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Subject: Re: [DCHAS-L] Pressurization of 5 gallon glass carboy

Date: Feb 25, 2022 15:56 UTC

Author: Richard Palluzi <000006c59248530b-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>

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Subject: Re: [DCHAS-L] Pressurization of 5 gallon glass carboy

Date: Feb 25, 2022 18:36 UTC

Author: pzavon**At_Symbol_Here**ROCHESTER.RR.COM

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From: James Kaufman <jkaufman**At_Symbol_Here**LABSAFETYINSTITUTE.ORG>

Subject: Re: [DCHAS-L] Pressurization of 5 gallon glass carboy

Date: Feb 25, 2022 16:56 UTC

Reply-To: ACS Division of Chemical Health and Safety

In-Reply-To: Re: [DCHAS-L] Pressurization of 5 gallon glass carboy

Demystify: 

In addition to using strong shields, Dow also required that all glassware that was pressurized or evacuated be wrapped with appropriate tape, mesh netting, or plasti-coated.

PS. LSI now has virtual lab inspections, safety program evaluations, document reviews, plus courses and seminars ... all virtual

James A. Kaufman, PhD

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On Fri, Feb 25, 2022 at 10:58 AM Richard Palluzi <000006c59248530b-dmarc-request**At_Symbol_Here**lists.princeton.edu> wrote:

To be safe, the carboy would have to be behind a shield strong enough to withstand the breaking force of the expelled glass pieces and sited so as to intercept all potential paths the fragments could take. Not sure if one could possibly a metal trash can for that purpose because it lacks a top and a way to secure it easily to something strong enough. I guess you could make something but an acrylic shield would probably be faster, easier and cheaper. Casting it in Acrylic would, I suspect be much more expensive.

And shielding will protect personnel but it would still be open to criticism if the vendor does not rate the carboy for the maximum possible pressure used.

SO going back to the vendor makes sense to confirm that rating.

Richard Palluzi

BE(ChE), ME(ChE), PE, CSP,FAIChE

Pilot plant and laboratory consulting, safety, design, reviews, and training

www.linkedin.com/in/richardppalluzillc/

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