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  2. Solid waste policy of the United States - Wikipedia

    en.wikipedia.org/wiki/Solid_waste_policy_of_the...

    Solid Waste Tree, Based on Resource Conservation and Recovery Act, United States Environmental Protection Agency. Solid waste means any garbage or refuse, sludge from a wastewater treatment plant, water supply treatment plant, or an air pollution control facility and other discarded material, including solid, liquid, semi-solid, or contained gaseous material resulting from industrial ...

  3. Landfill Directive - Wikipedia

    en.wikipedia.org/wiki/Landfill_Directive

    The Directive is applicable to all waste disposal sites and divides them into three classes: [3] landfills for hazardous waste; landfills for non-hazardous waste; landfills for inert waste; Waste disposal into landfills is restricted by banning certain waste types, which may pose a risk. The following wastes may not be disposed of in a landfill ...

  4. San Francisco Mandatory Recycling and Composting Ordinance

    en.wikipedia.org/wiki/San_Francisco_Mandatory...

    The roots of San Francisco's recycling and composting program can be traced back to the formation of the Scavengers Protective Union in 1879, when loose federations of scavengers began. Most were Italian immigrants from one region of Italy and they hauled municipal waste in horse-drawn wagons and hand-separated valuable discards for resale.

  5. Sanitation - Wikipedia

    en.wikipedia.org/wiki/Sanitation

    Sanitation technologies may involve centralized civil engineering structures like sewer systems, sewage treatment, surface runoff treatment and solid waste landfills. These structures are designed to treat wastewater and municipal solid waste. Sanitation technologies may also take the form of relatively simple onsite sanitation systems.

  6. Landfill - Wikipedia

    en.wikipedia.org/wiki/Landfill

    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).

  7. Uncontrolled waste - Wikipedia

    en.wikipedia.org/wiki/Uncontrolled_waste

    Uncontrolled waste is a group of waste types that do not fall into either the controlled, special or hazardous waste categories, such as specific mining wastes and agricultural wastes. This should not be confused with an alternative definition of uncontrolled waste that refers to improper waste disposal.