From: "Kohler, Christopher E" <cekohler**At_Symbol_Here**IU.EDU>
Subject: [DCHAS-L] Venting flammaable cabinets
Date: Tue, 19 Jul 2016 12:04:24 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 1468929862371.24223**At_Symbol_Here**



If a flammable cabinet is vented, is it okay to open the supply bung and draw air from the room or do both the exhaust an supply have to be ducted to an outside source?


I have been under the impression that NFPA 30 requires both supply and exhaust be ducted to an outside source or the cabinet not vented at all. Leaving the supply bung open in the room even with a spark arrestor seems odd to me.




Chris Kohler

IUB Laboratory Safety Manager

Environmental Health and Safety

Bloomington, IN 47405





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