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v. t. e. A landfill[a] is a site for the disposal of waste materials. It is the oldest and most common form of waste disposal, although the systematic burial of waste with daily, intermediate and final covers only began in the 1940s. In the past, waste was simply left in piles or thrown into pits (known in archeology as middens).
Waste can either be solid, liquid, or gases and each type has different methods of disposal and management. Waste management deals with all types of waste, including industrial, biological, household, municipal, organic, biomedical, radioactive wastes. In some cases, waste can pose a threat to human health. [2]
Soil contamination, soil pollution, or land pollution as a part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment. It is typically caused by industrial activity, agricultural chemicals or improper disposal of waste. The most common chemicals involved are ...
The Solid Waste Disposal Act (SWDA) is an act passed by the United States Congress in 1965. [1] The United States Environmental Protection Agency described the Act as "the first federal effort to improve waste disposal technology". [2] After the Second Industrial Revolution, expanding industrial and commercial activity across the nation ...
Waste can be hazardous because it is toxic, reacts violently with other chemicals, or is corrosive, among other traits. [1] As of 2022, humanity produces 300-500 million metric tons of hazardous waste annually. [2] Some common examples are electronics, batteries, and paints. An important aspect of managing hazardous waste is safe disposal.
The U.S. Army Corps of Engineers is managing removal of low-level radioactive soil from Lewiston, New York, a legacy of the Manhattan Project, the secret government project to develop atomic bombs.
An art installation created with plastic bottles and other non-biodegradable waste. Waste (or wastes) are unwanted or unusable materials. Waste is any substance discarded after primary use, or is worthless, defective and of no use. A by-product, by contrast is a joint product of relatively minor economic value.
Industrial waste may pollute the nearby soil or adjacent water bodies, and can contaminate groundwater, lakes, streams, rivers or coastal waters. [1] Industrial waste is often mixed into municipal waste, making accurate assessments difficult. An estimate for the US goes as high as 7.6 billion tons of industrial waste produced annually, as of 2017.
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