Chemical Compatibility
Chemical compatibilities of the most widely used liquids
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 | 302 
 | 304 
 | 316 | 440 | Alum | Titanium | Hastelloy 
 | Bronze 
 | Brass 
 | Cast Iron | Carbon Steel | PVDF 
 | PVC 
 | Tygon 
 | ETFE 
 | Noryl 
 | Polyacetal | Nylon | ABS | PE | PP | Ryton | Carbon | Ceramic | Ceramagnet | Viton | BUNA N | Silicon | Neoprene | EPDM | Rubber | Epoxy | 
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| Acetaldehyde5 | A | A | A | - | B | A | A | D | - | - | C | - | D | D | A | - | A | A | D | C | B | A | A | A | - | D | B | B | D | B | C | A | 
| Acetamide | - | B | A | - | - | - | - | - | - | - | C | - | - | - | - | - | B | - | - | - | - | - | - | A | - | A | A | - | A | A | D | A | 
| Acetate Solv. 2 | A | B | A | B | B | - | - | A | C | B | A | - | B | D | A | - | - | A | - | B | D | - | A | A | - | D | D | - | D | - | - | A | 
| Acetic Acid, Glacia1 | - | B | A | A | B | A | A | C | C | D | A | - | C | B | A | C | D | D | D | B | B | A | A | A | - | D | D | B | C | B | C | B | 
| Acetic Acid 20% | - | B | A | - | - | A | A | - | C | - | - | A | B | - | A | A | - | D | - | - | A | A | - | A | - | A | C | - | C | - | - | B | 
| Acetic Acid 80% | - | B | A | - | - | A | A | - | C | - | - | A | D | - | A | B | - | D | - | - | B | - | - | A | - | A | C | - | D | - | - | B | 
| Acetic Acid | - | B | A | B | B | A | A | C | C | D | C | B | A | B | A | A | D | D | C | B | A | A | A | A | - | C | C | - | C | B | C | A | 
| Acetic Anhydride | B | A | A | B | B | A | A | C | D | B | D | D | D | D | A | D | D | D | D | A | A | A | A | A | - | D | A | C | B | B | C | A | 
| Acetone6 | A | A | A | B | A | A | A | A | A | A | A | D | D | D | A | D | B | A | D | C | B | A | A | A | A | D | D | B | C | A | D | B | 
| Acetyl Chloride | - | C | A | - | - | - | - | D | - | - | - | - | - | - | A | - | - | - | - | - | - | A | - | - | - | A | - | - | - | - | A | A | 
| Acetylene2 | A | A | A | A | A | B | - | B | - | A | A | - | B | - | - | - | A | A | - | - | D | A | A | A | - | A | A | C | B | A | C | A | 
| Acrylonitrile | A | A | C | - | B | B | B | A | - | C | - | - | - | - | - | - | B | - | D | - | B | A | A | A | - | C | D | - | D | D | - | A | 
| Alcohols | 
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| Amyl | A | A | A | - | C | A | A | A | B | C | C | A | A | B | A | C | A | A | B | B | B | A | A | A | - | A | A | D | A | A | C | A | 
| Benzyl | - | A | A | - | B | A | A | A | C | - | - | - | D | B | - | A | A | A | D | D | A | - | A | A | - | A | D | - | B | B | D | A | 
| Butyl | A | A | A | - | B | B | A | B | C | C | C | A | A | B | A | A | A | A | - | B | B | A | A | A | - | A | A | D | A | A | A | A | 
| Diacetone2 | - | A | A | - | A | A | A | A | C | - | A | - | D | - | - | A | A | A | - | - | D | - | A | A | - | D | D | - | D | A | D | A | 
| Ethyl | - | A | A | A | B | A | A | A | C | A | A | - | A | C | - | A | B | A | B | B | A | - | A | A | A | A | A | B | A | B | A | A | 
| Hexyl | - | A | A | - | A | A | A | A | C | - | A | - | - | - | - | A | A | A | - | - | A | - | A | A | - | A | A | D | B | A | A | A | 
| Isobutyl | - | A | A | - | B | A | A | A | C | - | A | - | - | - | - | A | A | A | B | - | A | - | A | A | - | A | C | B | A | A | A | A | 
| Isopropyl | - | A | A | - | B | A | A | A | C | C | A | - | - | - | - | A | A | A | - | - | A | - | A | A | - | A | C | C | B | A | A | A | 
| Methyl6 | - | A | A | A | B | A | A | A | C | A | A | - | B | - | A | A | C | A | D | B | A | - | A | A | A | C | B | - | A | A | A | A | 
| Octyl | - | A | A | - | A | A | A | A | C | - | A | - | - | - | - | A | A | A | - | - | - | - | A | A | - | A | B | - | B | A | C | A | 
| Propyl | - | A | A | - | A | A | A | A | - | - | A | B | A | - | A | A | A | A | - | - | A | - | A | A | - | A | A | B | A | A | A | A | 
| Aluminum Chloride 20% | - | D | C | D | B | A | A | D | - | D | A | - | A | B | - | A | C | A | - | B | A | A | A | A | - | A | A | - | A | A | A | A | 
| Aluminum Chloride | C | D | C | - | D | C | A | C | - | D | B | A | A | A | A | A | - | D | - | - | A | A | A | A | - | A | A | C | A | - | - | A | 
| Aluminum Fluoride | - | D | C | D | - | D | B | - | - | - | A | A | A | - | A | A | C | D | - | B | A | - | A | - | - | A | A | C | A | - | C | A | 
| Aluminum Hydroxide6 | - | A | A | A | A | - | - | A | - | D | A | - | A | - | A | A | B | A | - | - | A | - | A | A | A | A | A | - | A | - | A | A | 
| Alum Potassium Sulfate (Alum), 10% | - | A | - | - | A | - | B | - | - | D | A | - | A | - | A | - | - | A | - | A | - | - | A | A | - | A | - | - | A | - | A | A | 
| Alum Potassium Sulfate (Alum), 100% | - | D | A | B | B | - | B | C | - | - | A | - | A | B | A | A | C | D | - | B | A | - | A | A | - | A | A | - | A | - | A | A | 
| Aluminum Sulfate | - | C | C | A | A | A | A | C | C | D | A | A | A | B | A | A | C | A | - | B | A | A | A | A | - | A | A | - | A | A | A | A | 
| Amines | A | A | A | - | A | B | A | B | - | A | B | - | C | A | A | B | D | A | - | - | - | - | A | A | - | D | D | C | B | B | C | A | 
| Ammonia 10% | - | - | A | - | - | A | A | - | - | - | - | D | A | - | A | A | - | A | - | - | A | A | - | A | - | A | D | - | A | - | - | B | 
| Ammonia, Anhydrous | A | B | A | A | B | B | A | D | - | D | B | D | A | B | A | A | D | A | - | B | A | B | C | A | - | D | B | B | A | A | D | A | 
| Ammonia, Liquids | - | A | A | A | D | - | B | D | - | A | A | - | A | B | A | A | D | - | - | D | A | - | A | A | - | D | B | B | A | A | D | A | 
| Ammonia, Nitrate | - | A | A | A | C | - | - | D | - | - | A | - | B | B | - | A | C | - | - | - | A | - | A | A | - | - | A | - | C | - | - | A | 
| Ammonium Bifluoride | - | C | A | - | D | - | B | - | - | - | - | - | A | - | - | A | D | - | - | - | A | - | - | A | - | A | A | - | A | - | - | A | 
| Ammonium Carbonate | B | A | A | A | C | A | B | B | - | C | B | - | A | B | A | A | D | A | - | - | A | - | A | A | - | B | D | C | A | A | - | A | 
| Ammonium Casenite | - | - | A | - | - | - | - | - | - | - | - | - | - | - | - | A | D | - | - | - | - | - | - | - | - | - | - | - | A | - | - | A | 
| Ammonium Chloride | C | A | C | A | C | D | A | D | C | D | D | A | A | B | A | A | B | A | - | B | A | A | A | A | - | A | A | C | A | A | A | A | 
| Ammonium Hydroxide | A | A | A | A | C | A | A | D | D | A | C | - | A | B | A | A | D | A | B | B | A | A | A | A | - | B | B | B | A | A | C | A | 
| Ammonium Nitrate | A | A | A | A | B | A | A | D | D | A | D | - | A | B | A | A | C | D | - | B | A | A | A | A | - | D | A | C | A | A | A | A | 
| Ammonium Oxalate | - | A | A | A | - | - | A | - | - | - | A | - | - | - | - | - | B | - | - | - | - | - | A | - | - | - | A | - | A | - | - | A | 
| Ammonium Persulfate | - | A | A | A | C | C | A | A | - | D | A | D | A | - | A | A | D | D | - | - | A | - | A | A | - | C | A | - | A | A | A | A | 
| Ammonium Phosphate, Dibasic | B | A | A | A | B | A | A | C | - | - | D | - | A | - | A | A | B | A | - | B | A | - | A | A | - | A | A | B | A | A | A | A | 
| Ammonium Phosphate, Monobasic | - | A | A | A | B | A | A | D | - | - | A | - | A | A | A | A | B | A | - | B | A | - | A | A | - | A | A | B | A | A | A | A | 
| Ammonium Phosphate, Tribasic | B | A | A | A | B | A | A | C | - | C | D | - | A | - | A | A | B | A | - | B | A | - | A | A | - | A | A | B | A | A | A | A | 
| Ammonium Sulfate | C | D | B | A | B | A | A | B | C | C | C | A | A | D | A | A | B | D | - | B | A | A | A | A | - | D | A | B | A | A | A | A | 
| Ammonium Thio-Sulfate | - | - | A | - | - | A | - | - | - | D | A | - | - | - | - | - | B | - | - | - | - | - | A | A | - | - | A | - | A | - | - | A | 
| Amyl-Acetate | B | A | A | C | B | A | A | C | - | - | C | C | D | D | A | D | A | B | - | D | D | A | A | A | - | D | D | D | D | A | D | A | 
| Amyl Alcohol | - | A | A | - | B | A | A | A | - | - | A | A | A | B | A | C | A | A | - | B | A | - | A | A | - | B | B | D | A | A | C | A | 
| Amyl Chloride | - | C | B | - | D | - | A | A | - | - | A | A | D | C | A | D | A | C | - | D | D | - | A | A | - | A | D | - | D | D | D | A | 
| Aniline | B | A | A | A | C | A | B | C | - | - | C | C | D | D | A | D | D | C | D | C | B | A | A | A | - | C | D | C | D | B | D | A | 
| Anti-Freeze | - | A | A | - | A | - | A | B | B | B | C | - | A | B | A | A | A | A | B | B | A | A | A | A | A | A | A | C | A | A | A | A | 
| Antimony Trichloride | - | D | D | - | D | C | A | - | - | - | - | - | A | A | A | - | - | D | - | A | - | - | - | A | - | A | - | - | C | - | A | A | 
| Aqua Regia (80%, HCl, 20%, HNO) | - | D | D | - | D | A | D | D | - | - | - | C | D | D | A | D | D | D | - | D | C | - | - | D | - | C | D | C | D | D | D | D | 
| Arochlor 1248 | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | D | - | - | - | - | - | - | A | - | - | A | D | - | D | B | D | A | 
| Aromatic Hydrocarbons | - | - | A | - | A | - | - | A | - | A | A | - | D | - | - | D | A | - | - | C | - | - | A | - | - | A | D | - | D | D | D | A | 
