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Previous by Date: Subject: Re: [DCHAS-L] Photographic chemical baths Date: Monday, April 29, 2019 at 9:02:08 AM Author: Monona Rossol <0000030664c37427-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU> |
Next by Date: Subject: Re: [DCHAS-L] Photographic chemical baths Date: Mon, 29 Apr 2019 16:10:44 +0000 Author: Monona Rossol |
> > Only incidentally are some chemicals that emanate from the baths during use mentioned such as sulfur dioxide, acetic acid, ammonia, formaldehyde, and H2S from some of the toners. But not all of these are generated by all processes and there are many other chemicals that we never even thought about such as the halides, amines, phenolics, etc.
Am I correct in assuming that the local environmental authorities don't have adequate guidance in assessing what chemicals might be of interest in assessing this air filter? It's a fascinating question that you raise...
- 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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