Rule 418. In addition to the requirements set forth in 49 C.F.R.§192.485, which is adopted by reference in R 460.20606, an operator of pipeline facilities used in the transportation of sour gas shall remove from service and replace every segment of a pipeline that has general corrosion resulting in a remaining wall thickness less than that required for the MAOP of the pipeline.
Mich. Admin. Code R. 460.20418