DCHAS-L Discussion List Archive
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Subject: Re: [DCHAS-L] Old Bleach
Date: Monday, October 25, 2021 at 5:50:14 PM
Author: Margaret Rakas <mrakas**At_Symbol_Here**SMITH.EDU>
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Subject: Re: [DCHAS-L] Old Bleach
Date: Mon, 25 Oct 2021 16:05:18 -0600
Author: Jason Fritz
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From: JOHN L STRAUGHN <0000120dde6ec15c-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>
Subject: Re: [DCHAS-L] Old Bleach
Date: Mon, 25 Oct 2021 21:51:16 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: DM5PR06MB234783E51763D126B3743F3E83839**At_Symbol_Here**DM5PR06MB2347.namprd06.prod.outlook.com
In-Reply-To
Bleach, one of my favorites: If it has TRULY remained sealed (no seam cracks or cap gaps) it should be fine. If otherwise, you may just have sodium bicarbonate, as carbon dioxide in air replaces the chlorine. At least give it a sniff (carefully).
From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> on behalf of Patricia Leach <Patricia.Leach**At_Symbol_Here**TAMUC.EDU>
Sent: Monday, October 25, 2021 3:43 PM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Subject: [DCHAS-L] Old Bleach
Hello,
I was wondering about using old stocks of bleach for disinfecting in bio labs. The bleach is about 2 years old and has never been opened. I am not sure if it is industrial or commercially available bleach. Any advice would be appreciated.
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Patricia Leach
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Environmental Health and Safety Coordinator
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Emergency Management and Safety
Texas A&M University - Commerce
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P: 903.468.3278
C: 316.644.8255
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Mail: P.O. Box 3011, Commerce, TX 75429
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