DCHAS-L Discussion List Archive
From: Paul Dover <Paul.Dover**At_Symbol_Here**monash.edu>
Subject: [DCHAS-L] Flammables
Date: Wed, 12 Jul 2017 19:16:48 +1000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: CAHp8f-cD110BO5gVZ9+p7j=WTXYnTMP3ibTzEmJ=-KpY9928ow**At_Symbol_Here**mail.gmail.com
Hi all,
Ralph's recent post has reminded me about a question I wanted to ask about flammables.
We have a very old (2004) standard:
AS/NZS 2243.10:2004 : Safety in laboratories - Storage of chemicals
That OHS central use as gospel. It does not differentiate disciplines but states 'definitively' that maximum load of solvents is 250L within a 10m radius...even if in DG cabinets and 10L total in the open per lab.
And 'empties' (winchesters, etc) are counted as full while they are still in the lab!
I have tried to search and the best I get is an NFPA (US) 2015 document that if I am reading correctly states 150L / 9.3 M2 without the distance limit. Don't have the whole thing so I may be missing something.
Our labs are around 60M2, loaded with DG cabinets, thermal detectors, fire extinguishers (with training), sprinklers, all graduate chemistry students / post docs, etc.
As you can probably appreciate these limits are close to impossible in a high powered synthetic chemistry lab.
Or has someone found a way?
Comments, suggestions greatly appreciated.
Thanks, Paul
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