6 WATER CONDITIONING CHEMICALS FOR CONTROL OF CORROSION, DEPOSITS AND FORMING IN BOILER FEEDWATER, COOLING WATER, SECONDARY RECOVERY AND DISPOSAL SEWERS, RAILROADS, AND ALL TYPES OF PROCESS WATER SYSTEMS; CORROSION INHIBITORS FOR COOLING WATERS, BOILER WATERS, MUNICIPAL WATER SYSTEMS, FOR OIL FIELD AND REFINERY HYDROCARBON SYSTEMS; FUEL OIL STABILIZERS FOR PREVENTION OF SLUDGE AND GUM FORMATION, COLOR DEGRADATION, AND INHIBITION OF CORROSION IN RESIDUAL AND DISTILLATE FUELS; COMBUSTION CHEMICALS FOR IMPROVED COMBUSTION, CONTROL OF SOOT AND SLAG IN COAL AND OIL FIRED BOILERS; PAPER PROCESS CHEMICALS FOR FIBER AND FILLER RETENTION, WHITE WATER CLARIFICATION, FOR WIRE LIFE EXTENSION, FOR CONTROL OF FOAM AND PITCH; AND ANTIFOAM CHEMICALS FOR MANUFACTURERS OF PAINTS AND PAPER, FOR PROCESSORS OF SUGAR BEETS, AND RUBBER, FOR CONTROL OF FOAM IN ANY LIQUID PROCESSING