | 1 | - | - | - | - | - | - | - |
| p-Nitrobenzoic Acid | 1 | - | - | - | - | - | - | - |
| p-Nitrophenol | 1 | - | - | - | - | - | - | - |
| p-Nitrotoluene | 1 | - | - | - | - | - | - | - |
| p-Phenylenediamine | 1 | - | - | 4 | - | - | - | - |
| p-tert-Butylcatechol | 1 | 1 | 1 | 1 | 2 | 4 | - | 1 |
| p-tert-Butylphenol | 1 | - | - | - | - | - | - | - |
| p-Toluidine | 1 | - | - | - | - | - | - | - |
| p-Tolylaldehyde | 1 | - | - | - | - | - | - | - |
| Paint Thinner-DUCO | 1 | 2 | 3 | 2 | 4 | 4 | 4 | 2 |
| Palmitic Acid (Hexadecanoic Acid) | 1 | 1 | 1 | 1 | 2 | 1 | 4 | 1 |
| Par-al-Ketone | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Paraffins | 1 | - | - | - | - | - | - | - |
| Paraldehyde | 1 | - | - | - | - | - | - | - |
| Parathion | 1 | - | - | - | - | - | - | - |
| Peanut Oil | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 1 |
| Pelargonic Acid | 1 | - | - | - | - | - | - | - |
| Penicillin | 1 | - | - | - | - | - | - | - |
| Pentachloroethane | 1 | - | - | - | - | - | - | - |
| Pentachlorophenol | 1 | - | - | - | - | - | - | - |
| Pentaerythritol | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Pentaerythritol Tetranitrate (PETN) | 1 | - | - | - | - | - | - | - |
| Pentafluoroethane (FC 125) | 2 | - | - | - | - | - | - | - |
| Peracetic Acid | 1 | - | - | - | - | - | - | - |
| Perchloric Acid | 1 | 1 | 1 | 1 | 2 | 4 | 4 | 1 |
| Perchloroethylene | 1 | 1 | 4 | 1 | 4 | 2 | 4 | 2 |
| Petrolatum | 1 | - | - | 1 | 4 | 1 | 4 | 1 |
| Petroleum < 121 C/250 F | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 2 |
| Petroleum > 121 C/250 F | 1 | 2 | 2 | 2 | 4 | 4 | 4 | 4 |
| Petroleum, Crude | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Phenethyl Alcohol | 1 | - | - | - | - | - | - | - |
| Phenetole | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Phenol | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Phenolsulfonic Acid | 1 | 1 | - | 1 | - | - | - | - |
| Phenyl Acetate | 1 | - | - | - | - | - | - | - |
| Phenyl Ethyl Ether | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Phenylacetamide | 1 | - | - | - | - | - | - | - |
| Phenylbenzene | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 2 |
| Phenylhydrazine | 1 | 1 | 1 | 1 | 4 | 4 | 4 | - |
| Phenylmercuric Acetate | 1 | - | - | - | - | - | - | - |
| Phorone | 1 | 4 | 4 | 4 | 1 | 4 | 4 | 4 |
| Phosgene | 1 | - | - | - | - | - | - | - |
| Phosphine | 1 | - | - | - | - | - | - | - |
| Phosphoric Acid (20%) | 1 | 1 | 1 | 1 | 1 | 4 | 3 | 2 |
| Phosphoric Acid (80%) | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 3 |
| Phosphoric Etchants | 1 | - | - | - | - | - | - | - |
| Phosphorous Oxychloride | 1 | - | - | - | - | - | - | - |
| Phosphorous Tribromide | 1 | - | - | - | - | - | - | - |
| Phosphorous Trichloride | 1 | 1 | 1 | 1 | 1 | 4 | - | 1 |
| Phosphorus, Molten | 1 | - | - | - | - | - | - | - |
| Phthalic Acid | 1 | - | - | - | - | - | - | - |
| Phthalic Anhydride | 1 | 4 | 3 | 4 | 2 | 3 | - | - |
| Pickling Solution | 1 | 2 | 2 | 2 | 3 | 4 | 4 | 4 |
| Picric Acid | 1 | 1 | - | 1 | 2 | 2 | 4 | 2 |
| Pine Oil | 1 | 1 | - | 1 | 4 | 1 | 4 | 1 |
| Pine Tar | 1 | - | - | - | - | - | - | - |
