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OSHA's minimum mechanical ventilation rate per welder is how many cubic feet per minute?

2,000 cubic feet per minute.

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  1. 2,000 cubic feet per minute ✔
  2. 200 cubic feet per minute
  3. 20,000 cubic feet per minute

Why: Welding fumes build up fast in small or low rooms. Where OSHA requires general mechanical ventilation, the minimum is 2,000 cubic feet (57 m3) per minute per welder.

Huh, didn't know that: OSHA also requires mechanical ventilation in rooms with a ceiling lower than 16 feet.

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References

Answer: 2,000 cubic feet per minute. Welding fumes build up fast in small or low rooms. Where OSHA requires general mechanical ventilation, the minimum is 2,000 cubic feet (57 m3) per minute per welder.

  1. OSHA 29 CFR 1910.252 General requirements, welding, cutting and brazing www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.252
    Such ventilation shall be at the minimum rate of 2,000 cubic feet (57 m 3 ) per minute per welder
    Checked 2026-10-11.

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