Areawide groundwater contamination definition

Areawide groundwater contamination means groundwater
Areawide groundwater contamination means groundwater contamination on multiple adjacent properties with different ownerships consisting of hazardous substances from multiple sources that have resulted in commingled plumes of contaminated groundwater that are not practicable to address separately.

Related to Areawide groundwater contamination

  • Groundwater means all water, which is below the surface of the ground in the saturation zone and in direct contact with the ground or subsoil.

  • Soil means all unconsolidated mineral and organic material of any origin.

  • Contaminated soil means soil that meets all of the following criteria:

  • Hazardous Materials Contamination means contamination (whether now existing or hereafter occurring) of the improvements, buildings, facilities, personalty, soil, groundwater, air or other elements on or of the relevant property by Hazardous Materials, or any derivatives thereof, or on or of any other property as a result of Hazardous Materials, or any derivatives thereof, generated on, emanating from or disposed of in connection with the relevant property.

  • 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.

  • Contaminate means the addition of sediment, any other pollutant or waste, or any illicit or prohibited discharge.

  • Decontamination means a process that attempts to remove or reduce to an acceptable level a contaminant exceeding an allowable threshold set forth in these Rules in a harvest batch or production batch.

  • Contaminated site means a site where there is a confirmed presence, caused by man, of hazardous substances of such a level that they pose a significant risk to human health or the environment taking into account current and approved future use of the land;

  • Environmental Contamination means the introduction or presence of Hazardous Materials at such levels, quantities or location, or of such form or character, as to constitute a violation of federal, state or local laws or regulations, and present a material risk under federal, state or local laws and regulations that the Premises will not be available or usable for the purposes contemplated by this Agreement.

  • Existing Contamination means any Contamination present on, or under, the Site as of the execution date of this Contract.

  • Contaminated means the actual existence on or under any real property of Hazardous Substances, if the existence of such Hazardous Substances triggers a requirement to perform any investigatory, remedial, removal or other response action under any Environmental Laws or if such response action legally could be required by any governmental authority; "Facility" means any property currently owned, leased or occupied by the Company.

  • Controlled dangerous substance means a drug, substance, or

  • Hazardous Substance Activity means any activity, event, or occurrence involving a Hazardous Substance, including, without limitation, the manufacture, possession, presence, use, generation, transportation, treatment, storage, disposal, Release, threatened Release, abatement, removal, remediation, handling of or corrective or response action to any Hazardous Substance.

  • Geologically hazardous areas means areas that because of their susceptibility to erosion, sliding, earthquake, or other geological events, are not suited to the siting of commercial, residential, or industrial development consistent with public health or safety concerns.

  • Hazardous Substances means any toxic or hazardous substances, materials, wastes, contaminants or pollutants, including asbestos, PCBs, petroleum products and byproducts, and any substances defined or listed as "hazardous substances," "hazardous materials," "hazardous wastes" or "toxic substances" (or similarly identified), regulated under or forming the basis for liability under any applicable Environmental Law.

  • Lead-contaminated dust means surface dust that contains an area or mass concentration of lead at or in excess of levels identified by the Environmental Protection Agency pursuant to § 403 of TSCA (15 U.S.C. § 2683).

  • Underground storage means storage of hazardous liquid in a subsurface stratum or formation of the earth.

  • Underground storage tank or “UST” means any one or combination of tanks (including underground pipes connected thereto) that is used to contain an accumulation of regulated substances, and the volume of which (including the volume of underground pipes connected thereto) is 10 percent or more beneath the surface of the ground. This term does not include any:

  • Hazardous substance UST system means an UST system that contains a hazardous substance defined in section 101(14) of the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (but not including any substance regulated as a hazardous waste under subtitle C) or any mixture of such substances and petroleum, and which is not a petroleum UST system.

  • Dangerous Substances means a substance or article described in regulation 3 of the Dangerous Substances Regulations;

  • Subsurface tracer study means the release of a substance tagged with radioactive material for the purpose of tracing the movement or position of the tagged substance in the well-bore or adjacent formation.

  • Computer contaminant means any set of computer instructions that are designed—

  • Underground area means an underground room, such as a basement, cellar, shaft or vault, providing enough space for physical inspection of the exterior of the tank situated on or above the surface of the floor.

  • Underground tank means a device meeting the definition of tank whose entire surface area is totally below the surface of and covered by the ground.

  • Dangerous Substance means any radioactive emissions and any natural or artificial substance (whether in solid or liquid form or in the form of a gas or vapour and whether alone or in combination with any other substance) which, taking into account the concentrations and quantities present and the manner in which it is being used or handled, it is reasonably foreseeable will cause harm to man or any other living organism or damage to the Environment including any controlled, special, hazardous, toxic, radioactive or dangerous waste.

  • Underground injection means the subsurface emplacement of fluids through a bored, drilled or driven well; or through a dug well, where the depth of the dug well is greater than the largest surface dimension. (See also “injection well”.)