This U.S. industry comprises establishments primarily engaged in operating combustors and incinerators for the disposal of nonhazardous solid waste. These establishments may produce byproducts, such as electricity and steam. Cross-References. Establishments primarily engaged in-- ? Operating treatment and/or disposal facilities for hazardous waste--are classified in U.S. Industry 562211, Hazardous Waste Treatment and Disposal; ? Operating landfills for the disposal of nonhazardous solid waste--are classified in U.S. Industry 562212, Solid Waste Landfill; ? Collecting, treating, and disposing waste through sewer systems or sewage treatment facilities--are classified in Industry 221320, Sewage Treatment Facilities; and ? Operating nonhazardous waste treatment and disposal facilities (except landfills, combustors, incinerators, and sewer systems or sewage treatment facilities)--are classified in U.S. Industry 562219, Other Nonhazardous Waste Treatment and Disposal.