A portable eyewash station delivers 0.4 gpm. How long should it run?

Study for the PMT 103A Industrial Hygiene Test. Get ready with flashcards, multiple choice questions, hints, and explanations to excel in your exam!

Multiple Choice

A portable eyewash station delivers 0.4 gpm. How long should it run?

Explanation:
Eyewash duration is determined by safety standards, not by varying the flow rate. The standard requires a continuous flush of at least 15 minutes to ensure thorough irrigation and removal of irritants from the eyes. A flow rate of 0.4 gpm meets the minimum, but the amount of time the unit should run is fixed at 15 minutes to meet that requirement. At 0.4 gpm, running for 15 minutes would use about 6 gallons of water (0.4 × 15), so you’d want a portable eyewash with sufficient water supply to sustain that full 15-minute flush.

Eyewash duration is determined by safety standards, not by varying the flow rate. The standard requires a continuous flush of at least 15 minutes to ensure thorough irrigation and removal of irritants from the eyes. A flow rate of 0.4 gpm meets the minimum, but the amount of time the unit should run is fixed at 15 minutes to meet that requirement. At 0.4 gpm, running for 15 minutes would use about 6 gallons of water (0.4 × 15), so you’d want a portable eyewash with sufficient water supply to sustain that full 15-minute flush.

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