220 CMR, § 107.02
For the purposes of 220 CMR 107.00, the following definitions apply:
Abandoned. The status of a service line where each of the following steps have been taken:
(a) The service line is disconnected or cut off at or as close as practical to the main;
(b) Any opening in the main or the open end of the segment of the service line left thereto is sealed;
(c) The service line is purged of gas, except when the volume of gas is so small that there is no potential hazard; and
(d) The open end of the disconnected service line near the main and traversing to the premises is sealed.
Department. Department of Public Utilities, Commonwealth of Massachusetts.
Distribution Line. A gas pipeline, other than a gas-gathering or transmission line, that is normally used by utilities for the transportation of natural gas and/or other flammable gas to customers.
Inactive Service Line. A service line where gas service to the customer has been discontinued, but the service line has not been abandoned.
Main. A distribution line that serves as a common source of supply for more than one service line.
Operator. A person who engages in the transportation of gas.
Person. Any individual, firm, joint venture, partnership, corporation, association, state agency, municipality, municipal department, cooperative association, or joint stock association, and includes any trustee, receiver, assignee, or personal representative thereof.
Pipe. Any pipe or tubing used in the transportation of gas, including pipe-type holders.
Pipeline. All parts of those physical facilities through which gas moves in transportation including pipe valves and other appurtenances attached to pipe, compressor units, metering stations, regulator stations, delivery stations, holders and fabricated assemblies.
Purge. The act of removing flammable gas from a distribution line and replacing it with a noncombustible gas.
Service Line. A distribution line that transports gas from a common source of supply to an individual customer, to two adjacent or adjoining residential or small commercial customers, or to multiple residential or small commercial customers served through a meter header or manifold. A service line ends:
(a) at the outlet of the customer meter or at the connection to a customer's piping, whichever is further downstream; or
(b) at the connection to customer piping if there is no meter.
220 CMR, § 107.02