1926.350(a)(10): Separating Oxygen and Fuel-Gas Cylinders
Employers must separate oxygen cylinders in storage from fuel-gas cylinders or combustible materials, especially oil or grease, by a minimum distance of 20 feet or by a noncombustible barrier at least 5 feet high with a fire-resistance rating of at least one-half hour.
Key takeaways
- 1926.350(a)(10) is part of OSHA's construction standards (29 CFR Part 1926, Subpart J).
- OSHA cited it 17 times in the last 3 years, in 17 inspections, with $38,392 in current penalties.
- Most citations: PR (2), TN (2), VA (2).
- Related part: 1926.350(a) Transporting, moving, and storing compressed gas cylinders (48 citations).
- Free 5-minute toolbox talk for your crew below.
In this article
What this rule covers
29 CFR 1926.350(a)(10) is one requirement inside 1926.350 Gas welding and cutting, an OSHA construction standard (Part 1926, Subpart J). 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
(10) Oxygen cylinders in storage shall be separated from fuel-gas cylinders or combustible materials (especially oil or grease), a minimum distance of 20 feet (6.1 m) or by a noncombustible barrier at least 5 feet (1.5 m) high having a fire-resistance rating of at least one-half hour. 17 citations
Source: eCFR, text current as of 2026-10-15. Read all of 1926.350.
Where and how often it was cited
| Year | Citations |
|---|---|
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 7 |
| 2026 | 7 |
Top states: PR (2), TN (2), VA (2), VT (2), AL (2)
Largest penalties
| Employer | Location | Penalty for this rule |
|---|---|---|
| WILDWOOD HOSPITALITY GROUP LLC | WILDWOOD, NJ | $11,585 |
| DOBCO, INC. | DOVER AFB, DE | $10,641 |
| INGRAM BARGE COMPANY LLC | GRANITE CITY, IL | $5,485 |
| RAZORBACK LLC | WHITE RIVER JUNCTION, VT | $4,634 |
| WESTERN MARINE CONSTRUCTION | KETCHIKAN, AK | $2,678 |
Free toolbox talk
A 5-minute crew talk on 1926.350(a)(10), plus alerts when this rule changes. Free.
OSHA interpretation letters
- Use of the "Regulator Umbrella" for "in use" or "connected for use" conditions for portable compressed gas cylinders. (2006-05-12)
- Storage of oxygen and acetylene cylinders for construction vs. general industry. (2006-05-10)
- General industry and construction standards regarding "in use" or "ready to use" and "storage" of compressed gas and oxygen cylinders for welding; §1910.253(b)(2)-1910.253(b)(4) and §1926.350(a)(10). (2006-05-08)
- Requirement and design of fire-resistant barriers for oxygen and fuel-gas cylinders. (2004-03-04)
- Gas cylinder carts with patented engineered steel fire barriers compliance with 1926.350(a)(10). (2004-01-23)
- Acceptability of an engineered steel fire barrier to comply with separation/firewall requirements. (2001-05-23)
- Storage of gas cylinders on construction sites; clarification of "in storage." (1999-07-08)
- Definition of "in storage" and clarification of the requirements for intermittent use of gas cylinders. (1998-12-31)
Related parts of this rule
- 1926.350(a) Transporting, moving, and storing compressed gas cylinders 48 citations
- 1926.350(a)(9) 11 citations
- 1926.350(a)(11) 8 citations
- 1926.350(a)(7) 4 citations
- 1926.350(a)(1) 3 citations
- 1926.350(a)(12) 2 citations
- 1926.350(a)(4) 1 citations
- 1926.350(a)(6)
- 1926.350(a)(2)
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Frequently asked questions
How far apart must oxygen and fuel-gas cylinders be stored?
A minimum distance of 20 feet (6.1 m), or separated by a noncombustible barrier.
What barrier is acceptable?
A noncombustible barrier at least 5 feet (1.5 m) high having a fire-resistance rating of at least one-half hour.
Does this apply to oil and grease?
Yes. Oxygen cylinders must also be separated from combustible materials, especially oil or grease.
About this page
Sources
- 29 CFR 1926.350 (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 2026-10-19
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.