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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 211 - PART 211—PRODUCT NOISE LABELING
Subpart A [§ 211.101 - § 211.111] - Subpart A—General Provisions
Subpart B [§ 211.201 - § 211.214] - Subpart B—Hearing Protective Devices
Subpart 0 -
Appendix Appendix A - Appendix A to Part 211—Compliance Audit Testing Report
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