<Li> Hazardous waste including most paints, chemicals, tires, batteries, light bulbs, electrical appliances, fluorescent lamps, aerosol spray cans, and fertilizers </Li> <Li> Toxic waste including pesticides, herbicides, and fungicides </Li> <Li> Biomedical waste, expired pharmaceutical drugs, etc . </Li> <P> The municipal solid waste industry has four components: recycling, composting, disposal, and waste - to - energy via incineration . There is no single approach that can be applied to the management of all waste streams, therefore the Environmental Protection Agency, a U.S. federal government agency, developed a hierarchy ranking strategy for municipal solid waste . The Waste Management Hierarchy is made up of four levels ordered from most preferred to least preferred methods based on their environmental soundness: Source reduction and reuse; recycling or composting; energy recovery; treatment and disposal . </P>

Which material constitutes the largest component of municipal solid waste