| Pinene | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 1 |
| Piperazine | 1 | - | - | - | - | - | - | - |
| Piperidine | 1 | 4 | - | 4 | 4 | 4 | 4 | 4 |
| Piranha | 1 | - | - | - | - | - | - | - |
| Plating Solution, Chrome | 1 | 1 | 1 | 1 | 2 | 4 | 4 | 2 |
| Plating Solution, Others | 1 | 1 | 1 | 1 | 1 | 1 | 4 | - |
| Polyethylene Glycol | 1 | 3 | 1 | 3 | 1 | 2 | - | - |
| Polyglycerol | 1 | - | - | - | - | - | - | - |
| Polyvinyl Acetate Emulsion | 1 | 3 | 1 | 3 | 1 | 1 | - | - |
| Potassium Acetate | 1 | 4 | - | 4 | 1 | 2 | 4 | 4 |
| Potassium Bicarbonate | 1 | - | - | - | - | - | - | - |
| Potassium Bifluoride | 1 | - | - | - | - | - | - | - |
| Potassium Bisulfate | 1 | - | - | - | - | - | - | - |
| Potassium Bisulfite | 1 | - | - | - | - | - | - | - |
| Potassium Bitartrate | 1 | - | - | - | - | - | - | - |
| Potassium Bromide | 1 | - | - | - | - | - | - | - |
| Potassium Carbonate | 1 | - | - | - | - | - | - | - |
| Potassium Chlorate | 1 | - | - | - | - | - | - | - |
| Potassium Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Potassium Chromate | 1 | - | - | - | - | - | - | - |
| Potassium Citrate | 1 | - | - | - | - | - | - | - |
| Potassium Copper Cyanide | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Potassium Cyanate | 1 | - | - | - | - | - | - | - |
| Potassium Cyanide | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Potassium Dichromate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Potassium Ferricyanide | 1 | - | - | - | - | - | - | - |
| Potassium Fluoride | 1 | - | - | - | - | - | - | - |
| Potassium Glucocyanate | 1 | - | - | - | - | - | - | - |
| Potassium Hydroxide | 1 | 1 | 1 | 4 | 1 | 2 | 3 | 3 |
| Potassium Iodide | 1 | - | - | - | - | - | - | - |
| Potassium lodate | 1 | - | - | - | - | - | - | - |
| Potassium Nitrate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Potassium Nitrite | 1 | - | - | - | - | - | - | - |
| Potassium Oxalate | 1 | - | - | - | - | - | - | - |
| Potassium Perchlorate | 1 | - | - | - | - | - | - | - |
| Potassium Permanganate | 1 | - | - | 3 | - | - | - | - |
| Potassium Peroxide | 1 | - | - | - | - | - | - | - |
| Potassium Persulfate | 1 | - | - | - | - | - | - | - |
| Potassium Phosphate, Dibasic | 1 | - | - | - | - | - | - | - |
| Potassium Pyrosulfate | 1 | - | - | - | - | - | - | - |
| Potassium Silicate | 1 | - | - | - | - | - | - | - |
| Potassium Sodium Tartrate | 1 | - | - | - | - | - | - | - |
| Potassium Stannate | 1 | - | - | - | - | - | - | - |
| Potassium Stearate | 1 | - | - | - | - | - | - | - |
| Potassium Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Potassium Sulfide | 1 | - | - | - | - | - | - | - |
| Potassium Sulfite | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 |
| Potassium Tartrate | 1 | - | - | - | - | - | - | - |
| Potassium Thiocyanate | 1 | - | - | - | - | - | - | - |
| Potassium Thiosultate | 1 | - | - | - | - | - | - | - |
| Potassium, Molten | 4 | - | - | - | - | - | - | - |
| PRESTONE Antifreeze | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 |
| PRL-High Temp, Hydraulic Oil | 1 | 1 | 1 | 1 | 4 | 2 | 2 | 1 |
| Producer Gas | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 2 |
