1 Chlorinated chemicals, namely, stabilized perchloroethylene for use in the manufacture of industrial precision cleaning compounds, in textile and material processing, and in printing and refrigeration compounds; halogenated chemical solvents, namely, solvents for industrial metal cleaning, metal degreasing, metal pickling and metal drying; industrial cleaning solvents for textiles; solvents for oil and fat extraction and for degreasing bones, wool, leather and skin; solvents for removing natural oils, waxes and lubricants from textiles; chemical testing reagents for measuring the acid acceptance value of solvents and the temperature of solvents and oil mixes in the sumps of solvent plant apparatus