30 C.F.R. § 57.13017 Compressor discharge pipes.
Title 30 - Mineral Resources
Compressor discharge pipes where carbon build-up may occur shall be cleaned periodically as recommended by the manufacturer, but no less frequently than once every two years.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart L—Compressed Air and Boilers
§ 57.13017 Compressor discharge pipes.
