Mary Ellen:
I wouldn’t suggest you put holes in the enclosure because it might void your warranty and there are possible liability issues.
I work for a company that manufacturers polypropylene enclosures. We use iris ports with great success and surrogate powder tests show they work and can contain very well (micrograms per cubic meter).
I would suggest that you have testing done to ensure safety (ASHRAE 110 and containment testing using a company like IES
using surrogate powder).
V/R
Mike
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU]
On Behalf Of Mary Ellen A Scott
Sent: Thursday, November 08, 2012 9:27 AM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: [DCHAS-L] Utility panel modification inside fume hood
Hi,
Has anyone ever altered their their fume hood? Here's my issue:
Many of our researchers use a vacuum pump under the fume hood and plumb the vacuum hose through the utility
panel in order to connect to the glassware inside the work area.
This leaves the panel off or ajar inside the hood disrupting the vortex and permitting harmful vapors to enter
inside the hood and possibly the surrounding area.
We would like to drill a hole into the utility panel to permit vacuum hose to enter snugly and permit the hood
to function properly.
Would there be any special safety concerns in cutting out a hole in the panel due to the while poly resin
material?
Would you have a better idea on how to get the hose into the hood?
We have drilled through the work platform in the past but most researchers use the utility panel entry. It
seems that entry through the front of the hood interferes with worker use, leaves sash open and takes up more space.
Thanks in advance for any advice.
Mary Ellen
--
Mary Ellen Scott, PhD.
Safety Specialist II
EHS - Environmental Health and Safety
2220 Circle Dr.
216-368-6077
216-368-2236 (Fax)
maryellen.scott**At_Symbol_Here**case.edu
“There is no science without fancy and no art without fact” – Vladimir Nabokov (1899-1977)
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