| Propane | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 2 |
| Propionaldehyde | 1 | - | - | - | - | - | - | - |
| Propyl Alcohol | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Propylene | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
| Propylene Chlorohydrin | 1 | - | - | - | - | - | - | - |
| Propylene Dichloride | 1 | - | - | - | - | - | - | - |
| Propylene Glycol | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Propylene Glycol Methyl Ether Acetate (PGMEA) | 1 | - | - | - | - | - | - | - |
| Propylene Imine | 1 | - | - | - | - | - | - | - |
| Propylene Oxide | 1 | 4 | 4 | 4 | 2 | 4 | 4 | 4 |
| PRS-3000 | 1 | 1 | - | 2 | 2 | - | 2 | 2 |
| PYDRAUL 115E | 2 | 1 | 1 | 1 | 1 | 4 | 4 | 3 |
| PYDRAUL 230C,312C & 540C | 2 | 1 | 1 | 1 | 4 | 4 | 4 | 4 |
| PYRANOL TRANSFORMER OIL | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Pyridine | 1 | 4 | 2 | 4 | 2 | 4 | 4 | 4 |
| Pyrogallol | 1 | - | - | - | - | - | - | - |
| PYROGARD 42,43,53 & 55 | 1 | 1 | 2 | 1 | 1 | 4 | 4 | 4 |
| PYROGARD C&D (Water & Petroleum) | 1 | 1 | 1 | 1 | 4 | 1 | 3 | 2 |
| Pyroligneous Acid | 1 | 4 | 4 | 4 | 2 | 4 | - | 4 |
| PYROLUBE | 1 | 1 | 1 | 1 | 2 | 4 | 2 | 2 |
| Pyrosulfuryl Chloride | 1 | - | - | - | - | - | - | - |
| Pyrrole | 1 | 4 | - | 4 | 4 | 4 | 2 | 4 |
| Pyruvic Acid | 1 | - | - | - | - | - | - | - |
| Quinine | 1 | - | - | - | - | - | - | - |
| Quinizarin | 1 | - | - | - | - | - | - | - |
| Quinoline | 1 | - | - | - | - | - | - | - |
| Quinone | 1 | - | - | - | - | - | - | - |
| Radiation | 2 | 4 | 1 | 4 | 1 | 3 | 2 | 4 |
| Raffinate | 1 | - | - | - | - | - | - | - |
| Rapeseed Oil | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 1 |
| RED LINE 100 OIL | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Resorcinol | 1 | 1 | 1 | 1 | 4 | 4 | - | - |
| Rhodium | 1 | - | - | - | - | - | - | - |
| Riboflavin | 1 | - | - | - | - | - | - | - |
| Ricinoleic Acid | 1 | - | - | - | - | - | - | - |
| RJ-1 (MIL-F-25558) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| RJ-4 (MIL-F-82522) | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 1 |
| Rosin | 1 | - | - | - | - | - | - | - |
| RP-1 (MIL-R-25576) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Saccharin Solution | 1 | - | - | - | - | - | - | - |
| Sal Ammoniac | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Salicylic Acid | 1 | 1 | 1 | 1 | 1 | 2 | - | 1 |
| Salt Water | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
| SANTOSAFE 300 | 1 | 1 | 1 | 1 | 3 | 4 | 1 | 1 |
| Sebacic Acid | 1 | - | - | - | - | - | - | - |
| sec-Butyl Alcohol (SBA) | 1 | - | - | - | - | - | - | - |
| Selenic Acid | 1 | - | - | - | - | - | - | - |
| Selenous Acid | 1 | - | - | - | - | - | - | - |
| Sewage | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 1 |
| SHELL TELLUS 27 (Petro Base) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| SHELL UMF (5% Aromatic) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Shellac | 1 | - | - | - | - | - | - | - |
| Silane | 1 | - | - | - | - | - | - | - |
| Silicate Esters | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 1 |