| Arsenic Acid | B | A | A | - | D | - | - | D | B | D | D | A | A | B | A | A | D | A | - | B | A | - | A | A | - | A | A | - | A | - | C | A | 
| Asphalt | - | B | A | - | C | - | - | A | - | C | - | - | A | - | - | - | A | A | - | - | A | A | - | A | A | A | B | C | B | D | D | A | 
| Barium Carbonate | B | A | A | A | B | A | A | B | - | B | B | - | A | A | A | A | A | A | - | B | A | - | A | A | A | A | A | - | A | - | A | A | 
| Barium Chloride | C | D | A | A | D | A | A | B | - | - | C | A | A | B | A | A | A | B | - | B | A | A | A | A | - | A | A | B | A | A | A | A | 
| Barium Cyanide | - | - | A | - | - | - | - | C | - | - | A | - | - | - | - | - | B | - | - | B | - | - | A | - | - | A | C | - | A | A | - | A | 
| Barium Hydroxide | B | C | A | A | D | B | B | B | - | C | C | A | A | - | A | A | D | A | - | B | A | A | A | A | A | A | A | C | A | A | A | A | 
| Barium Nitrate | - | A | A | - | - | A | - | D | - | A | A | - | B | - | - | A | A | - | - | - | - | - | A | A | - | A | A | - | A | A | - | B | 
| Barium Sulfate | B | A | A | A | D | A | A | C | - | C | C | A | A | - | A | A | A | A | - | B | A | A | A | B | - | A | A | D | A | A | - | B | 
| Beet Sugar Liquids | A | A | A | - | A | - | - | A | B | A | - | - | A | - | A | A | B | A | B | - | A | - | A | A | - | A | A | - | B | A | A | A | 
| Benzaldehyde3 | A | A | A | - | B | A | A | A | - | B | A | C | D | D | A | D | A | C | D | D | D | A | A | A | - | D | D | B | D | A | D | A | 
| Benzene2 | B | A | A | A | B | A | B | B | A | B | C | B | D | C | A | D | A | A | D | D | D | A | A | A | A | A | D | - | D | D | D | A | 
| Benzoic Acid2 | B | A | A | A | B | A | A | B | - | D | - | A | A | B | A | A | B | D | - | B | D | - | A | B | - | A | D | - | D | D | D | A | 
| Benzol | - | A | A | - | B | A | A | B | A | - | - | - | D | - | A | D | A | A | - | - | A | - | A | A | A | D | D | - | D | - | - | A | 
| Borax (Sodium Borate) | - | A | A | A | C | B | A | A | B | A | C | A | A | A | A | A | A | A | - | B | A | A | A | A | A | A | B | C | A | A | C | A | 
| Boric Acid | B | A | A | A | B | A | A | B | C | D | - | A | A | B | A | A | A | A | - | B | A | - | A | A | A | A | A | - | A | A | A | A | 
| Brewery Slop | - | - | A | - | - | - | - | A | - | A | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | A | A | - | A | - | - | A | 
| Bromine2(wet) | D | D | D | D | D | A | A | C | - | D | D | A | B | B | A | D | D | D | D | D | D | D | D | A | D | A | D | D | D | D | D | C | 
| Butadiene | A | A | A | - | A | - | - | C | A | C | C | A | A | - | A | - | A | A | - | - | - | B | A | A | - | A | A | - | B | A | - | A | 
| Butane21 | A | A | A | - | A | - | - | A | A | C | C | A | A | C | A | D | A | A | B | C | D | A | A | A | - | A | A | D | B | D | D | A | 
| Butanol | - | A | A | - | A | - | A | A | - | - | - | - | - | - | A | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
| Butter | - | B | A | - | A | - | - | D | - | D | - | - | - | B | - | B | A | - | B | - | - | - | A | A | - | A | A | - | B | A | D | A | 
| Buttermilk | A | A | A | A | A | - | - | D | - | D | - | - | - | B | A | A | A | A | B | - | - | - | A | A | - | A | A | - | A | - | D | A | 
| Butylene | A | B | A | - | A | - | - | A | A | A | A | - | B | - | A | - | A | - | - | - | - | A | A | A | - | A | B | - | - | D | D | A | 
| Butyl Acetate1 | - | - | C | - | A | - | A | A | - | - | A | C | D | D | A | D | A | - | - | C | D | A | A | A | - | D | B | D | D | B | D | A | 
| Butyric Acid1 | B | B | A | A | B | A | A | C | - | D | - | A | B | - | A | A | C | D | D | - | A | - | A | D | - | D | D | - | D | B | - | A | 
| Calcium Bisulfate | C | D | A | - | D | - | - | D | D | D | - | - | A | A | A | - | - | A | - | - | - | - | - | - | - | A | A | C | C | - | A | A | 
| Calcium Bisulfide | - | - | B | - | C | A | A | C | - | - | - | - | A | - | A | A | D | A | - | B | A | - | A | A | - | A | A | - | A | D | - | A | 
| Calcium Bisulfite | - | B | A | - | C | A | A | C | - | - | - | A | A | - | A | A | - | A | - | - | A | - | - | A | - | A | A | - | A | - | A | - | 
| Calcium Carbonate | B | A | A | A | C | A | A | C | - | D | - | - | A | A | A | A | A | A | - | B | A | - | A | A | - | A | A | - | A | - | A | A | 
| Calcium Chlorate | - | B | A | - | - | B | B | C | - | - | - | - | A | A | A | - | - | A | - | A | - | - | A | - | - | A | - | - | A | - | A | A | 
| Calcium Chloride | C | A | D | C | C | A | A | B | - | C | - | A | A | A | A | A | D | A | B | B | A | A | A | A | B | A | A | B | D | A | A | A | 
| Calcium Hydroxide | B | A | A | - | C | A | A | B | - | - | - | - | A | A | A | A | B | A | - | B | A | - | A | A | A | A | A | C | A | A | A | A | 
| Calcium Hypochlorite | D | D | C | C | C | A | B | D | - | D | - | A | D | - | A | A | D | D | - | B | A | - | A | A | - | A | B | C | D | A | C | A | 
| Calcium Sulfate | B | A | A | A | B | A | B | B | - | - | - | A | A | A | A | A | A | A | C | B | A | A | A | A | - | A | A | - | D | - | C | A | 
| Calgon | - | A | A | - | - | - | - | C | - | D | - | - | - | - | - | A | B | - | - | - | A | - | A | A | - | A | A | - | A | - | - | A | 
| Cane Juice2 | - | A | A | - | B | - | - | B | C | A | - | - | A | - | - | - | A | A | - | - | D | - | A | A | - | - | A | - | A | - | A | A | 
| Carbolic Acid (See Phenol) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
| Carbon Bisulfide2 | B | A | A | A | A | - | - | C | - | B | - | - | D | D | - | - | A | A | - | - | D | - | A | A | A | A | D | - | D | D | D | A | 
| Carbon Dioxide (wet) | - | A | A | - | C | - | A | C | C | C | - | - | - | - | A | - | - | - | - | - | - | - | A | A | - | - | - | - | - | - | - | - | 
| CarbonDisulfide2 | - | B | A | - | C | - | - | C | C | B | C | - | D | C | A | D | A | A | - | D | D | A | A | B | - | A | D | - | D | D | D | A | 
| Carbon Monoxide | - | A | A | - | A | - | - | - | - | - | - | - | A | - | - | B | A | A | - | B | A | - | A | A | - | A | A | B | B | A | C | A | 
| Carbon Tetrachloride21 | B | B | B | A | C | A | A | C | A | C | D | A | C | C | A | D | A | A | D | D | D | C | A | A | A | A | C | C | D | - | D | C | 
| Carbonated Water | B | A | A | A | A | - | - | B | - | D | - | - | A | - | - | A | A | A | - | - | A | - | A | A | - | A | A | - | A | A | - | A | 
| Carbonic Acid | B | A | B | A | A | - | A | B | - | D | - | A | A | - | A | A | A | A | - | B | A | - | A | A | - | A | B | B | A | A | A | A | 
| Catsup | - | A | A | A | D | - | - | C | - | D | - | - | A | - | - | A | B | A | B | - | A | - | A | A | - | A | A | - | C | - | - | A | 
| Chloracetic Acid2 | D | D | D | D | C | A | A | D | - | D | - | D | A | D | A | - | D | D | - | D | D | - | A | A | - | D | D | - | D | B | D | B | 
| Chloric Acid | - | D | D | - | - | - | - | - | - | - | - | - | D | - | A | - | - | - | - | - | - | - | - | - | - | - | D | - | D | - | - | D | 
| Chlorinated Glue | - | A | A | - | D | - | - | C | - | D | - | - | - | - | - | C | - | C | D | - | - | - | - | A | - | A | C | - | D | B | D | A | 
| Chlorine, Anhydrous Liquid | - | D | D | D | D | D | A | D | - | C | - | - | D | B | A | A | D | D | - | D | D | C | A | D | - | A | D | - | D | B | D | B | 
| Chlorine (dry) | B | A | A | - | D | D | A | A | B | A | - | - | - | - | A | - | - | - | - | - | - | C | A | A | - | D | - | - | D | - | D | D | 
| Chlorine Water | D | - | D | - | D | A | B | D | D | D | - | A | A | - | A | C | - | D | - | - | D | C | C | A | - | A | D | C | D | - | - | - | 
| Chlorobenzene (Mono) | A | A | A | - | B | - | A | B | - | B | C | A | D | D | A | D | A | A | D | D | D | A | A | A | - | A | D | - | D | D | D | A | 
| Chloroform | A | A | A | A | D | A | A | B | - | D | C | C | D | C | A | D | A | C | D | D | D | C | A | A | A | A | D | D | D | D | D | A | 
| Chlorosulfonic Acid1 | D | D | - | D | D | A | B | D | - | - | D | D | C | C | A | D | D | D | - | D | D | D | - | C | - | D | D | D | D | D | D | C | 
| Chlorox (Bleach) | - | A | A | - | C | - | A | A | - | D | C | - | A | B | A | A | D | D | B | - | D | C | A | A | - | A | C | - | B | B | D | A | 
| Chocolate Syrup | - | A | A | - | A | - | - | - | - | D | - | - | - | - | - | A | A | A | - | - | A | - | - | A | - | A | A | - | A | - | D | A | 
| Chromic Acid 5% | - | A | A | B | C | A | A | D | D | D | - | - | A | B | - | C | D | D | B | B | A | A | D | C | - | A | D | C | D | A | B | B | 
| Chromic Acid 10% | - | B | - | - | - | A | A | - | D | - | - | A | A | - | A | A | - | D | - | - | A | - | - | A | - | A | D | - | D | - | - | C | 
| Chromic Acid 30% | - | B | - | - | - | A | A | - | D | - | - | B | A | - | A | D | - | D | - | - | A | - | - | A | - | A | D | - | D | - | - | D | 
| Chromic Acid 50% | C | B | B | - | C | A | A | D | D | D | - | C | B | B | A | D | D | D | C | C | B | B | D | A | - | A | D | - | D | A | D | C | 
| Cider | - | A | A | A | B | - | - | A | - | D | - | - | A | - | - | A | B | - | - | B | - | - | A | A | - | A | A | - | A | - | - | A | 
