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From: "Stuart, Ralph" <Ralph.Stuart**At_Symbol_Here**KEENE.EDU>
Subject: Re: [DCHAS-L] Draft lab risk assessment video comments requested
Date: Wed, 2 May 2018 18:57:25 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: EAE67D62-ADDD-4D79-B7B8-7CCD28DD4AE0**At_Symbol_Here**keene.edu
In-Reply-To <000601d3e195$78788f60$6969ae20$**At_Symbol_Here**twc.com>
> >The "smelly" on the scroll really needs to be changed to reflect known low
> toxicity, fumehoods should be standard for moderate/high/unknown toxicity
> possible chemical exposures, which should not be accomplished on an open
> benchtop. Evaluating the toxicity of the materials, with what is known,
> more importantly unknown, needs to be conducted in a negatively ventilated
> space, e.g., fumehood.
> >I know this practice needs development in practice, but isn't that what
> should be done?
>
It's an interesting challenge to match the core message of a video with the level of detail that it includes. I agree that the overall question of appropriate lab ventilation could be the subject of a similar video, but in the context of this project, the details of the components of overall management system are beyond the scope of our intent.
>I do take a little issue with describing risk as essentially a measure of probability alone.
I agree that the words "most likely" unintentionally emphasize probability in the risk function. Would "most likely to present a significant risk" bring in the concept of severity adequately?
- 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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