[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR22.0] [Page 132] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 22--PORTABLE METHANE DETECTORS--Table of Contents Sec. 22.0 Compliance with the requirements necessary for obtaining approval. To receive approval of MSHA for any portable methane detectors a manufacturer must comply with the requirements specified in this part.