ASTM F2350-04(2010) PDF

1.1 This practice specifically addresses the criteria for determining the suitability of natural gas pipelines for use as conduits for optical fiber cable systems, as opposed to standards for the operation and maintenance of such a system.

1.2 This practice does not apply to natural gas transmission lines.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.