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From: Stuart, Ralph <Ralph.Stuart**At_Symbol_Here**KEENE.EDU>
Subject: Re: [DCHAS-L] Texas School Facilities: Science draft
Date: Nov 17, 2019 12:31 UTC
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: 6BE03561-DD1E-47DC-B8A7-E23C361EF4D8**At_Symbol_Here**keene.edu
In-Reply-To:
> >Does middle school prep room need a built in fume hood ($12,000?)
You may find the ASHRAE document "Classification of Laboratory Ventilation Design Levels January 13, 2018 ver.1" helpful in addressing the question. It includes laboratory ventilation considerations beyond fume hoods based on the type of chemistry the lab will host in its discussion. Most of the document focuses on higher hazard laboratory work that is likely to be found in locations you mention, but it does include consideration of middle and secondary school settings. I believe that there is a second committee working on a document that defines criteria for chemical risk assessment relative to ventilation needs that might be useful when it is available.
The current document is available at no charge from the ASHRAE web site at
https://www.ashrae.org/File%20Library/Technical%20Resources/Free%20Resources/Publications/ClassificationOfLabVentDesLevels.pdf
Let me know if you have any questions 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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