| Silicon Tetrachloride | 2 | - | - | - | - | - | - | - |
| Silicon Tetrafluoride | 2 | - | - | - | - | - | - | - |
| Silicone Oils | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 1 |
| Silver Bromide | 1 | - | - | - | - | - | - | - |
| Silver Chloride | 1 | - | - | - | - | - | - | - |
| Silver Cyanide | 1 | - | - | - | - | - | - | - |
| Silver Nitrate | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 |
| Silver Oxide | 1 | - | - | - | - | - | - | - |
| Silver Sulfate | 1 | - | - | - | - | - | - | - |
| SINCLAIR OPALINE CX-EP LUBE | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 2 |
| SKYDROL 500 | 1 | 4 | 1 | 4 | 1 | 4 | 3 | 3 |
| SKYDROL 7000 | 1 | 2 | 1 | 2 | 1 | 4 | 3 | 3 |
| Soap Solutions | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
| SOCONY PD959B VACUUM | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Soda Ash | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Abietate | 1 | - | - | - | - | - | - | - |
| Sodium Acetate | 1 | 4 | 2 | 4 | 1 | 2 | 4 | 4 |
| Sodium Aluminate | 1 | - | - | - | - | - | - | - |
| Sodium Antimonate | 1 | - | - | - | - | - | - | - |
| Sodium Arsenate | 1 | - | - | - | - | - | - | - |
| Sodium Arsenite | 1 | - | - | - | - | - | - | - |
| Sodium Benzoate | 1 | - | - | - | - | - | - | - |
| Sodium Bicarbonate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Bifluoride | 1 | - | - | - | - | - | - | - |
| Sodium Bisulfate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Bisulfite | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Bitartrate | 1 | - | - | - | - | - | - | - |
| Sodium Borate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Bromate | 1 | - | - | - | - | - | - | - |
| Sodium Bromide | 1 | - | - | - | - | - | - | - |
| Sodium Chlorate | 1 | - | - | - | - | - | - | - |
| Sodium Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Chlorite | 1 | - | - | - | - | - | - | - |
| Sodium Chloroacetate | 1 | - | - | - | - | - | - | - |
| Sodium Chromate | 1 | - | - | - | - | - | - | - |
| Sodium Citrate | 1 | - | - | - | - | - | - | - |
| Sodium Cyanate | 1 | - | - | - | - | - | - | - |
| Sodium Cyanide | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 1 |
| Sodium Diacetate | 1 | - | - | - | - | - | - | - |
| Sodium Dichromate | 1 | - | - | - | - | - | - | - |
| Sodium Ethylate | 1 | - | - | - | - | - | - | - |
| Sodium Ferricyanide | 1 | - | - | - | - | - | - | - |
| Sodium Ferrocyanide | 1 | - | - | - | - | - | - | - |
| Sodium Fluoride | 1 | - | - | - | - | - | - | - |
| Sodium Fluorosilicate | 1 | - | - | - | - | - | - | - |
| Sodium Glutamate | 1 | - | - | - | - | - | - | - |
| Sodium Hydride | 1 | - | - | - | - | - | - | - |
| Sodium Hydrosulfide | 1 | - | - | - | - | - | - | - |
| Sodium Hydroxide | 1 | 2 | 1 | 3 | 1 | 2 | 2 | 2 |
| Sodium Hypochlorite | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 |
| Sodium Hypophosphite | 1 | - | - | - | - | - | - | - |
| Sodium Iodide | 1 | - | - | - | - | - | - | - |
| Sodium Lactate | 1 | - | - | - | - | - | - | - |
| Sodium Metaphosphate | 1 | 1 | 1 | 1 | 1 | 1 | - | 1 |
| Sodium Metasilicate | 1 | - | - | - | - | - | - | - |
| Sodium Methylate | 1 | - | - | - | - | - | - | - |
