Nonaqueous phase liquid definition

Nonaqueous phase liquid or “NAPL” means a hazardous substance that is present in the soil, bedrock, groundwater, or surface water as a liquid not dissolved in water. The term includes both light nonaqueous phase liquid (LNAPL) and dense nonaqueous phase liquid (DNAPL).
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Nonaqueous phase liquid. [NAPL] means a liquid that exists as a separate, immiscible phase when in contact with water.
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Nonaqueous phase liquid. [NAPL] means a liquid that does not dissolve in water and forms a separate physical density phase from water.
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Examples of Nonaqueous phase liquid in a sentence

  • Non-aqueous phase liquid shall not be present floating atop of or immersed within ground water, as can be reasonably measured.

  • Nonaqueous phase liquid dissolution and soil organic matter sorption in porous media: Review of system simlarities.

  • Permeability describes the capacity of Nonaqueous phase liquid Water SandNonaqueous phase liquid and water sharing pore space in sand(Wilson et al., 1990)DNAPL pools, groundwater and vapor plumes, and matrix storage in a heterogeneous setting.a porous media to transmit fluids.

  • Consequently, to establish a potable ground water cleanup level under the regulation, the cleanup level calculated using the worksheet may need to be manually adjusted to account for the following: • Concentrations based on potential surface water impacts (see WAC 173-340- 720(4)(b)(ii) and (5)(b)(ii));• Nonaqueous phase liquid (NAPL) limitation (see WAC 173-340-720(7)(d)); and• Total site risk (see WAC 173-340-720(7)(a)).

  • Non-aqueous phase liquid (NAPL) was noted atop groundwater in BH25.

  • Non-aqueous phase liquid was not observed in any well during the gauging event.

  • And as part of that broader educational initiative, we’re working on creating a medical-legal partnership to help serve that, so, obviously this takes up a lot of my time during the day.

  • Nonaqueous phase liquid (NAPL) A liquid solution that does not mix easily with water.

  • With the first trial, there was a lot of analysis carried out with Leeds University in terms of calorific value etc.

  • Non-aqueous phase liquid (NAPL) has been observed in some soil borings which likely influenced the measurement of the maximum soil concentration (as discussed in Section 2.3.2).


More Definitions of Nonaqueous phase liquid

Nonaqueous phase liquid and “NAPL” each means oil and/or hazardous material that is present in the environment as a continuous separate phase as measured in a groundwater monitoring well or otherwise observed in the environment.
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Related to Nonaqueous phase liquid

  • noxious liquid substance means any substance designated in Appendix II to this Annex or provisionally assessed under the provisions of Regulation 3(4) as falling into Category A, B, C or D.

  • Flammable liquid means any liquid that has a flash point of seventy degrees Fahrenheit, or less, as determined by a tagliabue or equivalent closed cup test device.

  • Hazardous liquid means crude oil, refined petroleum products, liquefied petroleum gases, anhydrous ammonia, liquid fertilizers, liquefied carbon dioxide, alcohols, and coal slurries.

  • Insecticide fogger means any insecticide product designed to release all or most of its content, as a fog or mist, into indoor areas during a single application.