[CHEMICALS AND CHEMICAL COMPOSITIONS-NAMELY, SODIUM CARBONATE, CAUSTIC SODA, SODIUM BICARBONATE, SODIUM SESQUICARBONATE, POTASSIUM CARBONATE, POTASSIUM HYDROXIDE, AMMONIUM CHLORIDE, CALCIUM CHLORIDE, HYDROCHLORIDE ACID, SILICA GEL, SODIUM BICHROMATE, SODIUM CHROMATE, CHROMIC ACID, SODIUM TRIPOLYPHOSPHATE, MAGNESIUM HYDROXIDE, MAGNESIUM CHLORIDE, CHLORIDE, EPICHLOROHYDRIN, PROPYLENEGLYCOL, CARBON TETRACHLORIDE, TRICHORLOETHYLENE, PERCHLOROETHYLENE, METHYLENE CHLORIDE, AND FLUORINATED HYDROCARB...