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| # | Directives |
|---|---|
| 1 | - National - CPL 02-01-050 - 29 CFR Part 1910, Subpart I, Enforcement Guidance for Personal Protective Equipment in General Industry - PDF |
| 2 | - National - PER 04-00-004 [PER 04-00-004] - Hearing Conservation Program - PDF |
| 3 | - National - CSP 01-01-016 [STP 2.21] - Occupational Noise Exposure; Hearing Conservation Amendment, 29 CFR 1910.95 |