Chapter 3 of Industrial Ventilation (ACGIH, 1995, ISBN 1-882417-09-7) gives a pretty good overview of the considerations to be taken when determining proper capture velocities for fume hoods.
Mike Davidson
GTS Duratek
(410) 312-5121 voice
(410) 290-9070 fax
davidson@gtsduratek.com
Visit our website at www.gtsduratek.com !
>>> "Bult, James" <james.bult@msfc.nasa.gov> 04/09 2:07 PM >>>
Depending on the operation, you may want to reevaluate your position. Some
of the guru's quote 75-100 fpm as optimum flow rate.
Jim Bult
NASA MSFC RSO
> ----------
> From: Dave Biela[SMTP:BielaD@wv.doe.gov]
> Reply To: radsafe@romulus.ehs.uiuc.edu
> Sent: Friday, April 09, 1999 10:14 AM
> To: Multiple recipients of list
> Subject: Radiological Fume Hood Ventilation
>
> Our current requirement for the average air flow across the opening of a
> radiological fume hood is 125 linear feet/min. Individuals on site want
> to lower this requirement and I am looking for the strongest reference in
> support of our current position. Does anyone have a reference for this.
>
> Please respond directly;
>
> Thanks
>
> Dave Biela
> BielaD@wv.doe.gov
> 716-942-4423
>
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information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html