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2. Septic tank - Wikipedia

   en.wikipedia.org/wiki/Septic_tank

   Groundwater pollution, water pollution e.g. during floods [ 1 ] A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater (sewage) flows for basic sewage treatment. [ 2 ] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate ...

3. Drum (container) - Wikipedia

   en.wikipedia.org/wiki/Drum_(container)

   Drum (container) A typical 208.2-litre (55 US or 44 imp gal) tight head drum. Low level nuclear waste in open head steel drums. A drum (also called a barrel) is a cylindrical shipping container used for shipping bulk cargo. Drums can be made of steel, dense paperboard (commonly called a fiber drum), or plastic, and are generally used for the ...

4. Mound system - Wikipedia

   en.wikipedia.org/wiki/Mound_system

   A mound system is an engineered drain field for treating wastewater in places with limited access to multi-stage wastewater treatment systems. Mound systems are an alternative to the traditional rural septic system drain field. They are used in areas where septic systems are prone to failure from extremely permeable or impermeable soils, soil ...

5. 55-gallon drum - Wikipedia

   en.wikipedia.org/?title=55-gallon_drum&redirect=no

   This page was last edited on 18 September 2014, at 21:08 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike License 4.0; additional terms may apply.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Imhoff tank - Wikipedia

   en.wikipedia.org/wiki/Imhoff_tank

   The Imhoff tank, named for German engineer Karl Imhoff (1876–1965), is a chamber suitable for the reception and processing of sewage. It may be used for the clarification of sewage by simple settling and sedimentation, along with anaerobic digestion of the settled sludge. [1] It consists of an upper chamber in which sedimentation takes place ...