44 Pollution and Waste Control Equipment
44.60.00 Waste Thermal Processing Equipment
44.61.00 Waste-to-Energy Plants 44.62.00 Fluidized Bed Combustion Equipment 44.63.00 Rotary Kiln Incinerators 44.64.00 Gasification Equipment 44.65.00 Pyrolysis Equipment 44.66.00 Hazardous Waste and Medical Waste Incinerators 44.67.00 Heat Recovery Equipment for Waste Thermal Processing 44.68.00 Synthesis Gas Cleanup and Handling Equipment