From: Samuella Sigmann <sigmannsb**At_Symbol_Here**appstate.edu>
Subject: Re: [DCHAS-L] [External] [DCHAS-L] Cleaning biological storage coolers?
Date: Mon, 14 Dec 2020 10:46:33 -0500
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: d7b805c9-215b-0006-2efa-5bb391e847e5**At_Symbol_Here**appstate.edu
In-Reply-To <34839C9C-6E30-4522-8336-2E771FAF0D3F**At_Symbol_Here**keene.edu>


Hey Ralph - It might be useful to know what the chemicals in the preservative were? What material is the cooler? Did they try anything yet?

I usually start with ethanol and/or ethyl acetate on adhesive residues.
S-

On 12/14/2020 10:31 AM, Stuart, Ralph wrote:
Our biology department is cleaning out biological samples that have accumulated over about 20 years. Over the years, various non-formaldehyde based preservatives have slopped out of the containers into the cooler where they were stored, leaving a gummy residue behind on the floor of the cooler. I wonder if anyone has a found an effective way of removing this coating from the interior of the cooler?

Thanks for any advice about this.

- Ralph

Ralph Stuart, CIH, CCHO
Environmental Safety Manager
Keene State College
603 358-2859

ralph.stuart**At_Symbol_Here**keene.edu

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Non-Tenure Track Faculty ?? Qualified to cook the meals and wash the dishes, but not eat at the table.

Samuella B. Sigmann, MS, NRCC-CHO

Immediate Past Chair, ACS Division of Chemical Health & Safety, 2020

Senior Lecturer/Safety Committee Chair/Director of Stockroom

Chemistry

Appalachian State University

525 Rivers Street

Boone, NC 28608

Phone: 828 262 2755

Fax: 828 262 6558

Email: sigmannsb**At_Symbol_Here**appstate.edu

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