| Citric Acid | - | A | A | A | C | A | A | D | C | D | - | A | A | - | A | A | B | C | C | B | B | - | A | A | B | A | D | C | A | A | A | A | 
| Citric Oils | - | A | A | - | C | - | - | B | - | - | - | - | - | - | - | A | B | - | - | - | A | - | A | A | - | A | A | C | D | - | - | A | 
| Coffee | A | A | A | A | A | - | - | B | - | C | - | - | - | - | A | A | A | A | - | - | A | - | A | A | - | A | A | - | A | - | A | A | 
| Copper Chloride | C | D | D | B | D | A | A | D | - | D | - | A | A | B | A | A | B | D | - | B | A | A | - | A | - | A | A | - | A | A | A | A | 
| Copper Cyanide | - | A | A | A | D | A | A | C | - | D | - | A | A | - | A | A | B | A | - | B | A | A | A | A | - | B | B | - | A | A | A | C | 
| Copper Floborate | - | D | D | - | D | - | B | D | - | D | - | ## | A | - | A | - | B | - | - | A | - | - | A | - | - | A | B | - | A | - | A | A | 
| Copper Nitrate | B | A | A | B | D | A | A | D | - | - | - | A | A | - | A | A | B | D | - | B | A | - | A | A | - | A | A | - | A | - | - | A | 
| Copper Sulfate (5% Sol) | - | A | A | A | D | A | A | D | D | D | - | - | A | - | A | A | B | D | - | B | A | A | A | A | - | A | A | C | A | - | C | A | 
| Copper Sulfate | B | B | - | - | - | A | A | C | D | - | - | A | A | - | A | A | - | C | - | - | A | - | - | A | - | B | B | - | A | A | - | A | 
| Cream | - | A | A | - | A | - | - | C | - | D | - | - | - | - | - | A | A | A | - | - | A | - | A | A | - | A | A | - | C | - | - | A | 
| Cresols2 | - | A | A | - | B | - | - | D | C | - | - | - | D | D | - | - | D | - | D | D | C | A | A | A | - | D | D | D | D | D | D | A | 
| Cresylic Acid | B | A | A | - | C | A | B | C | - | - | - | B | B | D | A | - | D | D | - | C | - | - | A | A | - | A | D | - | D | D | D | A | 
| Cyclohexane | - | A | - | - | A | A | - | A | - | - | A | - | - | D | - | D | A | - | - | - | D | A | A | A | - | A | A | D | D | D | D | A | 
| Cyanic Acid | - | A | - | - | - | - | - | - | - | - | - | - | - | - | - | - | D | - | - | - | - | - | - | - | - | - | C | - | D | - | - | A | 
| Detergents | - | A | A | - | A | - | - | A | - | - | A | - | A | - | - | A | B | A | B | B | A | A | A | A | - | A | A | - | B | A | C | A | 
| Dichlorethane | - | A | A | - | - | - | A | - | - | - | - | - | D | D | A | - | - | A | - | D | - | - | - | - | - | B | - | - | D | - | D | A | 
| Diesel Fuel | A | A | A | - | A | - | - | A | - | A | A | - | - | - | - | D | A | - | - | - | D | A | A | A | - | A | A | - | D | D | D | A | 
| Diethylamine | A | A | - | - | A | - | - | A | - | - | - | - | D | - | A | B | D | - | - | - | C | - | A | A | - | D | B | - | B | B | C | A | 
| Diethylene Gycol | - | A | - | - | - | - | - | A | - | - | - | - | - | - | - | A | A | A | B | B | - | - | A | A | - | A | A | C | A | A | A | A | 
| Diphenyl Oxide | - | A | - | - | - | - | - | A | - | - | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | A | D | - | D | D | D | A | 
| Dyes | - | A | A | - | B | - | - | C | - | - | - | - | - | - | - | A | A | - | - | - | - | - | - | - | - | A | - | - | C | - | - | A | 
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| (Magnesium Sulfate) | B | A | A | A | A | A | B | B | - | - | - | - | A | - | - | A | A | - | - | - | A | - | A | A | - | A | A | - | A | - | C | A | 
| Ethane | A | A | - | - | A | - | - | A | - | - | - | - | - | - | - | D | A | - | - | - | - | - | A | A | - | A | A | - | B | D | D | A | 
| Ethanolamine | - | A | A | - | - | - | - | - | - | - | C | - | - | - | - | - | D | - | - | - | - | A | A | A | - | D | B | C | B | - | C | A | 
| Ether3 | A | A | A | A | A | - | B | B | A | - | B | - | D | C | - | D | A | C | - | - | - | A | A | A | A | C | D | - | D | C | D | A | 
| Ethyl Acetate2 | - | A | A | - | B | - | B | B | - | - | C | D | D | D | A | D | A | A | D | C | C | A | A | A | - | D | D | C | D | B | D | A | 
| Ethyl Chloride | - | A | A | A | B | A | B | B | - | C | D | A | D | D | A | D | A | A | - | D | D | A | A | A | - | A | D | D | C | A | A | A | 
| Ethyl Sulphate | - | D | - | - | - | - | - | - | - | - | - | - | - | - | - | - | B | - | - | - | - | - | A | A | - | A | A | - | - | - | - | A | 
| Ethylene Chloride2 | - | A | A | - | C | B | B | A | - | C | C | - | D | - | A | D | A | - | D | - | D | A | A | A | - | A | D | D | D | C | D | A | 
| Ethylene Dichloride | - | A | A | - | D | A | B | C | - | - | C | - | D | D | A | D | A | A | - | D | A | A | C | A | - | A | D | D | D | C | D | A | 
| Ethylene Glycol4 | - | A | A | - | A | - | A | B | B | B | C | A | A | B | A | A | A | A | B | B | A | A | A | A | A | A | A | C | A | A | A | A | 
| Ethylene Oxide | - | - | A | - | A | - | - | A | - | - | - | - | D | - | A | A | A | A | - | - | - | - | A | A | - | D | D | D | D | C | D | A | 
| Fatty Acids | - | A | A | - | B | A | A | C | - | D | - | A | A | B | A | B | A | A | - | B | A | - | A | A | - | A | C | C | B | C | C | A | 
| Ferric Acid | - | D | D | D | D | A | B | D | D | D | - | A | A | B | A | A | B | D | - | B | A | A | A | A | - | A | D | C | B | A | A | A | 
| Ferric Nitrate | - | A | A | A | D | A | A | D | - | - | - | A | A | - | A | A | B | D | - | B | A | A | A | A | - | A | A | D | A | A | A | A | 
| Ferric Sulfate | - | A | C | A | D | A | A | D | D | D | - | A | A | B | A | A | B | A | C | - | A | A | C | A | - | A | B | C | A | - | A | A | 
| Ferrous Chloride | - | D | D | - | D | A | B | C | - | D | - | A | A | B | A | A | B | D | - | B | A | A | A | A | - | A | B | C | A | - | A | A | 
| Ferrous Sulfate | B | A | C | - | D | A | B | C | - | D | D | A | A | B | A | A | B | D | - | B | A | A | A | A | - | A | B | - | A | - | A | A | 
| Fluoboric Acid | - | D | B | - | - | D | A | - | - | D | - | A | A | B | A | B | B | C | - | B | A | - | A | D | - | A | B | - | A | - | - | A | 
| Fluorine | D | D | D | - | D | D | A | D | - | D | D | - | C | - | C | - | - | D | - | C | - | - | D | - | - | - | - | - | - | - | - | D | 
| Fluosilicic Acid | - | - | B | - | D | D | B | - | - | D | - | A | A | B | A | A | B | D | - | B | A | - | A | D | - | B | A | - | A | - | - | C | 
| Formaldehyde 40% | - | - | A | - | - | A | A | - | - | - | - | B | B | - | A | A | - | D | - | - | A | A | - | A | - | D | B | B | A | - | - | A | 
| Formaldehyde | A | A | A | - | A | A | B | A | B | D | A | - | A | B | A | D | A | A | - | B | A | A | A | A | - | D | C | B | D | B | C | A | 
| Formic Acid6 | C | A | B | B | D | C | A | C | C | D | D | A | D | B | A | A | D | D | - | B | A | A | A | A | B | B | D | C | D | A | C | B | 
| Freon 111 | A | - | A | - | B | - | - | B | - | C | B | - | B | D | A | D | A | A | D | C | - | A | A | A | A | B | C | D | D | D | D | A | 
| Freon 12 (wet)2 | - | - | D | - | B | - | - | B | - | - | - | - | B | D | A | D | A | A | B | C | A | A | A | A | A | A | A | D | B | B | D | A | 
| Freon 22 | - | - | A | - | B | - | - | B | - | - | - | - | D | D | - | B | A | A | - | - | - | A | A | A | A | D | D | D | A | A | A | A | 
| Freon 113 | - | - | A | - | B | - | - | B | - | - | - | - | C | D | - | - | A | A | - | - | - | A | A | A | A | C | A | D | A | - | D | A | 
| Freon T.F. 4 | - | - | A | - | B | - | - | B | - | - | - | - | B | D | - | D | A | A | - | - | D | A | A | A | A | B | A | D | A | D | D | A | 
| Fruit Juice | A | A | A | A | B | - | - | B | - | D | D | - | A | - | D | A | B | A | - | B | A | - | A | A | A | A | A | - | A | - | - | A | 
| Fuel Oils | A | A | A | - | A | A | A | B | - | C | B | A | A | - | A | A | A | A | - | D | B | A | A | A | - | A | A | C | B | D | D | A | 
| Furan Resin | - | A | A | - | A | - | - | A | - | A | A | - | - | - | A | - | A | - | - | - | - | A | - | A | - | A | D | - | D | - | D | A | 
| Furfural1 | A | A | A | - | A | - | B | A | - | - | A | D | D | - | A | D | B | A | D | D | D | A | A | A | - | D | D | D | D | B | D | A | 
| Gallic Acid | B | A | A | - | A | - | A | A | - | D | D | - | A | A | A | - | - | A | - | - | - | - | - | - | - | B | A | - | - | - | - | - | 
| Gasoline14 | A | A | A | A | A | D | A | A | - | A | A | A | C | - | A | D | A | A | D | D | C | A | A | A | A | A | A | D | D | C | D | A | 
| Gelatin | A | A | A | A | A | - | A | A | C | D | D | - | A | - | A | A | A | A | - | - | A | - | A | A | - | A | A | - | A | A | A | A | 
| Glucose | A | - | A | - | A | - | - | A | A | B | B | - | A | B | A | B | A | A | B | B | A | - | A | A | - | A | A | B | A | A | A | A | 
| Glue P.V.A.1 | B | B | A | - | B | A | - | A | - | - | A | - | A | B | A | - | A | A | - | - | - | - | A | A | - | A | A | - | A | - | - | A | 
| Glycerine | A | A | A | A | A | A | A | A | B | B | B | A | A | B | A | A | A | A | C | - | A | - | A | A | - | A | A | B | A | A | A | A | 
| Glycolic Acid | - | - | - | - | - | - | A | - | - | - | - | - | - | A | - | A | C | - | - | B | A | A | A | - | - | A | A | - | A | - | - | A | 
| Gold Monocyanide | - | - | A | - | - | - | - | A | - | D | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | A | A | - | A | - | - | A | 