| Sodium Nitrate | 1 | 1 | 1 | 1 | 1 | 2 | 4 | - |
| Sodium Oleate | 1 | - | - | - | - | - | - | - |
| Sodium Orthosilicate | 1 | - | - | - | - | - | - | - |
| Sodium Oxalate | 1 | - | - | - | - | - | - | - |
| Sodium Perborate | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 |
| Sodium Percarbonate | 1 | - | - | - | - | - | - | - |
| Sodium Perchlorate | 1 | - | - | - | - | - | - | - |
| Sodium Peroxide | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 1 |
| Sodium Persulfate | 1 | - | - | - | - | - | - | - |
| Sodium Phenate | 1 | - | - | - | - | - | - | - |
| Sodium Phosphate, Dibasic | 1 | 1 | 1 | 1 | 1 | 1 | 4 | - |
| Sodium Plumbite | 1 | - | - | - | - | - | - | - |
| Sodium Pyrophosphate | 1 | - | - | - | - | - | - | - |
| Sodium Salicylate | 1 | - | - | - | - | - | - | - |
| Sodium Salts | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Sesquisilicate | 1 | - | - | - | - | - | - | - |
| Sodium Silicate | 1 | 1 | 1 | 1 | 1 | 1 | - | - |
| Sodium Stannate | 1 | - | - | - | - | - | - | - |
| Sodium Stearate | - | - | - | - | - | - | - | - |
| Sodium Sulfate Decahydrate | 1 | 1 | 1 | 1 | 2 | 4 | - | 1 |
| Sodium Sulfate, Anhydrous | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 |
| Sodium Sulfide | 1 | - | - | - | - | - | - | - |
| Sodium Sulfite | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Tartrate | 1 | - | - | - | - | - | - | - |
| Sodium Tetrasulfide | 1 | - | - | - | - | - | - | - |
| Sodium Thiocyanate | 1 | - | - | - | - | - | - | - |
| Sodium Thiosulfate | 1 | 1 | - | 1 | 1 | 2 | 1 | 1 |
| Sodium Trichloroacetate | 1 | - | - | - | - | - | - | - |
| Sodium Tripolyphosphate | 1 | 2 | 1 | 2 | 1 | 4 | - | - |
| Sodium, Molten | 4 | - | - | - | - | - | - | - |
| SOLVASOL 1, 2 & 3 | 1 | 1 | 4 | 1 | 4 | 1 | - | - |
| Sorbitol | 1 | - | - | - | - | - | - | - |
| Sour Crude Oil | 1 | 1 | - | 1 | 4 | 3 | 4 | 4 |
| Sour Natural Gas | 1 | 1 | - | 1 | 4 | 3 | 4 | 4 |
| Soybean Oil | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 1 |
| SR6 FUEL | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 1 |
| Standard Clean 1 (SC - 1) | 1 | - | - | - | - | - | - | - |
| Standard Clean 2 (SC - 2) | 1 | - | - | - | - | - | 4 | 4 |
| Stannic Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Stannous Bromide | 1 | - | - | - | - | - | - | - |
| Stannous Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Stannous Fluoride | 1 | - | - | - | - | - | - | - |
| Stannous Sulfate | 1 | - | - | - | - | - | - | - |
| STAUFFER 7700 | 1 | 1 | 3 | 1 | 4 | 2 | 4 | 2 |
| Steam < 149 C/300 F | 1 | 2 | 2 | 2 | 1 | 4 | 3 | 4 |
| Steam > 149 C/300 F | 2 | 3 | 3 | 4 | 4 | 4 | 4 | 4 |
| Stearic Acid | 1 | 2 | 1 | 2 | 2 | 2 | 2 | - |
| Stoddard Solvent (ASTM D-484-52) | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 1 |
| Strontium Acetate | 1 | - | - | - | - | - | - | - |
| Strontium Carbonate | 1 | - | - | - | - | - | - | - |
| Strontium Chloride | 1 | - | - | - | - | - | - | - |
| Strontium Hydroxide | 1 | - | - | - | - | - | - | - |
| Strontium Nitrate | 1 | - | - | - | - | - | - | - |
| Styrene, Monomer | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 3 |
