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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 E—Quality Control
§84.40 Quality control plans; filing requirements.
§84.41 Quality control plans; contents.
§84.42 Proposed quality control plans; approval by the Institute.
§84.43 Quality control records; review by the Institute; revocation of approval.
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