| Grape Juice | - | A | A | - | B | - | - | B | - | D | - | - | A | - | - | A | B | - | B | B | - | - | A | A | - | A | A | - | A | - | - | A | 
| Grease4 | A | A | A | - | A | - | - | B | - | A | A | - | - | - | A | - | A | A | - | - | - | - | A | A | - | A | A | - | D | - | - | A | 
| Heptane1 | A | - | A | - | A | - | A | A | - | - | B | A | A | - | A | D | A | A | C | D | D | A | A | A | - | A | A | - | B | D | - | A | 
| Hexane1 | A | A | A | - | A | - | A | B | - | - | B | A | C | - | A | D | A | A | D | - | C | A | A | A | - | A | A | B | B | D | D | A | 
| Honey | - | A | A | - | A | - | - | A | - | A | - | - | A | - | - | A | A | A | B | - | A | - | A | A | - | A | A | - | A | A | - | A | 
| Hydraulic Oils (Petroleum)1 | A | A | A | - | A | - | - | B | - | A | A | - | - | - | A | - | A | A | - | - | D | - | A | A | - | A | A | - | B | D | D | A | 
| Hydraulic Oils (Synthetic)1 | - | A | A | - | A | - | - | A | - | A | - | - | - | - | - | - | A | A | - | - | D | - | A | A | - | A | C | D | - | - | - | A | 
| Hydrazine | - | A | A | - | - | - | - | - | - | C | - | - | - | - | - | - | D | - | - | - | - | - | A | - | - | A | B | D | B | A | C | A | 
| Hydrobromic Acid 20% | - | - | D | - | - | A | A | - | - | - | - | A | A | - | A | A | - | D | - | - | A | - | - | B | - | A | D | - | C | - | - | B | 
| Hydrobromic Acid4 | D | D | D | D | D | A | A | D | - | D | D | A | A | B | A | C | D | D | - | B | B | - | A | A | - | A | D | D | D | A | A | A | 
| Hydrochloric Acid(Dry Gas) | D | C | A | - | D | - | A | - | - | - | D | - | A | - | A | - | - | - | - | - | - | - | A | - | - | - | - | - | - | A | - | A | 
| Hydrochloric Acid 20%4 | - | D | D | D | D | C | B | D | - | D | - | A | A | B | A | A | D | D | B | A | A | D | A | A | D | A | C | - | C | A | C | A | 
| Hydrochloric Acid 37%4 | - | D | D | D | D | C | B | D | - | D | - | A | A | B | A | A | D | D | C | A | A | D | A | C | D | A | C | C | C | C | D | A | 
| Hydrochloric Acid 100% | - | D | D | - | D | D | C | D | - | D | - | - | A | A | A | - | - | D | - | A | - | - | A | C | - | C | D | - | C | - | A | A | 
| Hydrocyanic Acid | A | A | A | C | A | A | A | D | D | - | C | - | A | B | A | A | B | A | - | B | A | - | A | A | - | A | C | - | B | - | A | A | 
| Hydrocyanic Acid(Gas 10%) | - | D | D | - | - | - | - | - | - | - | - | - | A | - | A | - | - | - | - | - | - | - | - | - | - | - | - | - | C | A | C | A | 
| Hydrofluoric Acid 20%1 | - | D | D | D | D | D | B | D | - | D | - | - | D | B | A | A | D | D | - | C | A | C | B | C | D | A | D | - | C | A | C | B | 
| Hydrofluoric Acid 75%12 | - | C | D | - | D | D | C | D | - | D | - | A | C | B | A | D | D | D | - | C | B | C | D | D | D | A | D | D | D | C | C | C | 
| Hydrofluoric Acid 100% | D | D | D | - | D | D | B | D | - | D | D | - | C | D | A | - | - | - | - | D | - | C | D | D | - | - | D | - | D | - | D | A | 
| Hydrofluosilicic Acid 20% | - | D | D | - | D | D | B | A | - | D | - | - | D | - | A | B | D | D | - | - | A | - | A | D | - | A | B | - | B | A | A | C | 
| Hydrofluosilicic Acid | - | D | D | - | C | - | C | D | - | - | - | - | - | C | A | - | - | - | - | - | - | - | A | - | - | - | - | D | A | - | - | - | 
| Hydrogen Gas | A | A | A | - | A | - | - | A | - | B | B | A | A | - | A | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | - | A | 
| Hydrogen Peroxide 10% | - | C | C | - | A | C | A | D | D | D | - | - | A | A | A | - | - | D | - | A | - | B | A | A | - | - | A | - | D | - | C | D | 
| Hydrogen Peroxide 30% | - | - | B | - | - | B | A | - | D | - | - | - | A | - | A | - | - | D | - | - | A | C | - | - | - | A | D | - | C | - | - | B | 
| Hydrogen Peroxide | - | A | B | A | A | B | A | D | D | D | D | C | A | C | A | B | D | D | - | B | A | C | - | A | A | A | D | C | D | C | C | A | 
| Hydrogen Sulfide, Aqueous Solution | - | D | A | C | C | A | A | D | C | D | - | A | A | B | A | A | D | D | - | B | A | A | A | A | A | D | C | - | B | A | D | A | 
| Hydrogen Sulfide (dry) | A | C | A | - | D | - | A | D | C | B | B | - | A | - | A | - | - | D | - | - | - | A | - | A | - | D | - | - | - | - | A | A | 
| Hydroxyacetic Acid (70%) | - | - | - | - | D | B | - | - | - | - | - | - | A | - | - | - | D | - | - | - | - | - | A | A | - | A | A | - | A | A | - | A | 
| Ink | A | A | A | - | C | - | - | C | - | D | D | - | - | - | - | B | A | A | - | B | - | - | A | A | A | A | A | - | A | - | - | A | 
| Iodine | - | D | D | D | D | A | B | D | - | D | - | - | D | B | A | A | C | D | D | D | D | - | D | A | - | A | B | - | D | B | D | A | 
| Iodine (in Alcohol) | - | - | B | - | - | D | A | - | - | - | - | - | D | - | A | C | - | D | - | - | B | - | - | A | - | A | D | - | D | - | - | - | 
| Iodoform | B | C | A | - | A | - | - | C | - | C | B | - | - | - | A | - | - | A | - | - | - | - | - | - | - | A | - | - | - | - | - | - | 
| Isotane2 | - | - | - | - | A | - | - | - | - | - | - | - | - | - | - | D | A | - | - | - | D | - | - | A | - | A | A | - | - | - | D | A | 
| Isopropyl Acetate | - | - | B | - | C | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | D | D | - | D | B | D | A | 
| Isopropyl Ether2 | A | - | A | - | A | - | - | A | - | - | A | - | - | - | A | D | A | - | - | - | D | - | A | A | - | D | B | - | D | D | D | - | 
| Jet Fuel (JP#, JP4, JP5) | A | A | A | - | A | - | - | A | - | A | A | A | A | - | A | D | A | A | - | - | D | A | A | A | - | A | A | D | D | D | D | A | 
| Kerosene2 | A | A | A | A | A | A | A | A | A | A | B | A | A | D | A | D | A | A | B | D | D | A | A | A | A | A | A | D | D | A | D | A | 
| Ketones | A | A | A | - | B | A | A | A | - | A | A | D | D | D | A | D | B | A | - | D | D | A | C | A | - | D | D | - | D | D | C | C | 
| Lacquers | A | A | A | - | A | - | - | A | C | C | C | - | - | D | - | C | A | A | - | - | A | - | A | A | - | D | D | - | D | - | D | A | 
| Lacquer Thinners | - | - | A | - | - | A | A | - | C | - | - | - | C | - | A | D | - | A | - | - | B | - | - | A | - | - | D | - | D | A | - | - | 
| Lactic Acid | A | A | B | C | C | A | A | D | - | D | D | C | A | B | A | A | B | C | - | B | A | A | A | A | - | B | B | - | A | B | A | A | 
| Lard | B | A | A | A | A | - | - | A | - | A | C | - | A | - | - | - | A | A | C | - | A | - | A | A | - | A | A | C | B | - | D | A | 
| Latex | - | A | A | - | A | - | - | A | - | - | - | - | - | - | - | A | A | A | - | B | - | - | - | A | - | A | A | - | C | A | - | A | 
| Lead Acetate | B | A | A | - | D | A | A | C | - | - | D | - | A | B | A | A | A | A | - | B | A | - | A | A | - | D | B | - | D | A | A | A | 
| Lead Sulfamate | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | A | - | - | - | - | A | B | C | A | D | C | A | 
| Ligroin3 | - | - | A | - | - | - | - | A | - | - | - | - | - | - | - | D | A | - | - | - | D | - | - | A | - | A | A | - | B | A | D | A | 
| Lime | - | A | A | - | C | A | - | A | - | A | - | - | A | - | - | A | D | - | C | - | - | - | A | A | - | A | A | C | B | D | - | A | 
| Lubricants | - | A | A | - | A | A | A | B | - | - | - | - | A | - | A | - | A | A | B | - | A | A | A | A | - | A | A | C | D | - | D | A | 
| Magnesium Carbonate | - | A | A | A | - | - | B | - | - | - | - | - | A | - | - | A | A | - | - | B | A | - | - | A | - | - | A | - | A | A | - | A | 
| Magnesium Chloride | B | B | B | A | D | A | A | B | C | D | C | - | A | B | A | A | A | A | - | B | A | A | - | A | - | A | A | - | A | A | A | A | 
| Magnesium Hydroxide | A | A | A | - | D | A | A | C | B | B | B | A | A | - | A | A | A | A | - | B | A | A | A | A | - | A | B | - | B | - | C | A | 
| Magnesium Nitrate | - | A | A | A | - | A | A | - | - | - | - | - | A | - | A | A | A | A | - | B | A | - | - | A | - | A | A | - | A | - | - | A | 
| Magnesium Oxide | - | A | A | - | - | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | - | - | A | - | - | A | - | A | A | - | A | 
| Magnesium Sulfate | B | B | A | - | B | A | B | B | B | C | B | - | A | B | A | A | A | A | - | B | A | A | A | A | - | A | A | - | A | D | C | A | 
| Maleic Acid | C | A | A | A | B | A | A | C | - | - | B | - | A | B | A | A | C | A | - | - | C | - | A | A | - | A | D | - | A | D | D | A | 
| Maleic Anhydride | - | - | - | - | - | - | A | - | - | - | - | - | - | - | - | - | C | - | - | - | - | - | A | A | - | A | D | - | D | - | D | A | 
| Malic Acid | B | A | A | - | C | - | A | D | - | - | D | - | A | - | A | - | - | A | - | - | - | - | - | A | - | B | - | - | A | - | A | - | 
| Mash | - | A | A | - | - | - | - | A | - | - | - | - | - | - | - | A | A | - | - | - | - | - | A | A | - | - | A | - | A | - | - | A | 
| Mayonnaise | A | A | A | - | D | - | - | D | - | D | D | - | - | - | A | A | A | A | B | - | A | - | A | A | - | A | A | - | - | - | - | A | 
| Melamine | - | D | D | - | - | - | - | D | - | - | - | - | - | - | - | - | D | - | - | - | - | - | A | A | - | - | C | - | - | - | - | A | 
| Mercurie Chloride (Dilute Solution) | D | D | D | D | D | A | B | D | D | D | D | - | A | A | A | A | A | A | - | B | A | - | A | A | - | A | A | - | A | A | A | A | 
