Replacing mercury thermometers in Teaching Labs. The replacements (mostly alcohol filled) were expensive to purchase & not really as good, but good enough. Hours
(& hour & hoursÉ) of mercury cleanup saved, not to mention toxicity, loss of lab timeÉ. For some classes, inexpensive solid state digital ones work fine.
In a conversation with a colleague today, I was thinking of examples of lab situations in which lab workers "naturally" (i.e. without prompting from EHS offices) developed alternatives to the use of risky chemicals. Examples I came up with
included the decrease of the routine use of benzene and Chromerge to wash glassware; and the development of nitric acid based microwave systems to replace boiling perchloric acid baths.
I wonder if there are other examples of such natural transitions that others on DCHAS-L can identify?
Thanks for any help with 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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