Reference Terms
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Septic tank

A septic tank is part of a small scale sewage treatment system often referred to as a septic system, which consists of the tank itself and a septic drain field.

Note:   The above text is excerpted from the Wikipedia article "Septic tank", which has been released under the GNU Free Documentation License.
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Earth & Climate News
February 11, 2016

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updated 12:56 pm ET