| Mercuric Cyanide | A | A | A | - | D | A | - | D | - | - | D | - | A | - | A | A | A | - | - | B | A | - | A | A | - | - | A | - | - | - | - | A | 
| Mercury | A | A | A | A | C | C | A | D | D | A | A | - | A | - | A | A | A | A | - | B | A | - | A | A | - | A | A | - | A | A | A | A | 
| Methyl Acetone | A | - | A | - | A | - | - | A | - | A | A | - | - | - | A | D | A | - | - | - | - | - | - | A | - | D | D | - | D | - | - | C | 
| Methyl Alcohol 10% | A | - | A | - | C | - | A | C | - | - | B | - | A | - | A | - | - | A | - | - | - | - | - | - | - | - | B | - | - | - | A | A | 
| Methyl Bromide | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | A | - | - | D | - | - | A | A | - | A | B | - | D | D | D | B | 
| Methyl Butyl Ketone | - | - | A | - | A | - | - | - | - | - | - | - | - | - | - | D | B | - | - | - | - | - | A | A | - | D | D | C | D | A | D | B | 
| Methyl Cellosolve | - | - | - | - | A | - | - | A | - | - | - | - | - | - | - | C | B | - | - | - | A | - | A | A | - | D | D | - | D | B | D | C | 
| Methyl Chloride | - | A | A | - | D | A | A | A | - | - | - | A | D | - | A | D | A | A | - | D | D | - | A | A | - | A | D | D | D | C | D | A | 
| Methyl Dichloride | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | D | A | - | - | - | - | - | A | A | - | A | D | - | D | D | D | A | 
| Methyl Ethyl Ketone | - | A | A | - | A | A | A | A | - | - | - | D | D | - | A | D | B | A | D | D | A | A | A | A | - | D | D | C | D | A | D | B | 
| Methyl Isobutyl Ketone2 | - | - | A | - | - | A | A | - | - | - | - | D | D | - | A | D | B | A | D | - | C | A | A | A | - | D | D | C | D | C | D | B | 
| Methyl Isopropyl Ketone | - | - | A | - | - | - | - | - | - | - | - | - | - | - | - | D | B | A | - | - | - | - | A | A | - | D | D | B | D | B | D | B | 
| Methyl Methacrylate | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | D | D | - | D | D | D | A | 
| Methylamine | A | - | A | - | A | - | - | D | - | B | B | - | - | - | - | B | D | - | - | - | - | - | A | A | - | - | B | - | - | - | - | A | 
| Methylene Chloride | A | A | A | - | A | A | A | A | C | - | B | D | D | - | A | D | A | D | - | D | D | - | A | A | - | D | D | - | D | D | D | A | 
| Milk | A | A | A | A | A | - | - | C | C | D | D | - | A | - | - | A | A | A | B | B | A | - | A | A | A | A | A | B | A | A | A | A | 
| Molasses | A | A | A | A | A | - | - | A | B | A | A | - | A | - | - | B | A | A | - | B | A | - | A | A | A | A | A | - | A | - | - | A | 
| Mustard | A | A | A | A | B | - | - | B | - | C | B | - | A | - | - | B | B | A | B | - | A | - | A | A | - | A | B | C | C | - | - | A | 
| Naptha | A | A | A | A | A | A | A | B | - | B | B | A | A | C | A | D | A | A | C | D | A | A | A | A | - | A | B | D | D | D | D | A | 
| Napthalene | B | A | B | - | B | A | A | C | - | B | A | A | D | - | A | D | A | - | - | D | B | A | A | A | - | B | D | - | D | D | D | A | 
| Nickel Chloride | - | A | B | - | D | A | A | D | - | D | - | A | A | B | A | A | B | A | - | B | A | - | A | A | - | A | A | - | A | A | A | A | 
| Nickel Sulfate | B | A | B | - | D | A | B | C | C | D | D | A | A | A | A | A | B | A | - | B | A | - | A | A | - | A | A | - | A | A | C | A | 
| Nitric Acid (10% Solution) | A | A | A | A | D | A | A | D | - | D | D | A | A | B | A | A | D | D | C | B | A | D | C | B | D | A | D | - | D | B | D | A | 
| Nitric Acid (20% Solution) | - | A | A | A | D | A | A | D | - | D | - | B | A | B | A | A | D | D | D | B | A | C | D | C | D | A | D | - | D | D | D | B | 
| Nitric Acid (50% Solution) | - | A | A | A | D | A | A | D | - | D | - | B | A | B | A | A | D | D | D | C | D | C | D | A | - | A | D | - | D | D | D | D | 
| Nitric Acid (Concentrated Solution) | - | D | B | A | B | A | B | D | D | D | - | - | D | C | A | D | D | D | D | D | D | C | D | A | C | B | D | - | D | D | D | D | 
| Nitrobenzene2 | B | A | B | - | C | A | B | D | - | B | B | D | D | D | A | D | B | C | D | D | C | B | A | A | - | D | D | D | D | D | D | B | 
| Oils | 
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| Aniline | - | A | A | - | C | A | D | A | - | A | - | - | D | - | A | D | D | C | D | - | A | - | A | A | - | A | D | - | D | B | D | A | 
| Anise | - | A | A | - | - | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | - | - | - | D | - | - | A | 
| Bay | - | A | A | - | - | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | A | - | - | D | - | - | A | 
| Bone | - | A | A | - | - | - | - | A | - | - | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | A | A | - | D | - | - | A | 
| Castor | - | A | A | - | A | - | - | A | - | A | - | - | A | - | - | - | A | - | - | - | - | - | A | A | A | A | A | - | A | B | A | A | 
| Cinnamon | - | A | A | - | - | - | - | - | - | - | - | - | - | - | A | - | A | - | - | - | A | - | A | A | - | D | - | - | D | - | - | A | 
| Citric | - | A | A | - | - | - | - | D | - | D | - | - | - | - | - | - | A | A | - | - | A | - | A | A | - | A | A | - | D | - | - | A | 
| Clove | - | A | A | - | - | - | - | - | - | - | - | - | - | - | - | - | A | A | - | - | B | - | A | A | - | - | A | - | - | - | - | A | 
| Coconut | - | A | A | - | B | - | - | A | - | A | - | - | - | - | - | - | A | A | - | - | A | - | A | A | - | A | A | - | A | A | D | A | 
| Cod Liver | - | A | A | - | B | - | - | - | - | - | - | - | - | - | - | - | A | A | C | - | A | - | A | A | - | A | A | - | B | A | D | A | 
| Corn | - | A | A | A | B | - | - | B | - | A | - | - | - | - | - | - | A | A | C | - | A | - | A | A | - | A | A | - | D | C | D | A | 
| Cotton Seed | B | A | A | A | B | - | - | B | - | A | C | - | A | - | A | - | A | A | C | - | A | A | A | A | - | A | A | - | D | C | D | A | 
| Cresote2 | - | A | A | - | A | - | - | - | - | - | - | - | - | - | - | - | D | - | - | - | D | - | A | A | - | A | A | - | B | D | D | A | 
| Diesel Fuel (2D, 3D, 4D, 5D) | - | A | A | - | A | - | - | A | - | - | - | - | - | - | - | D | A | A | - | - | A | A | A | A | - | A | A | - | D | D | D | A | 
| Fuel (1,2,3,5A, 5B, 6) | - | A | A | - | A | A | A | A | - | - | - | - | A | - | A | D | A | - | - | - | B | - | A | A | - | A | B | - | D | D | D | A | 
| Ginger | - | A | A | - | - | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | A | A | - | A | - | - | A | 
| Lemon | - | A | A | - | - | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | D | - | A | A | - | A | - | - | D | - | - | A | 
| Linseed | - | A | A | A | A | - | - | A | - | A | - | - | A | B | - | - | A | A | C | - | A | - | A | A | A | A | A | - | D | D | D | A | 
| Mineral | A | A | A | A | A | - | - | A | - | A | B | - | A | - | - | B | A | A | - | - | B | A | A | A | A | A | A | - | B | D | D | A | 
| Olive | A | A | A | - | A | - | - | B | - | A | B | - | A | - | A | - | A | A | - | - | A | - | A | A | - | A | A | C | B | - | D | A | 
| Orange | - | A | A | - | - | - | - | - | - | - | - | - | - | - | A | - | A | A | - | - | A | - | A | A | - | A | A | - | D | - | - | A | 
| Palm | - | A | A | - | A | - | - | B | - | - | - | - | A | - | - | - | A | A | - | - | - | - | A | A | - | A | A | - | D | - | - | A | 
| Peanut3 | - | A | A | - | A | - | - | A | - | A | - | - | A | - | - | - | A | - | - | - | D | - | A | A | - | A | A | - | D | - | D | A | 
| Peppermint2 | - | A | A | - | - | - | - | A | - | - | - | - | - | - | - | - | A | - | - | - | D | - | A | A | - | A | D | - | D | - | - | A | 
| Pine | A | A | A | - | A | - | - | D | - | C | B | - | A | - | A | - | A | - | - | - | - | - | A | A | - | A | A | - | D | - | D | A | 
| Rape Seed | - | A | A | - | - | - | - | A | - | - | - | - | A | - | - | - | A | - | - | - | - | - | A | A | - | A | B | - | D | - | D | A | 
| Rosin | - | A | A | - | A | - | - | - | - | - | - | - | - | - | - | - | A | A | - | - | A | - | A | A | - | A | A | - | - | - | - | A | 
| Sesame Seed | - | A | A | - | A | - | - | A | - | A | - | - | A | - | - | - | A | - | - | - | - | - | A | A | - | A | A | - | D | - | - | A | 
| Silicone | - | A | A | - | - | - | - | A | - | A | - | - | - | - | - | A | A | A | - | - | A | - | A | A | A | A | A | - | A | - | A | A | 
| Soybean | - | A | A | - | A | - | - | B | - | A | - | - | A | - | - | - | A | A | - | - | A | - | A | A | - | A | A | - | D | - | D | A | 
| Sperm | - | A | A | - | - | - | - | A | - | - | - | - | A | - | - | - | A | - | - | - | - | - | A | A | - | A | A | - | D | - | - | A | 
| Tanning | - | A | A | - | - | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | A | A | - | D | - | - | A | 
| Turbine | - | A | A | - | A | - | - | A | - | A | - | - | A | - | - | - | A | - | C | - | - | - | A | A | - | A | A | - | D | - | D | A | 
| Oleic Acid | B | A | A | B | B | - | B | B | C | C | C | - | A | C | A | C | B | A | B | D | C | - | A | A | - | D | B | D | D | D | D | A | 
| Oleum 25% | - | - | - | - | - | - | A | - | - | - | - | B | D | - | A | D | - | - | - | - | - | - | - | A | - | A | D | D | D | D | - | D | 
| Oleum | B | - | A | - | B | - | - | C | C | - | B | D | D | - | A | - | D | - | - | - | D | - | - | A | - | A | C | D | D | D | D | A | 
