Date: Fri, 30 Oct 2009 10:59:59 -0500
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
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From: "Cody, Regina J. (GSFC-6910)" <regina.j.cody**At_Symbol_Here**NASA.GOV>
Subject: Re: Roof top exhaust fan maintenance Policy
In-Reply-To: <2AF1C47996B01E4AA1A8DE740C23536301C2E5E02A**At_Symbol_Here**EXCHANGE3.grove.ad.uconn.edu>

In  one of our buildings we have what we call “Chem ical Laboratory Wing”, and access to that roof is controlled by key which only the Facility Maintenance has.  I am the contact between the Maintenanc e and our labs.  Policy is Maintenance calls me with date and I check wi th Lab Managers to make sure no one will  exhaust chemicals that morning or afternoon.

Regina Cody

Goddard Space Flight Center

From: DCHAS-L Discu ssion List [mailto:DCHAS-L**At_Symbol_Here**list.uvm.edu] On Behalf Of Wawzyniecki Jr, Stef an
Sent: Friday, October 30, 2009 9:55 AM
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Subject: [DCHAS-L] Roof top exhaust fan maintenance Policy

In general, maintenance staff working on rooftop fume hood exhaust equipment h ave indicated their concerns about being on a roof, and possibly being exposed to whatever is being vented. 

 

In a more specific laboratory situation, involving MOCVD (metal organic chemic al vapor deposition), we have a lock-out tag-out policy, due to the severity o f the toxic gases involved.

 

Questions:

 

  1. Does anyone else have MOCVD l abs, and to what extent are controls in place for protection of workers on roof tops?
  2. Does anyone else employ a LOT O policy?   
  3. Are roof tops key-accessible only?

 

Thanks for the feedback.

 

-Stefan Wawzyniecki, CIH, CHMM

 University of Connecticut

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