DCHAS-L Discussion List Archive
From: Penny Manisco <pmanisco**At_Symbol_Here**G.HMC.EDU>
Subject: [DCHAS-L] Dilute Ethidium Bromide Disposal in California
Date: Thu, 9 Aug 2018 16:37:42 -0700
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: CADJGnymF3jcWWYP=FBkPNMq+1YB+OnqkB49+J5ZSpGNN6Zx1CA**At_Symbol_Here**mail.gmail.com
Hello All,
There seems to be varying opinion on how to dispose of very dilute solutions of ethidium bromide. The concentration in question is 0.5 micrograms/ml of buffer. By hazardous waste definition, this would not be considered a hazardous waste, but I believe some of our California universities and colleges recommend filtration of the ethidium bromide before disposal at any concentration.
Any guidance would be very much appreciated.
Sincerely,
--
Penny Manisco,
Chemical Hygiene Officer
Harvey Mudd College
(909)6074217
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