>> >Unless you're in a magical world where hood space is more widely available than PAC money, I'd have to say that safety/ventilation etc. is way down the list for most PI's. In many all of the labs I've worked in, hood space is too valuable (i.e. scarce) to take up with a rotovap,

That was my sense, but many of the rotovap installations I saw on the web were in a hood, so I wasn‰??t sure what best practices for siting them are. The SOPs on the web are generally vague about appropriate precautions associated with the process.

>We require rotovap pump exhaust to be vented into a fumehood or point exhaust (this is often accomplished by running a tube into the back of the hood from a rotovap located on the open bench).

To me, that implies that there needs to be direct local exhaust in the lab rather than relying on general ventilation. And presumably access to a hood that doesn‰??t involve crossing an aisle Is that correct? I would also be interested in shielding measures you recommend.

Thanks for the information.

- Ralph

Ralph Stuart, CIH, CCHO
Chemical Hygiene Officer
Keene State College

ralph.stuart**At_Symbol_Here**keene.edu

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