| Succinaldehyde | 1 | - | - | - | - | - | - | - |
| Succinic Acid | 1 | - | - | - | - | - | - | - |
| Sucrose Solution | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 |
| Sulfamic Acid | 1 | - | - | - | - | - | - | - |
| Sulfanilic Acid | 1 | - | - | - | - | - | - | - |
| Sulfite Liquors | 1 | 1 | - | 1 | 2 | 2 | 4 | 2 |
| Sulfolane | 1 | 2 | 1 | 2 | 1 | 2 | - | - |
| Sulfur Chloride | 1 | 1 | 1 | 1 | 4 | 4 | 3 | 1 |
| Sulfur Dioxide | 1 | 2 | 2 | 3 | 1 | 4 | 2 | 2 |
| Sulfur Hexafluoride | 2 | 3 | 3 | 3 | 1 | 2 | 2 | 2 |
| Sulfur Tetrafluoride | 2 | - | - | - | - | - | - | - |
| Sulfur Trioxide, Dry | 1 | 1 | 2 | 1 | 2 | 4 | 2 | 2 |
| Sulfur, Molten | 1 | 1 | 1 | 1 | 3 | 4 | 3 | 1 |
| Sulfuric Acid (20% Oleum) | 1 | 1 | - | 1 | 1 | 2 | 1 | 1 |
| Sulfuric Acid (96%) | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 4 |
| Sulfurous Acid | 1 | 1 | 1 | 3 | 2 | 2 | 4 | - |
| SUNOCO SAE 10 | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| SUPERSHELL Gasoline | 1 | 1 | 3 | 1 | 4 | 1 | 4 | 2 |
| SWANFINCH EP Lubricant | 1 | 1 | 2 | 1 | 4 | 1 | 4 | 1 |
| sym-Diphenylethane | 1 | - | - | - | - | - | - | - |
| Tallow | 1 | - | - | - | - | - | - | - |
| Tannic Acid | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
| Tar | 1 | 1 | 1 | 1 | 4 | 2 | 2 | 1 |
| Tartaric Acid | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
| TEOS (Tetraethylorthosilicate) | 1 | 1 | - | 1 | 1 | 1 | 4 | 1 |
| Terephthalic Acid | 1 | - | - | - | - | - | - | - |
| Terpineol | 1 | 1 | 1 | 1 | 3 | 2 | - | 1 |
| Terpinyl Acetate | 1 | - | - | - | - | - | - | - |
| tert-Amyl Methyl Ether (TAME) | 1 | - | - | - | - | - | - | - |
| tert-Butyl Alcohol | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 |
| tert-Butyl Mercaptan | 1 | 1 | 1 | 1 | 4 | 4 | 4 | - |
| Tetrabromomethane | 1 | 1 | 3 | 1 | 4 | 4 | 4 | 2 |
| Tetrabutyl Titanate | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 4 |
| Tetrachloroethane | 1 | 1 | 4 | 1 | 4 | 4 | - | 2 |
| Tetrachloroethylene | 1 | 1 | 4 | 1 | 4 | 2 | 4 | 2 |
| Tetraethyl Lead | 1 | 1 | 3 | 1 | 4 | 2 | - | 2 |
| Tetrafluoroethane (FC 134a) | 1 | - | - | - | - | - | - | - |
| Tetrafluoromethane (FC 14) | 1 | 1 | - | 1 | 1 | 1 | 4 | - |
| Tetrahydrofuran (THF) | 1 | 3 | 4 | 4 | 3 | 4 | 4 | 4 |
| TETRALIN (Tetrahydronaphthalene) | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 1 |
| Tetramethyl ammonium hydroxide (TMAH) (25%) | 1 | - | - | - | - | - | - | - |
| TEXACO 3450 GEAR OIL | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| TEXACO UNI-TEMP GREASE | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| TEXAMATIC 3525 Fluid | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 2 |
| THERMINOL 55 | 1 | - | - | 1 | 4 | 2 | 4 | - |
| Thioglycolic Acid | 1 | - | - | - | - | - | - | - |
| THIOKOL TP-90B | 1 | 1 | 1 | 1 | 1 | 4 | - | 2 |
| THIOKOL TP-95 | 1 | 1 | 1 | 1 | 1 | 4 | - | 2 |
| Thionyl Chloride | 1 | 2 | - | 2 | 3 | 4 | - | - |
| Thiophene | 1 | - | - | - | - | - | - | - |
| Thiophosphoryl Chloride | 1 | - | - | - | - | - | - | - |
| Thiourea | 1 | - | - | - | - | - | - | - |
| Thorium Nitrate | 1 | - | - | - | - | - | - | - |