| Oxalic Acid (Cold) | C | A | B | A | C | C | B | B | C | D | D | - | A | B | A | C | C | D | - | A | A | - | A | A | - | A | B | C | B | A | C | A | 
| Paraffin | A | A | A | A | A | - | - | A | - | B | B | A | A | - | A | B | A | A | B | - | A | - | A | A | - | A | A | - | - | - | - | A | 
| Pentane | A | C | C | - | A | - | B | A | - | B | B | - | - | - | A | D | A | A | D | - | - | - | A | A | - | A | A | - | B | D | D | A | 
| Perchloroethylene2 | B | A | A | - | A | - | - | C | - | B | B | A | - | - | A | D | A | - | D | - | D | A | A | A | - | A | C | D | D | D | D | A | 
| Petrolatum | A | - | A | - | B | - | - | B | - | C | C | - | - | - | A | D | A | A | B | - | - | - | A | A | - | A | A | - | B | A | D | A | 
| Phenol 10% | B | A | A | - | A | - | B | C | - | B | D | - | A | C | A | - | - | D | - | - | - | A | - | - | - | B | D | - | C | D | C | C | 
| Phenol (Carbolic Acid) | B | A | A | A | B | C | A | B | D | D | D | A | A | C | A | C | D | D | - | D | B | A | A | D | A | A | D | - | D | D | D | B | 
| Phosphoric Acid (to 40% Solution) | - | B | A | A | D | A | A | D | D | D | - | - | A | B | A | A | D | D | C | B | A | A | B | C | D | A | D | - | D | B | C | A | 
| Phsophoric Acid (40-100% Solution) | - | C | B | B | D | B | A | D | D | D | - | - | A | B | A | A | D | D | D | C | A | A | B | D | D | A | D | - | D | B | C | C | 
| Phosphoric Acid (Crude) | - | D | C | C | D | C | A | D | D | D | D | A | - | - | A | - | D | D | D | C | - | A | C | D | - | A | D | - | D | B | - | A | 
| Phosphoric Anhydride (Dry or Moist) | - | A | A | - | - | - | - | - | D | - | - | - | D | D | A | - | - | - | - | - | - | - | A | - | - | D | D | - | D | - | A | - | 
| Phsphoric Anhydride (Molten) | - | A | A | - | D | - | - | D | D | - | - | - | D | - | A | - | - | A | - | D | - | - | - | - | - | D | C | - | D | - | D | A | 
| Photographic (Developer) | - | C | A | C | C | A | A | - | - | D | - | - | A | - | - | A | C | - | - | B | A | - | A | A | - | A | A | - | A | - | - | A | 
| Phthalic Anhydride | B | A | B | - | B | - | A | B | - | C | C | - | - | - | A | - | - | A | - | - | - | - | - | - | - | A | C | - | - | - | - | - | 
| Picric Acid | B | A | A | - | C | - | A | D | D | D | D | - | A | A | A | - | - | A | - | A | - | - | - | - | - | A | A | D | A | - | A | A | 
| Plating Solutions | 
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| Antimony Plating 130°F | - | - | A | - | - | A | A | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | A | - | A | A | D | A | - | - | B | 
| Arsenic Plating 110°F | - | - | A | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | C | - | A | A | D | A | - | - | B | 
| Brass Plating | 
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| Regular Brass Bath 100°F | - | - | A | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | C | - | A | A | D | A | - | - | B | 
| High Speed Brass Bath 110°F | - | - | A | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | D | - | A | A | D | A | - | - | B | 
| Bronze Plating | 
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| Copper-Cadmium Bronze Bath R.T. | - | - | A | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | C | - | A | A | D | A | - | - | B | 
| Copper-Tin Bronze Bath 160°F | - | - | A | - | - | A | A | - | - | - | - | - | D | - | A | A | - | A | - | - | A | - | - | D | - | A | A | D | B | - | - | C | 
| Copper-Zinc Bronze Bath 100°F | - | - | A | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | C | - | A | A | - | A | - | - | B | 
| Cadmium Plating | 
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| Cyanide Bath 90°F | - | - | A | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | C | - | A | A | - | A | - | - | B | 
| Fluoborate Bath 100°F | - | - | A | - | - | D | A | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | D | - | A | B | - | C | - | - | B | 
| Chromium Plating | 
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| Chromic-Sulfuric Bath 130°F | - | - | C | - | - | A | A | - | - | - | - | - | A | - | A | D | - | D | - | - | A | - | - | A | - | C | D | - | D | - | - | D | 
| Fluosilicate Bath 95°F | - | - | C | - | - | C | A | - | - | - | - | - | A | - | A | D | - | D | - | - | A | - | - | B | - | C | D | - | D | - | D | D | 
| Fluoride Bath 130°F | - | - | D | - | - | C | A | - | - | - | - | - | A | - | A | D | - | D | - | - | A | - | - | B | - | C | D | - | D | - | - | D | 
| Black Chrome Bath 115°F | - | - | C | - | - | A | A | - | - | - | - | - | A | - | A | D | - | D | - | - | A | - | - | A | - | C | D | - | D | - | - | D | 
| Barrel Chrome Bath 95°F | - | - | D | - | - | C | A | - | - | - | - | - | A | - | A | D | - | D | - | - | A | - | - | A | - | C | D | - | D | - | - | D | 
| Copper Plating (Cyanide) | 
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| Copper Strike Bath 120°F | - | A | A | A | - | - | - | - | - | - | A | A | - | - | - | - | - | C | - | B | - | - | A | - | - | 
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| Rochelle Salt Bath 150°F | - | - | A | - | - | A | A | - | - | - | - | - | D | - | A | A | - | A | - | - | A | - | - | D | - | A | A | - | B | - | - | C | 
| High Speed Bath 180°F | - | - | A | - | - | A | A | - | - | - | - | - | D | - | A | A | - | A | - | - | A | - | - | D | - | A | A | - | B | - | - | C | 
| Copper Plating (Acid) | 
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| Copper Sulfate Bath R.T. | - | - | D | - | - | A | A | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | D | - | A | A | - | A | - | - | D | 
| Copper Fluoborate Bath 120°F | - | - | D | - | - | D | A | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | D | - | A | B | - | C | - | - | D | 
| Copper (Misc.) | 
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| Copper Pyrophosphate 140°F | - | - | A | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | B | - | A | A | - | A | - | - | B | 
| Copper (Electroless) 140°F | - | - | - | - | - | - | - | D | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | D | - | A | D | - | D | - | - | B | 
| Gold Plating | 
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| Cyanide 150°F | - | - | A | - | - | A | A | C | - | - | - | - | D | - | A | A | - | A | - | - | A | - | - | B | - | A | A | - | A | - | - | D | 
| Neutral 75°F | - | - | C | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | A | - | A | A | - | A | - | - | A | 
| Acid 75°F | - | - | C | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | A | - | A | A | - | A | - | - | A | 
| Indium Sulfamate Plating R.T. | - | - | C | - | - | A | A | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | A | - | A | A | - | A | - | - | A | 
| Iron Plating | 
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| Ferrous Chloride Bath 190°F | - | - | D | - | - | A | D | - | - | - | - | - | D | - | A | A | - | D | - | - | C | - | - | A | - | A | B | - | D | - | - | D | 
| Ferrous Sulfate Bath 150°F | - | - | C | - | - | A | A | - | - | - | - | - | D | - | A | A | - | D | - | - | A | - | - | A | - | A | A | - | B | - | - | D | 
| Ferrous Am. Sulfate Bath 150°F | - | - | C | - | - | A | A | - | - | - | - | - | D | - | A | A | - | D | - | - | A | - | - | A | - | A | A | - | B | - | - | D | 
| Sulfate-Chloride Bath 160°F | - | - | D | - | - | A | D | - | - | - | - | - | D | - | A | A | - | D | - | - | A | - | - | A | - | A | B | - | C | - | - | D | 
| Fluoborate Bath 145°F | - | - | D | - | - | D | B | - | - | - | - | - | D | - | A | A | - | D | - | - | A | - | - | D | - | A | B | - | C | - | - | D | 
| Sulfamate 140°F | - | - | D | - | - | A | B | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | A | - | A | A | - | A | - | - | A | 
| Lead Fluoborate Plating | - | - | C | - | - | D | A | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | D | - | A | B | - | C | - | - | A | 
| Nickel Plating | 
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| Watts Type 115-160°F | - | - | C | - | - | A | A | - | - | - | - | - | D | - | A | A | - | A | - | - | A | - | - | A | - | A | A | - | A | - | - | D | 
| High Chloride 130-160°F | - | - | C | - | - | A | A | - | - | - | - | - | D | - | A | A | - | D | - | - | A | - | - | A | - | A | A | - | B | - | - | D | 
| Fluoborate 100-170°F | - | - | C | - | - | D | A | D | - | - | - | - | D | - | A | A | - | D | - | - | A | - | - | D | - | A | B | - | C | - | - | D | 
| Sulfamate 100-140°F | - | - | C | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | A | - | A | A | - | A | - | - | A | 
| Electroless 200°F | - | - | - | - | - | - | - | - | - | - | - | - | D | - | A | D | - | D | - | - | D | - | - | A | - | A | D | - | D | - | - | B | 
| Rhodium Plating 120°F | - | - | D | - | - | D | D | - | - | - | - | - | A | - | A | A | D | D | - | - | A | - | - | A | - | A | A | - | B | - | - | A | 
| Silver Plating 80-120°F | - | - | A | - | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | B | - | A | A | - | A | - | - | A | 
