Line markers for sour gas pipelines

Rule 427. In addition to the requirements set forth in 49 C.F.R.§192.707, which is adopted by reference in R 460.20606, an operator of pipeline facilities used in the transportation of sour gas shall comply with both of the following provisions:#

(a)Line markers shall be placed and maintained as close as practical over a sour gas pipeline and shall clearly identify the pipeline as a carrier of sour gas.#

(b)Where practical, at least 1 line marker shall be visible from any location on the sour gas pipeline.#

History: 2003 AACS.#