Infrared gas space heater means a gas space heater that directs a substantial amount of its energy output in the form of infrared energy into the area to be heated.
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 area means any location, facility, or vehicle which is used to store, to transport, or to secure a radiographic exposure device, a storage container, or a sealed source when it is not in use and which is locked or has a physical barrier to prevent accidental exposure, tampering with, or unauthorized removal of the device, container, or source.
Ethanol blended gasoline means the same as defined in section 214A.1.
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.
Gas means any mixture of hydrocarbons and noncombustible gases in a gaseous state consisting primarily of methane.
Operating pressure means the pressure at which the parts of an irrigation system are designed by the manufacturer to operate.
Natural area means an area of the rural or non-urban environment which is in an unspoilt natural state or is of high scenic value, and includes, but is not limited to, national parks, game reserves, nature reserves, marine reserves, wilderness areas, areas of extensive agriculture and scenic areas;
drainage work means any watercourse and includes any land which is expected to provide flood storage capacity for any watercourse and any bank, wall, embankment or other structure, or any appliance, constructed or used for land drainage or flood defence;
Open space means undeveloped land, a naturally landscaped area, or a formal or man-made landscaped area that provides a connective link or a buffer between other resources.
Interconnection Feasibility Study means either a Generation Interconnection Feasibility Study or Transmission Interconnection Feasibility Study.