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Stored oxygen cylinders must be kept how far from fuel-gas cylinders, unless a fire barrier is used?

20 feet (6.1 m), or a noncombustible barrier at least 5 feet high.

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  1. 20 feet ✔
  2. 5 feet
  3. 50 feet

Why: Oxygen feeds fires, and fuel gases burn hot. OSHA separates them by at least 20 feet or by a noncombustible barrier at least 5 feet high.

Huh, didn't know that: OSHA also says the barrier needs a fire-resistance rating of at least one-half hour.

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What emotional disorder does a gas chromatograph suffer from? Separation anxiety.
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References

Answer: 20 feet. Oxygen feeds fires, and fuel gases burn hot. OSHA separates them by at least 20 feet or by a noncombustible barrier at least 5 feet high.

  1. OSHA 29 CFR 1910.253 Oxygen-fuel gas welding and cutting www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.253
    a minimum distance of 20 feet (6.1 m) or by a noncombustible barrier at least 5 feet (1.5 m) high
    Checked 2026-10-10.

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