> >If the tanks are next to the hood does this remediate the situation itself?
>
The answer will depend on the gas involved, the velocity (both in terms of direction and speed) of the release of the leak and the configuration of the room. Fume hoods are designed only to capture emissions from sources inside the hood.

I have conducted assessments of ventilation patterns in labs and have often found that areas to the side of the hoods are less well ventilated than the rest of the lab because the pathway from the source of air in the lab to the hood bypasses that side of the hood. Ventilation in general should not be relied on to deal with upset conditions.

- Ralph

Ralph Stuart, CIH, CCHO
Environmental Safety Manager
Keene State College
603 358-2859

ralph.stuart**At_Symbol_Here**keene.edu

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