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  2. Percolation test - Wikipedia

    en.wikipedia.org/wiki/Percolation_test

    A percolation test (colloquially called a perc test) is a test to determine the water absorption rate of soil (that is, its capacity for percolation) in preparation for the building of a septic drain field (leach field) or infiltration basin. [1] The results of a percolation test are required to design a septic system properly.

  3. Septic drain field - Wikipedia

    en.wikipedia.org/wiki/Septic_drain_field

    A septic drain field, a septic tank, and associated piping compose a septic system. The drain field typically consists of an arrangement of trenches containing perforated pipes and porous material (often gravel ) covered by a layer of soil to prevent animals (and surface runoff ) from reaching the wastewater distributed within those trenches. [ 1 ]

  4. Mound system - Wikipedia

    en.wikipedia.org/wiki/Mound_system

    Percolation test (for the capacity of ... Testing, Diagnosis, Repair, & Problem Prevention Advice. 09/05/2007. 15 Oct 2007. ... Septic Tank - Mound System. Ohio State ...

  5. Does Oklahoma test for E. coli in-state? McDonald's outbreak ...

    www.aol.com/does-oklahoma-test-e-coli-174241595.html

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  6. Oklahoma Department of Environmental Quality - Wikipedia

    en.wikipedia.org/wiki/Oklahoma_Department_of...

    The Oklahoma Department of Environmental Quality (DEQ) is a department of the government of Oklahoma under the Governor of Oklahoma. It is responsible for protecting human health and for safeguarding the natural environment: air, water, and land. DEQ is chiefly responsible for the environmental policy of Oklahoma.

  7. Aerobic treatment system - Wikipedia

    en.wikipedia.org/wiki/Aerobic_treatment_system

    The aeration stage and the disinfecting stage are the primary differences from a traditional septic system; in fact, an aerobic treatment system can be used as a secondary treatment for septic tank effluent. [1] These stages increase the initial cost of the aerobic system, and also the maintenance requirements over the passive septic system.

  8. Septic tank - Wikipedia

    en.wikipedia.org/wiki/Septic_tank

    A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater flows for basic sewage treatment. [2] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate (referred to as "primary treatment"). [2]

  9. Oklahoma Department of Public Safety - Wikipedia

    en.wikipedia.org/wiki/Oklahoma_Department_of...

    Oklahoma Law Enforcement Telecommunications System Division - The Oklahoma Law Enforcement Telecommunications System (OLETS) is a statewide telecommunications network which serves city, county, state, federal, and military law enforcement and criminal justice agencies in Oklahoma. 800 megahertz is the DPS portion of OKWIN (800 MHz trunking ...