1910.1043(h)(3)(ii): OSHA rule
Key takeaways
- 1910.1043(h)(3)(ii) is part of OSHA's general industry standards (29 CFR Part 1910).
- Related part: 1910.1043(h) Medical surveillance.
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.1043(h)(3)(ii) is one requirement inside 1910.1043 Cotton dust, an OSHA general industry standard (Part 1910). It includes 3 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
(ii) Medical surveillance as required in paragraph (h)(3)(i) of this section shall be provided every six months for all employees in the following categories:
(A) An FEV1 greater than the LLN, but with an FEV1 decrement of 5 percent or 200 ml. on a first working day;
(B) An FEV1 of less than the LLN; or
(C) Where, in the opinion of the physician, any significant change in questionnaire findings, pulmonary function results, or other diagnostic tests have occurred. Open (h)(3)(ii)(c)
Source: eCFR, text current as of 2026-10-15. Read all of 1910.1043.
Free toolbox talk
A 5-minute crew talk on 1910.1043(h)(3)(ii), plus alerts when this rule changes. Free.
OSHA interpretation letters
- Interpretation of 1910.1043(h)(ii)(c) (1986-01-21)
Related parts of this rule
- 1910.1043(h) Medical surveillance
- 1910.1043(h)(2) Initial examinations
- 1910.1043(h)(3) Periodic examinations
- 1910.1043(h)(3)(ii)(C)
Get your crew competent
Trainers on Black Belt Safety: Marc Harvey, Dana Reyes
Trainers and suppliers: feature your business on this rule for $25/month.
About this page
Sources
- 29 CFR 1910.1043 (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.