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Code of Federal Regulations
C.F.R. Title 42—Public Health
CHAPTER I—PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES
SUBCHAPTER G—OCCUPATIONAL SAFETY AND HEALTH RESEARCH AND RELATED ACTIVITIES
PART 84—APPROVAL OF RESPIRATORY PROTECTIVE DEVICES
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Subpart A—General Provisions
§84.1 Purpose.
§84.2 Definitions.
§84.3 Respirators for mine rescue or other emergency use in mines.
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