The first thing to do is be sure it is charcoal. You need to see the SDSs of the products used. There are some black stick products that are really graphite, others that are fillers like chalk, barites (barium sulfate) or talc with nigrosine and other dyes or pigments. Still others are carbon black pigment which is a very fine particle and may have PAHs and other impurities.
From: Stuart, Ralph <Ralph.Stuart**At_Symbol_Here**KEENE.EDU>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Sent: Thu, Sep 6, 2018 10:53 am
Subject: [DCHAS-L] Art department charcoal dust control
I have a question about controlling charcoal dust in our Art Department's drawing studio. My web research indicates that the dust can be treated as a nuisance dust, but for housekeeping purposes and health protection of the students, our faculty would like to control the dust in the drawing studio as much as possible. Has anyone use room HEPA filters to help control dust levels in this setting or do we need to rely on work practices by the students to avoid spreading their charcoal dust around the room?
Thanks for any information on 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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