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2. Marine sanitation device - Wikipedia

   en.wikipedia.org/wiki/Marine_Sanitation_Device

   A marine sanitation device (MSD) is a piece of machinery or a mechanical system that is dedicated to treat, process, and/or store raw, untreated sewage that can accumulate onboard water vessels. It does not refer to portable devices such as portable toilets.

3. Oily water separator (marine) - Wikipedia

   en.wikipedia.org/wiki/Oily_water_separator_(marine)

   This page refers exclusively to oily water separators aboard marine vessels. They are found on board ships where they are used to separate oil from oily waste water such as bilge water before the waste water is discharged into the environment. These discharges of waste water must comply with the requirements laid out in Marpol 73/78. [1]

4. Regulation of ship pollution in the United States - Wikipedia

   en.wikipedia.org/wiki/Regulation_of_ship...

   The act imposes management requirements on generators, transporters, and persons who treat or dispose of hazardous waste. Under this act, a waste is hazardous if it is ignitable, corrosive, reactive, or toxic, or appears on a list of about 100 industrial process waste streams and more than 500 discarded commercial products and chemicals ...

5. Onsite sewage facility - Wikipedia

   en.wikipedia.org/wiki/Onsite_sewage_facility

   The primary mechanism of biological waste recycling in the natural environment is performed by other organisms such as animals, insects, soil microorganisms, plants, and fungi, which consume all available nutrients in the waste, leaving behind fully decomposed solids that become part of topsoil, and pure drinking water that has been stripped of everything that can possibly be consumed and ...

6. In-vessel composting - Wikipedia

   en.wikipedia.org/wiki/In-vessel_composting

   In-vessel composting generally describes a group of methods that confine the composting materials within a building, container, or vessel. [1] In-vessel composting systems can consist of metal or plastic tanks or concrete bunkers in which air flow and temperature can be controlled, using the principles of a "bioreactor".

7. Cesspit - Wikipedia

   en.wikipedia.org/wiki/Cesspit

   In the UK, a cesspit is a closed tank for the reception and temporary storage of sewage; in North America, this is simply referred to as a "holding tank".Because it is sealed, the tank must be emptied frequently – on average every 6 weeks [2] – but frequency varies a great deal and can be as often as weekly or as rarely as quarterly.