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.
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:
Underground storage means storage of gas in a subsurface stratum or formation of the earth.
Underground storage tank system means an underground storage tank and the connected underground piping, underground ancillary equipment, and containment system, if any.
Underground mining means all methods of mining other than surface mining.
Underground facility means any item which shall be buried or placed below ground for use in connection with the storage or conveyance of water, sewage, electronic, telephone or telegraphic communications, electric energy, oil, gas or other substances, and shall include, but not be limited to pipes, sewers, conduits, cables, valves, lines, wires, manholes, attachments and those portions of poles and their attachments below ground.
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”.)
Aboveground storage tank or “AST” means any vessel that has a liquid capacity of 110 gallons or more, is intended for fixed installation, is not solely used for processing, and does not meet the definition of an underground storage tank.
Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.
Storage tank means an aboveground storage tank or underground storage tank as defined by this Regulation.
Ground water means water below the land surface in a zone of saturation.
utility structure means transmission and distribution lines
generating plant means the generating facility described in Schedule 1 as amended from time to time;
Tank means an enclosed space which is formed by the permanent structure of a ship and which is designed for the carriage of liquid in bulk.
Parking Structure means a Building, or any part thereof, principally used for the parking of motor vehicles;
Building means any structure used or intended for supporting or sheltering any use or occupancy;
Sewer System means pipelines or conduits, pumping stations, force mains, vehicles, vessels, conveyances, injection wells, and all other constructions, devices, and appliances appurtenant thereto used for conducting sewage or industrial waste or other wastes to a point of ultimate disposal or disposal to any water of the state. To the extent that they are not subject to section 402 of the federal Water Pollution Control Act, ditches, pipes, and drains that serve only to collect, channel, direct, and convey nonpoint runoff from precipitation are not considered as sewer systems for the purposes of this part of this division.
Water surface elevation means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, or other datum, where specified, of floods of various magnitudes and frequencies in the floodplains of riverine areas.
Water Surface Elevation (WSE means the height, in relation to NAVD 1988, of floods of various magnitudes and frequencies in the floodplains of riverine areas.