1910.430(c)(1)(iii): Annual Testing of Breathing Gas Hoses
Breathing gas supply hoses must be tested at least annually to 1.5 times their working pressure.
Key takeaways
- 1910.430(c)(1)(iii) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart T).
- OSHA cited it 1 times in the last 3 years, in 1 inspections, with $0 in current penalties.
- 1 death is linked to inspections that cited this rule.
- Related part: 1910.430(c) Breathing gas supply hoses (2 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1910.430(c)(1)(iii) is one requirement inside 1910.430 Equipment, an OSHA general industry standard (Part 1910, Subpart T). 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
(iii) Be tested at least annually to 1.5 times their working pressure; and 1 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1910.430.
Injuries linked to this rule
1 death is linked to inspections where OSHA cited 1910.430(c)(1)(iii).
At 2:00 p.m. on June 25, 2024, an employee working as a commercial diver for a highway and bridge contractor had descended 19 feet to the ocean floor. The employee was acclimating himself for a commercial diving operation. The employeewas a new diver to the…
Where and how often it was cited
Free toolbox talk
A 5-minute crew talk on 1910.430(c)(1)(iii), plus alerts when this rule changes. Free.
OSHA interpretation letters
None exist. OSHA has not published a letter of interpretation for 1910.430(c)(1)(iii).
Related parts of this rule
- 1910.430(c) Breathing gas supply hoses 2 citations
- 1910.430(c)(1) 1 citations
- 1910.430(c)(2) 1 citations
- 1910.430(c)(2)(iii) 1 citations
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Frequently asked questions
How often are breathing gas hoses tested?
At least annually.
To what pressure?
To 1.5 times their working pressure.
Which hoses does this cover?
Breathing gas supply hoses used in diving.
About this page
Sources
- 29 CFR 1910.430 (eCFR), text current as of 2026-10-15
- U.S. Department of Labor enforcement data: OSHA inspections, citations and accident records, copied nightly; data as of 2026-10-20
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.