| Tin-Fluoborate Plating 100°F | - | - | C | - | - | D | A | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | D | - | A | B | - | C | - | - | A | 
| Tine-Lead Plating 100°F | - | - | C | - | - | D | A | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | D | - | A | B | - | C | - | - | A | 
| Zinc Plating | 
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| Acid Chloride 140°F | - | - | D | - | - | A | D | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | A | - | A | A | - | A | - | - | A | 
| Acid Sulfate Bath 150°F | - | - | C | - | - | A | A | - | - | - | - | - | D | - | A | A | - | D | - | - | A | - | - | A | - | A | A | - | B | - | - | D | 
| Acid Fluoborate Bath R.T. | - | - | - | C | - | D | - | - | - | - | - | - | A | - | A | A | - | D | - | - | A | - | - | D | - | A | B | - | C | - | - | A | 
| Alkaline Cyanide Bath R.T. | - | - | - | A | - | A | A | - | - | - | - | - | A | - | A | A | - | A | - | - | A | - | - | D | - | A | A | - | A | - | - | A | 
| Potash | - | A | - | A | C | - | A | C | - | B | - | - | A | B | - | A | B | A | - | B | A | - | A | A | A | A | A | - | B | - | B | A | 
| Potassium Bicarbonate | - | A | - | B | C | A | B | B | - | D | - | A | A | - | A | A | C | A | C | B | A | A | A | A | - | A | A | - | A | - | B | A | 
| Potassium Bromide | A | A | - | B | C | A | B | C | - | D | D | A | A | - | A | A | A | C | - | B | A | C | A | A | - | A | A | - | A | A | B | A | 
| Potassium Carbonate | B | A | - | A | C | A | A | C | - | B | B | A | A | B | A | A | B | A | - | B | A | A | A | A | A | A | B | - | A | - | B | A | 
| Potassium Chlorate | B | A | A | A | B | A | B | B | - | B | B | A | A | B | A | A | B | D | - | B | A | A | A | A | - | A | A | - | A | - | B | A | 
| Potassium Chloride | C | A | A | B | B | A | A | C | C | B | B | A | A | A | A | A | A | B | C | B | A | A | A | A | - | A | A | - | A | A | A | A | 
| Potassium Chromate | - | - | B | B | A | - | B | A | - | A | - | - | A | - | - | A | C | - | - | B | - | A | A | D | - | A | A | - | A | - | B | C | 
| Potassium Cyanide Solutions | B | A | B | A | D | A | A | D | - | B | B | A | A | - | A | A | C | A | - | B | A | A | C | A | - | B | A | - | A | A | A | A | 
| Potassium Dichromate | B | A | A | A | A | A | B | C | - | B | C | A | A | - | A | A | C | D | - | B | A | A | A | A | - | B | A | - | A | A | A | A | 
| Potassium Ferrocyanide | B | A | - | A | C | - | B | A | - | - | C | - | A | - | A | - | - | A | - | A | - | - | - | - | - | - | D | - | - | - | A | A | 
| Potassium Hydroxide (50%) | A | B | B | B | D | C | A | D | D | C | A | D | A | B | A | A | D | A | C | B | A | A | - | D | A | D | B | C | A | A | C | A | 
| Potassium Nitrate | B | A | B | A | B | A | B | B | - | - | B | A | A | C | A | A | B | C | - | B | A | C | A | A | - | B | A | - | A | A | A | A | 
| Potassium Permanganate | B | A | B | B | B | B | B | B | - | B | B | A | A | - | A | A | C | D | C | B | B | A | A | A | - | B | A | - | A | - | B | B | 
| Potassium Sulfate | B | A | B | B | A | A | A | B | B | B | B | A | A | A | A | A | B | C | - | B | A | A | A | A | - | A | A | C | A | A | C | A | 
| Potassium Sulfide | A | A | - | A | B | - | B | B | - | B | B | - | A | - | A | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | - | 
| Propane (Liquified)1 2 | A | A | - | A | A | - | - | A | A | - | B | - | D | - | A | D | A | A | - | - | D | - | A | A | - | A | A | D | B | D | D | A | 
| Propylene Glycol | B | B | - | A | A | - | - | B | - | B | B | - | - | - | A | - | B | B | B | B | - | - | A | A | - | A | A | - | C | - | - | A | 
| Pyridine | - | C | - | B | B | - | - | - | - | B | A | D | - | D | A | D | D | - | - | C | B | A | A | A | - | D | D | - | D | B | D | A | 
| Pyrogallic Acid | B | A | A | A | B | - | A | B | - | B | B | - | A | - | A | - | D | A | - | - | - | - | A | A | - | A | A | - | - | - | - | A | 
| Rosins | A | A | A | A | A | - | B | A | C | - | C | - | - | - | A | - | B | A | - | - | A | - | A | A | - | - | A | - | - | - | - | A | 
| Rum | - | A | - | A | - | - | - | - | - | - | - | - | A | - | - | A | A | A | - | - | A | - | A | A | - | A | A | - | A | - | - | A | 
| Rust Inhibitors | - | A | - | A | - | - | - | A | - | A | - | - | - | - | - | - | A | - | - | - | A | - | A | A | - | A | A | - | C | - | - | A | 
| Salad Dressing | - | A | - | A | B | - | - | B | - | D | - | - | A | - | - | A | A | A | - | - | A | - | A | A | - | A | A | - | - | - | - | A | 
| Sea Water | A | A | C | A | C | A | - | C | - | - | D | - | A | - | A | A | A | A | - | B | A | - | A | A | A | A | A | B | B | A | A | A | 
| Shellac (Bleached) | A | A | - | A | A | - | - | A | B | B | A | - | - | - | A | - | A | A | - | - | A | - | - | A | - | - | A | - | - | - | - | A | 
| Shellac (Orange) | A | A | - | A | A | - | - | A | C | C | A | - | - | - | A | - | A | A | - | - | A | - | - | A | - | - | A | - | - | - | - | A | 
| Silicone | - | B | - | A | B | - | - | A | - | - | - | - | - | - | - | A | A | A | - | - | A | - | A | A | - | A | A | B | A | A | A | A | 
| Silver Bromide | - | C | C | B | D | - | - | - | - | - | - | - | - | - | - | A | C | - | - | - | - | - | A | - | - | - | - | - | - | - | - | A | 
| Silver Nitrate | B | A | B | A | D | A | A | D | - | D | D | A | A | B | A | A | C | A | - | B | A | - | A | A | - | A | C | - | A | C | A | A | 
| Soap Solutions | A | A | A | A | C | A | B | B | B | A | - | B | B | A | A | A | A | - | B | A | A | A | A | A | A | A | B | B | - | C | A | 
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| Sodium Acetate | B | A | A | B | B | A | A | B | - | C | C | A | A | - | A | A | B | A | - | B | A | - | A | A | - | D | D | - | C | - | A | A | 
| Sodium Aluminate | B | - | - | A | C | B | B | B | - | - | C | - | - | - | A | A | B | A | - | - | - | A | A | A | - | A | A | - | A | A | B | A | 
| Sodium Bicarbonate | B | A | A | A | A | A | - | B | A | C | C | A | A | B | A | A | B | A | B | B | A | A | A | A | A | A | A | C | A | A | A | A | 
| Sodium Bisulfate | A | A | - | A | D | B | B | C | C | D | D | A | A | B | A | A | B | C | C | B | A | A | A | A | - | B | A | C | A | - | A | A | 
| Sodium Bisulfate | - | A | - | A | A | A | B | C | - | D | - | A | A | B | A | A | B | D | B | B | A | A | A | A | - | A | A | C | A | - | A | A | 
| Sodium Borate | B | A | - | A | C | - | A | A | - | C | C | - | C | - | A | - | - | A | - | A | - | - | - | - | - | A | - | B | A | - | - | - | 
| Sodium Carbonate | B | A | B | B | C | A | A | B | B | B | B | A | A | B | A | A | A | A | C | B | A | A | B | A | - | A | A | - | A | A | A | A | 
| Sodium Chlorate | B | A | - | A | B | A | B | B | - | - | C | A | A | B | A | A | D | A | - | B | A | A | A | A | - | A | D | - | A | - | A | A | 
| Sodium Chloride | B | A | C | B | C | A | A | B | C | B | C | A | A | B | A | A | A | A | B | B | A | A | A | A | A | A | A | C | A | A | B | A | 
| Sodium Chromate | A | A | A | - | D | - | B | B | - | B | B | - | - | - | A | A | D | A | - | - | A | A | A | B | - | B | A | - | A | - | - | C | 
| Sodium Cyanide | B | A | - | A | D | A | - | D | D | B | B | A | A | - | A | A | D | C | - | B | A | A | A | A | - | A | A | D | A | A | A | A | 
| Sodium Fluoride | B | C | - | C | C | A | A | C | - | D | D | - | D | D | A | - | - | A | - | C | - | - | - | - | - | B | D | - | D | - | D | A | 
| Sodium Hydrosulfite | - | - | - | - | A | - | A | C | - | - | - | - | C | A | A | - | - | A | - | - | - | - | - | A | - | A | - | - | A | - | A | - | 
| Sodium Hydroxide (20%) | - | A | A | A | D | A | A | C | D | A | - | A | A | B | A | A | D | C | C | B | A | A | C | D | A | A | A | D | B | A | A | A | 
| Sodium Hydroxide (50% Solution) | - | A | B | - | D | A | A | C | D | B | - | D | A | B | A | A | D | C | C | C | A | B | C | D | A | D | D | D | C | - | A | A | 
| Sodium Hydroxide (80% Solution) | - | A | D | - | D | A | B | C | D | C | - | - | A | B | A | A | D | C | C | C | A | B | C | D | A | B | D | D | C | - | B | A | 
| Sodium Hypochlorite (to 20%) | - | C | C | C | C | A | A | D | D | D | - | - | A | B | A | A | D | A | - | B | D | C | D | A | B | A | C | D | D | B | C | B | 
| Sodium Hypochlorite | D | - | A | - | D | A | A | D | - | D | D | A | A | - | A | A | - | A | - | - | A | C | - | D | - | B | B | C | A | - | - | A | 
| Sodium Hyposulfate | - | A | A | - | D | - | - | D | - | - | - | - | - | - | A | - | - | - | - | - | - | - | - | - | - | - | - | - | C | - | C | C | 
| Sodium Metaphosphate2 | A | - | A | - | A | - | - | C | C | B | B | - | - | - | A | - | B | A | - | - | D | - | A | A | - | A | A | - | B | A | A | A | 
| Sodium Metasilicate | A | - | A | - | B | - | - | B | - | C | C | - | - | - | A | - | D | - | - | - | - | - | A | - | - | A | A | D | A | - | - | A | 
| Sodium Nitrate | B | A | A | A | A | A | B | B | C | A | B | A | A | B | A | A | B | A | - | B | A | - | A | A | A | D | C | D | B | A | C | A | 
| Sodium Perborate | B | - | C | - | B | - | - | C | C | B | B | - | - | - | A | A | B | A | - | - | A | - | A | A | - | A | B | D | B | A | C | A | 
