[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: 30CFR74.11] [Page 447] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 74--COAL MINE DUST PERSONAL SAMPLER UNITS--Table of Contents Sec. 74.11 Withdrawal of certification. Any certificate of approval issued under the regulations in this part may be revoked for cause by the Institute or MSHA which issued the certificate. [37 FR 26712, Dec. 15, 1972]