| Tidewater Oil, BEEDOL | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| Titanic Acid | 1 | - | - | - | - | - | - | - |
| Titanium Dioxide | 1 | - | - | - | - | - | - | - |
| Titanium Sulfate | 1 | - | - | - | - | - | - | - |
| Titanium Tetrachloride | 2 | 1 | 2 | 1 | 4 | 2 | 4 | 2 |
| TMA (Trimethylamine) | 2 | - | - | - | - | - | - | - |
| TMAH (Tetramethyl Ammonium Hydroxide) | 1 | - | - | - | - | - | - | - |
| TMAl (Trimethylaluminum) | 1 | - | - | - | - | - | - | - |
| TMB (Trimethyl Borate) | 1 | - | - | - | - | - | - | - |
| TMCTS (Tetramethylcyclotetrasiloxane) | 1 | - | - | - | - | - | - | - |
| TMP (Trimethyl Phosphite) | 1 | - | - | - | - | - | - | - |
| TMPO (Trimethyl Phosphate) | 1 | - | - | - | - | - | - | - |
| Toluene | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 2 |
| Toluene Diisocyanate (TDI) | 1 | 1 | 4 | 3 | 2 | 4 | 4 | 4 |
| Toluenesulfonyl p-Chloride | 1 | - | - | - | - | - | - | - |
| Toluquinone | 1 | - | - | - | - | - | - | - |
| Transformer Oil | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| Transmission Fluid Type A | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 1 |
| Triacetin | 1 | 4 | 4 | 4 | 1 | 2 | - | 4 |
| Triallyl Phosphate | 1 | 1 | 1 | 1 | 1 | 4 | 3 | 2 |
| Tributoxyethyl Phosphate | 1 | 1 | 1 | 1 | 1 | 4 | - | 2 |
| Tributyl Citrate | 1 | - | - | - | - | - | - | - |
| Tributyl Mercaptan | 1 | 1 | - | 1 | 4 | 4 | 4 | 3 |
| Tributyl Phosphate | 1 | 4 | 2 | 4 | 1 | 4 | 4 | 4 |
| Tributylamine | 1 | - | - | - | - | - | - | - |
| Trichloroacetic Acid (TCA) | 1 | 3 | 3 | 3 | 2 | 2 | - | 4 |
| Trichloroacetyl Chloride | 1 | - | - | - | - | - | - | - |
| Trichloroethylene (TCE) | 1 | 1 | 4 | 1 | 4 | 3 | 4 | 2 |
| Trichlorofluoromethane (FC 11) | 2 | 2 | 4 | 2 | 4 | 2 | 4 | 2 |
| Trichlorophenylsilane | 1 | - | - | - | - | - | - | - |
| Trichlorosilane | 1 | - | - | - | - | - | - | - |
| Trichlorotrifluoroethane (FC 113) | 2 | 2 | 4 | 2 | 4 | 2 | 4 | 4 |
| Tricresyl Phosphate | 1 | 1 | 1 | 1 | 1 | 4 | 3 | 2 |
| Triethanolamine (TEA) | 2 | 4 | 1 | 4 | 2 | 3 | - | 4 |
| Triethyl Borate | 1 | - | - | - | - | - | - | - |
| Triethyl Phosphate | 1 | - | - | - | - | - | - | - |
| Triethylaluminum | 1 | 2 | - | 3 | 3 | 4 | - | - |
| Triethylamine | 1 | - | - | - | - | - | - | - |
| Triethylborane | 1 | 1 | - | 1 | 3 | 4 | - | - |
| Triethylene Glycol (TEG) | 1 | - | - | - | - | - | - | - |
| Triethylenetetramine (TETA) | 1 | - | - | - | - | - | - | - |
| Trifluoroacetic Acid | 2 | - | - | - | - | - | - | - |
| Trifluoroethane (FC 143a) | 1 | 1 | 2 | 1 | 4 | 4 | 4 | 2 |
| Trimethyl Borate (TMB) | 1 | - | - | - | - | - | - | - |
| Trimethyl Phosphate (TMPO) | 1 | - | - | - | - | - | - | - |
| Trimethyl Phosphite (TMP) | 1 | - | - | - | - | - | - | - |
| Trimethylaluminum (TMAl) | 1 | - | - | - | - | - | - | - |
| Trimethylamine (TMA) | 2 | - | - | - | - | - | - | - |
| Trimethylolpropane | 1 | - | - | - | - | - | - | - |
| Trinitrotoluene (TNT) | 1 | 2 | 2 | 2 | 4 | 4 | - | 2 |
| Trioctyl Phosphate | 1 | 2 | 1 | 2 | 2 | 4 | 3 | 2 |
| Tritium | 1 | - | - | - | - | - | - | - |
| Tung Oil (China Wood Oil) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 2 |