| Sodium Peroxide | B | A | A | - | C | - | B | C | C | D | C | - | A | - | A | - | D | D | - | - | - | - | A | A | - | A | C | D | B | A | C | A | 
| Sodium Polyphosphate | 
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| (Mono, Di, Tribasic) | - | A | A | - | D | A | A | C | - | - | - | - | - | - | A | A | B | - | - | - | - | - | A | A | - | A | A | - | D | A | A | A | 
| Sodium Silicate | B | A | B | A | C | A | B | C | C | - | B | - | A | B | A | A | C | A | - | - | A | - | A | A | - | A | A | - | A | A | A | A | 
| Sodium Sulfate | B | A | A | C | B | A | B | B | B | A | B | - | A | - | A | A | B | A | - | B | A | A | A | A | - | A | A | - | A | A | C | A | 
| Sodium Sulfide | B | A | B | - | D | A | B | D | D | A | B | - | A | B | A | A | B | A | - | B | A | A | A | A | - | A | C | - | A | A | C | A | 
| Sodium Sulfide | - | C | C | - | C | A | A | C | - | A | - | - | A | A | A | - | - | D | - | A | - | - | A | A | - | A | A | - | A | - | A | A | 
| Sodium Tetraborate | - | - | A | - | - | - | - | - | - | - | - | - | A | - | - | A | B | - | - | - | - | - | A | A | - | A | A | - | - | - | - | A | 
| Sodium Thiosulphate (“Hypo”) | A | A | A | - | B | A | - | D | D | C | B | - | A | - | A | A | C | A | - | - | A | A | A | A | - | A | B | - | A | A | C | A | 
| Sorghum | - | A | A | - | - | - | - | - | - | A | - | - | - | - | - | - | A | A | - | - | - | - | A | A | - | A | A | - | A | - | - | A | 
| Soy Sauce | - | A | A | - | A | - | - | A | - | D | - | - | - | - | - | A | A | A | - | - | - | - | A | A | - | A | A | - | A | - | D | A | 
| Stannic Chloride | D | D | D | - | D | A | B | D | - | D | D | A | A | - | A | A | C | A | - | B | A | - | - | A | - | A | A | D | A | A | A | A | 
| Stannic Fluoborate | - | - | A | - | - | - | - | - | - | D | - | - | - | - | - | A | C | - | - | - | - | - | - | A | - | A | A | - | A | - | - | A | 
| Stannous Chloride | D | D | C | - | D | A | A | D | - | D | D | - | A | A | A | - | - | D | - | A | - | - | - | - | - | B | C | D | D | - | A | A | 
| Starch | B | A | A | - | A | - | - | B | - | C | C | - | A | - | A | A | A | A | - | B | - | - | A | A | - | A | A | - | A | - | - | A | 
| Stearic Acid2 | B | A | A | A | B | A | A | C | C | C | C | A | A | B | A | A | A | A | - | B | D | - | A | A | A | A | B | D | B | B | C | A | 
| Stoddard Solvent | A | A | A | A | A | A | A | A | A | B | B | A | A | D | A | D | A | A | B | D | D | A | A | A | - | A | B | D | D | D | D | A | 
| Styrene | A | A | A | - | A | - | - | A | - | - | A | - | - | - | A | A | A | - | - | - | - | - | A | A | - | B | D | D | D | D | D | A | 
| Sugar (Liquids) | A | A | A | A | A | - | A | A | - | B | B | - | - | - | A | A | A | A | B | - | A | - | A | A | A | A | A | - | B | - | A | A | 
| Sulfate Liquors | - | C | C | - | B | - | A | C | - | - | - | - | - | - | - | - | D | - | - | - | A | - | A | A | - | - | - | - | C | - | - | A | 
| Sulfur Chloride | - | D | D | D | D | - | - | C | D | - | - | - | A | C | A | A | D | A | - | A | D | - | A | C | - | A | D | - | D | D | D | C | 
| Sulfur Dioxide2 | - | A | A | C | A | A | B | B | - | - | - | B | D | B | A | D | B | D | D | C | D | A | A | A | - | D | D | C | B | A | D | A | 
| Sulfur Dioxide (dry) | A | A | A | - | A | - | A | A | C | A | B | - | D | - | A | - | - | A | - | D | - | - | A | A | - | D | - | - | D | - | D | D | 
| Sulfur Trioxide (dry) | A | A | C | - | A | - | - | B | - | B | B | - | A | B | A | D | D | D | - | - | - | - | B | A | - | A | D | - | D | B | C | A | 
| Sulfuric Acid (to 10%) | - | D | C | C | C | A | A | D | D | D | - | A | A | B | A | A | D | D | B | B | A | A | A | A | - | A | C | - | D | D | C | A | 
| Sulfuric Acid 10%-75%2 | - | D | D | D | D | C | B | D | D | D | - | A | A | B | A | B | D | D | B | C | A | B | A | D | C | A | D | - | D | D | D | B | 
| Sulfuric Acid 75%-100% | - | - | D | - | - | D | B | - | D | - | - | A | B | - | A | A | - | D | - | - | B | C | - | A | - | A | D | - | D | - | - | D | 
| Sulfurous Acid | C | C | B | C | C | A | B | D | - | D | D | - | A | B | A | A | D | D | - | B | A | - | B | A | - | A | C | D | B | B | C | A | 
| Sulfuryl Chloride | - | - | - | - | - | - | - | - | - | - | - | - | A | - | A | - | - | - | - | - | - | - | - | A | - | - | - | - | - | - | - | A | 
| Syrup | - | A | A | A | A | - | - | D | - | - | - | - | A | - | - | A | A | A | B | - | A | - | A | A | A | A | A | - | B | - | A | A | 
| Tallow | - | A | A | - | A | - | - | - | - | - | - | - | - | - | - | A | A | A | - | C | - | - | A | A | - | A | A | - | - | - | - | A | 
| Tannic Acid | B | A | A | A | C | A | B | B | - | C | C | A | A | B | A | A | B | D | - | B | A | - | A | A | A | A | D | C | A | A | A | A | 
| Tanning Liquors | - | A | A | - | C | A | A | A | - | - | - | - | A | B | A | - | B | - | - | - | A | - | A | A | - | A | C | - | - | - | - | A | 
| Tartaric Acid | B | A | B | B | C | A | B | A | C | D | D | A | A | B | A | A | B | A | - | B | A | - | A | A | - | A | D | C | A | - | A | A | 
| Tetrachlorethane | - | - | A | - | - | A | A | - | - | - | - | - | D | - | A | D | A | A | - | - | A | - | A | A | - | A | D | - | - | D | D | A | 
| Tetrahydrofuran | - | A | A | - | D | - | - | D | - | D | A | D | D | - | A | D | A | A | - | D | C | A | A | A | - | D | D | - | D | B | D | A | 
| Toluene, Toluol3 | A | A | A | - | A | A | A | A | A | A | A | A | D | D | A | D | A | A | D | D | D | A | A | A | A | C | D | D | D | D | D | A | 
| Tomato Juice | A | A | A | - | A | - | - | C | - | C | C | - | - | - | A | A | B | A | B | - | A | A | A | A | - | A | A | - | A | - | - | A | 
| Trichlorethane | - | C | A | - | C | A | A | C | - | C | - | - | - | - | A | D | A | - | - | - | - | - | A | A | - | A | D | D | D | D | D | A | 
| Trichlorethylene2 | B | A | A | - | B | A | A | B | A | C | B | A | D | - | A | D | A | C | D | D | D | C | A | A | C | A | D | D | D | D | D | A | 
| Trichloropropane | - | - | A | - | - | - | - | A | - | - | - | - | - | - | - | D | A | - | D | - | - | - | A | A | - | A | A | - | A | - | - | A | 
| Tricresylphosphate | - | - | A | - | - | B | A | A | - | - | - | - | D | - | A | A | C | - | - | - | - | - | A | A | - | B | D | - | D | A | - | A | 
| Triethylamine | - | - | - | - | - | - | - | A | - | - | - | - | A | - | - | B | D | - | - | - | - | - | A | A | - | A | A | D | B | - | - | A | 
| Turpentine3 | B | A | A | - | C | - | A | B | C | B | B | A | A | B | A | D | A | A | - | D | B | A | A | A | - | A | D | - | D | D | D | A | 
| Urine | - | A | A | - | B | - | - | C | - | B | - | - | A | - | - | A | A | A | - | B | A | - | A | A | - | A | A | - | D | A | - | A | 
| Vegetable Juice | - | A | A | - | A | - | - | C | - | D | - | - | - | - | - | A | A | A | - | - | - | - | A | A | - | A | A | B | D | - | D | A | 
| Vinegar | A | A | A | A | D | A | A | B | B | C | D | A | A | - | A | A | B | A | B | B | C | - | B | A | C | A | 
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| Varnish | A | A | A | A | A | - | - | A | B | - | C | - | - | - | A | D | A | A | - | - | A | - | A | A | A | A | B | C | D | - | D | A | 
| Water, Acid, Mine | - | A | A | - | C | - | - | C | D | C | - | - | A | B | - | A | D | A | B | - | A | B | A | A | - | A | A | - | B | - | B | A | 
| Water,Distilled, Lab Grade 7 | - | A | A | - | B | - | - | A | - | D | - | - | A | B | A | A | A | A | A | - | A | A | A | A | A | A | A | - | B | A | A | A | 
| Water, Fresh | A | A | A | - | A | - | - | A | C | B | D | - | A | B | A | A | A | A | A | D | A | A | A | A | A | A | A | - | B | A | A | A | 
| Water, Salt | - | A | A | - | B | - | - | B | C | D | - | - | A | B | - | A | A | A | - | - | A | A | A | A | A | A | A | - | B | A | A | A | 
| Weed Killers | - | A | A | - | C | - | - | C | - | - | - | - | - | - | - | - | A | A | - | - | - | - | A | A | - | A | B | - | C | - | - | A | 
| Whey | - | A | A | - | B | - | - | - | - | - | - | - | - | - | - | - | A | - | - | - | - | - | A | A | - | A | A | - | - | - | - | A | 
| Whiskey & Wines | A | A | A | A | D | - | - | B | B | D | D | - | A | - | A | A | A | A | - | B | A | - | A | A | - | A | A | B | A | A | A | A | 
| White Liquor (Pulp Mill) | - | A | A | - | - | - | A | D | - | C | - | - | A | - | A | A | D | A | - | - | A | - | A | A | - | A | A | - | A | - | - | A | 
| White Water (Paper Mill) | - | A | A | - | - | - | - | A | - | - | - | - | - | - | - | - | B | A | - | - | A | - | A | A | - | A | - | - | A | - | - | A | 
| Xylene2 | A | A | A | - | A | - | A | A | A | A | B | A | D | - | A | D | A | A | D | D | D | A | A | A | A | A | D | D | D | D | D | A | 
| Zinc Chloride | D | D | B | B | D | A | B | D | D | D | D | A | A | - | A | A | C | A | - | B | A | A | A | A | - | A | A | - | A | A | A | A | 
| Zinc Hydrosulphite | - | - | A | - | D | - | - | D | - | D | - | - | - | - | - | A | C | - | - | - | - | A | A | A | - | - | A | - | A | A | - | A | 
| Zinc Sulfate | B | A | A | A | D | A | B | B | C | C | D | A | C | B | A | A | C | A | - | B | A | A | A | A | - | A | A | - | A | A | C | A | 
