49 C.F.R. § 192.375 Service lines: Plastic.
Title 49 - Transportation
(a) Each plastic service line outside a building must be installed below ground level, except that— (1) It may be installed in accordance with §192.321(g); and (2) It may terminate above ground level and outside the building, if— (i) The above ground level part of the plastic service line is protected against deterioration and external damage; and (ii) The plastic service line is not used to support external loads. (b) Each plastic service line inside a building must be protected against external damage. [35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192–78, 61 FR 28785, June 6, 1996]
Title 49: Transportation
PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS
Subpart H—Customer Meters, Service Regulators, and Service Lines
§ 192.375 Service lines: Plastic.
