This document discusses solid waste management. It defines solid waste as garbage, refuse, and other discarded materials from homes, businesses, and industries. Solid waste is classified into three main categories: urban/municipal waste, hazardous waste, and biomedical waste. Urban waste comes from residential and commercial areas and includes biodegradable items like food waste as well as non-biodegradable plastics and metals. Hazardous waste is ignitable, corrosive, reactive, or toxic, and includes items like batteries, pesticides, and electronics. Biomedical waste from hospitals can be infectious or contaminated and requires special handling. The document outlines various methods for managing these different types of solid waste, like composting