Natural filter definition

Natural filter means the material adjacent to the screens in Type II wells which is part of the screened formation and which is relatively free of fine-grained material as a result of well development.

Examples of Natural filter in a sentence

  • Natural filter facilities can be sized using one of two methods: a simple sizing method or a hydrologic routing modeling method.

  • Natural filter for them can be soil, however with support for the purification process performed by the vegetation.

  • Natural filter packs may be used in caving formations provided that the native materials do not have significant levels of fines that may accumulate within the well screens.

  • This is followed by reading, the key activity that develops the understanding”.

  • Natural filter projects offer a means of reducing nitrogen, phosphorus, and sediment loads into the Chesapeake Bay.

  • The scope of the review covered the roles and responsibilities for raising recharges, administration and debt collection.

  • Natural filter pollution reduction efficiencies differ by region and land use change Best Management PracticePollution Reduction Range (%) Efficiency values often differ between pollutants because nitrogen and phosphorus traverse through the environment via different pathways.

  • Like a facial pack, masoor dal immerses itself in all dirt and removes dirt by removing it gently.[18] Natural filter Exfoliation is a necessary step in skin care, even if it is excessive or completely overlooked.

  • Natural filter materials might include: silica sand, grit marble, crushed granite, diatomite, anthracite, zeolite, pyrolusite.

Related to Natural filter

  • Conventional filtration treatment means a series of processes including coagulation, flocculation, sedimentation, and filtration resulting in substantial particulate removal.

  • international air transport means air transport that passes through the airspace over the territory of more than one State;

  • Drywell means an unlined or partially lined underground pit (regardless of geometry) into which drainage from roofs, basement floors, water softeners or other non-wastewater sources is discharged and from which the liquid seeps into the surrounding soil.

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.

  • Natural resources means all land, fish, shellfish, wildlife, biota,

  • Natural Resource or “Natural Resources” shall mean land, fish, wildlife, biota, air, water, ground water, drinking water supplies, and other such resources, belonging to, managed by, held in trust by, appertaining to, or otherwise controlled by the United States or the State.

  • International air transportation means transportation by air between a place in the United States and a place outside the United States or between two places both of which are outside the United States.

  • Floodplain or flood-prone area means any land area susceptible to being inundated by water from any source (see definition of “flood”).

  • Expansion to an existing manufactured home park or subdivision means the preparation of additional sites by the construction of facilities for servicing the lots on which the manufactured homes are to be affixed (including the installation of utilities, the construction of streets, and either final site grading or the pouring of concrete pads).