What are the various types of solid waste?
• Household waste: it consists of household wastes such as paper, plastics, metals, organic wastes, etc. It may also include waste from residential and commercial complexes as well as wastes from streets. Eg.- newspaper, cardboards, glass and plastic bottles and containers, aluminium cans, organic wastes such as vegetable residues, spent tea leaves, etc. • Industrial or hazardous waste: all wastes generated in industries and factories. They are considered hazardous as they contain toxic substances. Coal ash, blast furnace slag, strontium from batteries, reactive chemicals, corrosives such as acids, etc. • Biomedical or hospital wastes: it consists of waste generated during diagnosis, treatment or immunization of human beings and animals or in research activities done in this process. Some examples are cotton swabs contaminated with blood or body fluids, instruments used during diagnosis or treatment such as syringes, needles, sharps, etc., laboratory wastes and glassware, radioactive w