As used in this act:
"Department" means the Department of Environmental Protection;
"Federal act" means the "Hazardous Liquid Pipeline Safety Act of 1979," 49 U.S.C. s.2001 et seq.;
"Hazardous liquid" means a hazardous liquid as defined pursuant to the federal act;
"Intrastate pipeline facilities" means pipeline facilities that a state may regulate pursuant to the federal act;
"Leak detection system" means a system consisting of sensing devices or monitoring devices capable of detecting leaks in pipeline facilities and designed to automatically shut off flow or initiate procedures to shut off flow in a pipeline facility if a leak is detected;
"Pipeline facility" means new and existing pipe, rights-of-way, and any equipment, facility, or building used or intended for use in the transportation of hazardous liquids that are intrastate;
"Secondary containment" means an additional layer of impervious material creating a space around a pipeline facility wherein a leak of a hazardous liquid from a pipeline facility may be detected before it enters the environment;
"Transportation of hazardous liquids" means the movement of hazardous liquids by pipeline, or their storage incidental to that movement.