NAC704.7961. “Early-vintage plastic pipe” defined.

     1. “Early-vintage plastic pipe” means any natural gas pipeline which is composed of a material that the Pipeline and Hazardous Materials Safety Administration of the United States Department of Transportation has prohibited from future use as a material in newly constructed pipeline, including, without limitation:

     (a) Pipeline composed of acrylonitrile butadiene styrene, cellulose acetate butyrate, polybutylene, polyvinyl chloride or any other nonpolyethylene plastic used as a material for pipeline before January 1, 1990; and

     (b) Century Utility Products medium-density polyethylene produced after January 1, 1970, and before January 1, 1975, DuPont Aldyl A medium-density polyethylene and 3306 high-density polyethylene.

     2. The term does not include any natural gas pipeline which is composed of a material that is identified by the Pipeline and Hazardous Materials Safety Administration of the United States Department of Transportation as an acceptable material pursuant to 49 C.F.R. §§ 192.7 and 192.59.

     (Added to NAC by Pub. Utilities Comm’n by R020-13, eff. 2-26-2014)