From: "Stuart, Ralph" <Ralph.Stuart**At_Symbol_Here**>
Subject: Re: [DCHAS-L] Glove video feedback
Date: Wed, 6 Jan 2016 13:54:21 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: B6973747-2CCE-4833-8BE9-55A93A97222A**At_Symbol_Here**
In-Reply-To <15213fd7a7b-5358-1ec60**At_Symbol_Here**>

> >That video is giving students the impression this is a simple test they can do in their labs. It is not.
The goal of the video is to raise awareness about how chemical compatibility concerns impact lab glove selection and use. It doesn"t intend to provide complete professional information on the topic of all lab glove issues. The chemicals chosen were those that are used in undergraduate research labs here at KSC.

An aspect of the problem that this video didn"t discuss as much as I hoped was the toxicology of the chemicals involved. The synergy of methylene chloride's impact on the glove and the potential systematic toxicity of skin exposure to methanol and hexane were the topics of most concern to me as I reviewed the work; the chemists were unaware of this possibility. Those topics are too complex to address in a introductory training video and I expect to bring them up in discussions with people working specifically with that collection of chemicals. The goal of the video is to introduce basic concepts to start the more specific discussion.

>In my work, I encounter a lot of labs, processing, manufacturing, and agriculture operations with young technicians and have received a number of questions about when to change gloves‰?| how to avoid contamination other things when using gloves, etc.

That"s a good point. I notice that in the food service industry, some shops wash hands and change gloves after every order. I have seen labs where reuse of nitrile gloves is standard practice. Cross contamination associated with gloves and lab equipment is addressed by another video I use that can be found at

One of the advantages of short videos is the ability to mix and match them to address different audience needs. This also imposes some of the limitations noted above.

Thanks for the ongoing interest in this topic.

- Ralph

Ralph Stuart, CIH, CCHO
Chemical Hygiene Officer
Keene State College


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