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Subject: Re: [DCHAS-L] Space Requirements for in-use gas cylinders (nonflammable)

Date: Oct 28, 2021 22:58 UTC

Author: Lisa Puckett <lpuckett**At_Symbol_Here**BAYAREACOMPLIANCE.COM>

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Subject: [DCHAS-L] Chemical Safety headlines (18 articles)

Date: Oct 29, 2021 11:03 UTC

Author: Ralph Stuart <membership**At_Symbol_Here**DCHAS.ORG>

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From: ALFRED BARKSDALE <adkb**At_Symbol_Here**COMCAST.NET>

Subject: Re: [DCHAS-L] Old Bleach

Date: Oct 29, 2021 06:05 UTC

Reply-To: ACS Division of Chemical Health and Safety

In-Reply-To: [DCHAS-L] Old Bleach

Demystify: 

For sanitizing surfaces [vs sterilizing] the "old" bleach should be ok.  The commercial bleach solutions contain a "stabilizer" that to some degree preserves the hypochlorite. If one looks into the "ancient" literature, dilution of commercial 5.25% sodium hypochlorite by1 to 10 or more to swab down showers and bathroom areas was common. 
On 10/25/2021 3:43 PM Patricia Leach <patricia.leach**At_Symbol_Here**tamuc.edu> wrote:


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.


Patricia Leach

Environmental Health and Safety Coordinator

Emergency Management and Safety

Texas A&M University - Commerce

P: 903.468.3278

C: 316.644.8255

 

Mail: P.O. Box 3011, Commerce, TX 75429

 



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