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Ionization Removal of an electron from an atom or molecule. The process of <br />producing ions. The electrically charged particles produced by high-energy <br />radiation, such as light or ultraviolet rays, or by the collision of particles <br />during thermal agitation. <br />Magnetic Field ("MF") The region in which the magnetic forces created by a permanent magnet or <br />by a current -carrying conductor or coil can be detected. The field that is <br />produced when current flows through a conductor or antenna. <br />Mitigate To lessen the severity of or alleviate the effects of. <br />Neutral to Earth The term NEV is used to describe a measurable level of voltage which may <br />Voltage ("NEV') occur between a metal object and the adjacent floor or earth. <br />Oxide A compound of oxygen with one other more positive element or radical. <br />Ozone A form of oxygen in which the molecule is made of three atoms instead of <br />the usual two. <br />Raptor <br />A member of the order Falconiformes, which contains the diurnal birds of <br />prey, such as the hawks, harriers, eagles, and falcons. <br />Sediment <br />Material deposited by water, wind, or glaciers. <br />Stray Voltage <br />A condition that can occur on the electric service entrances to structures <br />from distribution lines, not transmission lines. More precisely, stray voltage <br />is a voltage that exists between the neutral wire of the service entrance and <br />grounded objects in buildings such as barns and milking parlors. <br />Transmission lines do not, by themselves, create stray voltage because they <br />do not connect to businesses or residences. Transmission lines, however, <br />can induce stray voltage on a distribution circuit that is parallel to and <br />immediately under the transmission line. <br />Substation <br />A substation is a high voltage electric system facility. It is used to switch <br />generators, equipment, and circuits or lines in and out of a system. It also is <br />used to change AC voltages from one level to another. Some substations <br />are small with little more than a transformer and associated switches. <br />Others are very large with several transformers and dozens of switches and <br />other equipment. <br />Ultraviolet Radiation <br />A portion of the electromagnetic spectrum with wavelengths shorter than <br />visible light. <br />Voltage Electric potential or potential difference expressed in volts. A unit of <br />electrical pressure, electric potential or potential difference expressed in <br />volts. The term used to signify electrical pressure. Voltage is a force that <br />causes current to flow through an electrical conductor. The voltage of a <br />circuit is the greatest effective difference of potential between any two <br />conductors of the circuit. <br />Voltage Drop The difference in voltage between two points; it is the result of the loss of <br />electrical pressure as a current flows through a resistance. <br />Waterfowl A bird that frequents water; especially a swimming game bird (as a duck or <br />goose) as distinguished from an upland game bird or shorebird. <br />Wetland Wetlands are areas that are periodically or permanently inundated by surface <br />or ground water and support vegetation adapted for life in saturated soil. <br />Wetlands include swamps, marshes, bogs and similar areas. <br />Orono Project June 7, 2011 <br />MPUC Docket No. E002/TL-11-223 75 <br />