Percolation definition

Percolation means the downward movement of water or liquids through the pores or spaces of material or soil.
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Percolation means the generally vertical movement of water through soil or other unconsolidated medium to the water table and to lower aquifers where occurring.
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Percolation means the ability of a soil to absorb water. Typically measured by a Standard Percolation Test in units of minute per inch.
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Examples of Percolation in a sentence

  • Percolation tests or soil profile test pit excavations must be performed at the proposed infiltrative surface depth.

  • Sizing reductions for higher level treatment systems are achieved through increased LTAR’s provided in Table 10-1 Table 10-1 Soil Treatment Area Long-term Acceptance Rates by Soil Texture, Soil Structure, Percolation Rate and Treatment Level NOTE: Shaded areas require system design by a professional engineer.

  • Winter ground water monitoring to establish highest annual ground water levels and Percolation testing to BRE 365, or similar approved, will be required to support the design of any Infiltration drainage.

  • Galenicals: Definition, equipment for different extraction processes like infusion, Decoction, Maceration and Percolation, methods of preparation of spirits, tinctures and extracts.

  • Percolation test holes shall be 4 to 12 inches in diameter and to the same depth as the proposed absorption trenches (not to exceed 36 inches in depth).

  • Percolation losses from the pond shall not exceed one-eighth inch (1/8") per day to prevent groundwater contamination or nuisance conditions.

  • Percolation rates of less than one inch per 60 minutes (60 MPI) may be granted as a waiver or for alternative systems.

  • Percolation tests shall be in accordance with Title 5 of the Commonwealth of Massachusetts State Environmental Code.

  • Example: Four Bedroom home with Percolation Rate of 20 minutes/inch and 2 feet of separation from water table, bed configuration.

  • Percolation tests may be performed at any time of the year provided the soil to be tested is below the frozen soil layer.


More Definitions of Percolation

Percolation means the movement of water through the soil to the groundwater table.
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Percolation means the flow or trickling of a liquid downward through a contact or filtering medium.
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Percolation means the flow or trickling of a liquid downward through a contact or filtering medium. The liquid may or may not fill the pores of the medium.
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Percolation means something else; "injection" means
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Percolation. , in respect of Petroleum, means Petroleum which springs from the surface, naturally, through natural pipelines;
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Percolation means the movement of water through soil.
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Related to Percolation

  • Percolation test means a subsurface soil test at the depth of a proposed absorption system or similar component of an OWTS to determine the water absorption capability of the soil, the results of which are normally expressed as the rate at which one inch of water is absorbed. The rate is expressed in minutes per inch.

  • Isolation means a behavior management technique in which a student is placed alone in an enclosed space from which the student is not prevented from leaving.

  • chemical tanker means a ship constructed or adapted and used for the carriage in bulk of any liquid product listed in chapter 17 of the International Bulk Chemical Code;

  • Invasive plant species means species of plants not historically found in California that spread outside cultivated areas and can damage environmental or economic resources. Invasive species may be regulated by county agricultural agencies as noxious species. Lists of invasive plants are maintained at the California Invasive Plant Inventory and USDA invasive and noxious weeds database.

  • Fluoroscopic imaging assembly means a subsystem in which X-ray photons produce a visual image. It includes the image receptor(s) such as the image intensifier and spot-film device, electrical interlocks, if any, and structural material providing linkage between the image receptor and diagnostic source assembly.

  • Flocculation means a process to enhance agglomeration or collection of smaller floc particles into larger, more easily settleable particles through gentle stirring by hydraulic or mechanical means.

  • Greenhouse means a structure covered with transparent or translucent materials for the purpose of admitting natural light and controlling the atmosphere for growing horticultural products. Greenhouse does not include a structure primarily used to grow marihuana.

  • Baseline means the “Initial Small Business Lending Baseline” set forth on the Initial Supplemental Report (as defined in the Definitive Agreement), subject to adjustment pursuant to Section 3(a).

  • Density means the permitted number of dwelling units per

  • Covered Species means the species for which the Bank has been established and for which Credits have been allocated as set forth in Exhibit F-1.

  • Sexual penetration means vaginal intercourse, cunnilingus, fellatio, or anal intercourse between persons or insertion of the hand, finger, or object into the anus or vagina either by the actor or upon the actor's instruction. The depth of insertion shall not be relevant to the question of commission of the crime;

  • Coagulation means a process using coagulant chemicals and mixing by which colloidal and suspended materials are destabilized and agglomerated into flocs.

  • Particulate matter emissions (PM) means the mass of any particulate material from the vehicle exhaust quantified according to the dilution, sampling and measurement methods as specified in this UN GTR.

  • Hydraulic fracturing means the fracturing of underground rock formations, including shale and non-shale formations, by manmade fluid-driven techniques for the purpose of stimulating oil, natural gas, or other subsurface hydrocarbon production.

  • Permeability of a space means the ratio of the volume within that space which is assumed to be occupied by water to the total volume of that space.

  • Solids means the nonvolatile portion of the coating that after drying makes up the dry film.

  • Aquatic invasive species means any invasive, prohibited,

  • Vegetation means trees, shrubs, nursery stock and other vegetation and includes the limbs or growth of any Vegetation.

  • Grading means the movement or redistribution of the soil, sand, rock, gravel, sediment, or other material on a site in a manner that alters the natural contour of the land.

  • Greenhouse gases (GHGs) means the aggregate group of six greenhouse gases: carbon dioxide, nitrous oxide, methane, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride.

  • Invasive species means an alien species whose introduction does or is likely to cause economic or environmental harm or harm to human health.

  • Encapsulation means the application of an encapsulant.

  • Infiltration rate means the rate of water entry into the soil expressed as a depth of water per unit of time (e.g., inches per hour).

  • Underground storage tank system means an underground storage tank and the connected underground piping, underground ancillary equipment, and containment system, if any.

  • Gasification means the substoichiometric oxidation or steam reformation of a substance to produce a gaseous mixture containing two or more of the following: (i) oxides of carbon; (ii) methane; and (iii) hydrogen;

  • Contamination means the presence of, or Release on, under, from or to the environment of any Hazardous Substance, except the routine storage and use of Hazardous Substances from time to time in the ordinary course of business, in compliance with Environmental Laws and with good commercial practice.