1910.95(g)(9): Revised baseline
Key takeaways
- 1910.95(g)(9) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart G).
- Related part: 1910.95(g) Audiometric testing program (437 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.95(g)(9) ("Revised baseline") is one requirement inside 1910.95 Occupational noise exposure, an OSHA general industry standard (Part 1910, Subpart G). It includes 2 sub-paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.
Official text
(9) Revised baseline. An annual audiogram may be substituted for the baseline audiogram when, in the judgment of the audiologist, otolaryngologist or physician who is evaluating the audiogram:
(i) The standard threshold shift revealed by the audiogram is persistent; or Open (g)(9)(i)
(ii) The hearing threshold shown in the annual audiogram indicates significant improvement over the baseline audiogram. Open (g)(9)(ii)
Source: eCFR, text current as of 2026-10-15. Read all of 1910.95.
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OSHA interpretation letters
- Successor Employer (2017-01-11)
- Definition of a "physician" under 29 CFR 1910.95 and what credentials would qualify a person to perform the duties that are specifically ascribed to physicians by the standard (2016-05-10)
- Clarification on whether a successor employer may establish a new baseline audiogram for employees of the former employer. (2011-03-08)
- Whether employers have the option to establish new baseline audiograms when business ownership changes, but medical records are maintained for 30 years. (2008-12-05)
- Clarification of use of the annual audiogram in place of the baseline. (2006-11-30)
- Clarification on revising a baseline audiogram if a standard threshold shift occurs in only one ear. (2006-02-10)
- Revising baseline audiogram when there is a standard threshold shift in only one ear. (2005-09-09)
- Baseline audiogram revision due to persistent STS or improved thresholds; revision must be made for each ear separately. (2003-05-08)
- Interpretation concerning persistent standard threshold shift (STS) . (1986-06-04)
Related parts of this rule
- 1910.95(g) Audiometric testing program 437 citations
- 1910.95(g)(1) 227 citations
- 1910.95(g)(6) Annual audiogram 99 citations
- 1910.95(g)(5) Baseline audiogram 80 citations
- 1910.95(g)(5)(i) 72 citations
- 1910.95(g)(8) Follow-up procedures 25 citations
- 1910.95(g)(8)(ii) 15 citations
- 1910.95(g)(8)(i) 10 citations
- 1910.95(g)(7) Evaluation of audiogram 5 citations
- 1910.95(g)(7)(ii) 2 citations
- 1910.95(g)(3) 1 citations
- 1910.95(g)(7)(iii) 1 citations
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About this page
Sources
- 29 CFR 1910.95 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly
3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.