Start with NFPA 484 for the safety issues with machining an active metal alloy. Then go to the
OSHA rules which require a risk assessment for the workers and there are PEL and TLV standards for aluminum, manganese, and probably any other metal in the alloy. So some personal monitoring should set the required precautions.
You might also want to make dang sure this area of aluminum work is isolated from any ferric metal working. As a start, read the OSHA letter of interpretation of October 8, 2009 or go to
https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=INTERPRETATIONS&p_id=27413
Seems pretty straightforward to me. Monona
-----Original Message-----
From: Ralph Stuart <ralph.stuart**At_Symbol_Here**KEENE.EDU>
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Sent: Mon, Jun 20, 2022 7:58 am
Subject: [DCHAS-L] Machining manganese aluminum alloys
I have a colleague who works with metallurgy researchers who develop experimental manganese-aluminum alloys for which there is minimal hazard, particularly toxicological, information. These alloys are machined into various shapes on mills. He is interested in developing a best practices document for this work, focusing on how to maintain good housekeeping practices, researching hazards associated with novel alloys, and engineering controls appropriate to this work.
I wonder if anyone knows of a good reference for this kind of work?
Thanks for any help with this inquiry.
- Ralph
Ralph Stuart, CIH, CCHO
Environmental Safety Manager
Keene State College
603 358-2859
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