| Tungsten Hexafluoride | 1 | - | - | - | - | - | - | - |
| Tungstic Acid | 1 | - | - | - | - | - | - | - |
| Turbine Oil No.15 (MIL L-7808A) | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 2 |
| Turpentine | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 2 |
| UCON HYDROLUBE J-4 | 1 | 2 | 1 | 3 | 1 | 2 | 1 | 2 |
| UCON OIL LB-385, 400X | 1 | 2 | 1 | 3 | 1 | 1 | 1 | 1 |
| UDMH (Unsymmetrical Dimethyl Hydrazine) | 2 | 4 | 3 | 4 | 1 | 2 | 4 | 4 |
| UNIVIS 40 Hydraulic Fluid | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| UNIVOLT NO.35 (Mineral Oil) | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| UPDI (Ultra Pure Deionized Water) | 1 | 2 | 2 | 1 | 2 | - | - | - |
| Uranium Hexafluoride | 2 | - | - | - | - | - | - | - |
| Urea | 1 | - | - | - | - | - | - | - |
| Uric Acid | 1 | - | - | - | - | - | - | - |
| Valeric Acid | 1 | - | - | - | - | - | - | - |
| Vanadium Pentoxide | 1 | - | - | - | - | - | - | - |
| Varnish | 1 | 1 | 2 | 1 | 4 | 2 | 4 | 2 |
| Vegetable Oils | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 1 |
| VERSILUBE F44,F50 & F55 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 1 |
| Vinegar | 1 | 1 | - | 2 | 1 | 2 | 3 | 3 |
| Vinyl Acetate | 1 | 4 | 4 | 4 | 2 | 4 | - | - |
| Vinyl Alcohol (Ethanol) | - | - | - | - | - | - | - | - |
| Vinyl Chloride (VC) | 1 | 1 | - | 1 | 4 | 4 | - | - |
| Vinyl Fluoride | 1 | 1 | - | 2 | - | - | - | - |
| Vinylidene Chloride | 1 | - | - | - | - | - | - | - |
| Vinylpyridine | 1 | - | - | - | - | - | - | - |
| VV-H-910 | 1 | 1 | 1 | 1 | 1 | 3 | 2 | 2 |
| WAGNER 21B Brake Fluid | 1 | 4 | 1 | 4 | 1 | 3 | 3 | 4 |
| Water | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| WEMCO C | 1 | 1 | 1 | 1 | 4 | 1 | 4 | 1 |
| Whiskey & Wines | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| White Pine Oil | 1 | 1 | 1 | 1 | 4 | 2 | 4 | 1 |
| Wolmar Salts | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Xenon | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Xylene | 1 | 1 | 4 | 2 | 4 | 4 | 4 | 1 |
| Xylidine | 1 | 3 | 2 | 4 | 4 | 3 | 4 | 4 |
| Xylol | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 1 |
| Zeolites | 1 | 1 | 1 | 1 | 1 | 1 | - | 1 |
| Zinc Acetate | 1 | 4 | 3 | 4 | 1 | 2 | 4 | 4 |
| Zinc Ammonium Chloride | 1 | - | - | - | - | - | - | - |
| Zinc Chloride | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 |
| Zinc Chromate | 1 | - | - | - | - | - | - | - |
| Zinc Cyanide | 1 | - | - | - | - | - | - | - |
| Zinc Diethyldithiocarbamate | 1 | - | - | - | - | - | - | - |
| Zinc Fluorosilicate | 1 | - | - | - | - | - | - | - |
| Zinc Hydrosulfite | 1 | - | - | - | - | - | - | - |
| Zinc Naphthenate | 1 | - | - | - | - | - | - | - |
| Zinc Nitrate | 1 | - | - | - | - | - | - | - |
| Zinc Oxide | 1 | - | - | - | - | - | - | - |
| Zinc Phenolsulfonate | 1 | - | - | - | - | - | - | - |
| Zinc Phosphate | 1 | - | - | - | - | - | - | - |
| Zinc Salts | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Zinc Stearate | 1 | - | - | - | - | - | - | - |
| Zinc Sulfate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Zinc Sulfide | 1 | - | - | - | - | - | - | - |
| Zirconium Nitrate | 1 | - | - | - | - | - | - | - |