From: Monona Rossol <actsnyc**At_Symbol_Here**>
Subject: Re: [DCHAS-L] Occupational handling of nickel nanoparticles: A case report
Date: Tue, 20 May 2014 21:02:34 -0400
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 8D142A77BF9B612-21E4-33DDF**At_Symbol_Here**
In-Reply-To <081D54673FDDB347BC1F77943BC7C7FA019219B0**At_Symbol_Here**>

Right on Kay.  And even if she had a skin reaction to nickel, that FEV1 says something dramatic happened.  And she can't even go in the building?  I only see that kind of face-flushing, FEV1-dropping reaction in workers exposed to the major nasties like the isocyanates and certain dyes.   
Monona Rossol, M.S., M.F.A., Industrial Hygienist
President:  Arts, Crafts & Theater Safety, Inc.
Safety Officer: Local USA829, IATSE
181 Thompson St., #23
New York, NY 10012     212-777-0062

-----Original Message-----
From: Rita Kay Calhoun <r.calhoun**At_Symbol_Here**MOREHEADSTATE.EDU>
Sent: Tue, May 20, 2014 1:41 pm
Subject: Re: [DCHAS-L] Occupational handling of nickel nanoparticles: A case report

The original report indicated that one of the reactions she had was to her 
earrings.  This suggests that previously she had had no reaction to the nickel 
in the earring posts, so the sensitization does appear to be related to the 
material being in nano form.  
Just a guess.

-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of 
Ralph B. Stuart
Sent: Tuesday, May 20, 2014 12:34 PM
Subject: Re: [DCHAS-L] Occupational handling of nickel nanoparticles: A case 

> Does the report indicate that the exposure was exacerbated the material being 
in the nano form?

The report is based on a single case and the fact that the symptoms arose after 
work with Ni nano-particle began; she had previously worked with non-nano Ni. 
For a particular incident, I'm not sure how you would determine whether the nano 
aspect exacerbated the situation. It's more of a suggestive data point report 
than a conclusive study...

- Ralph

Ralph Stuart CIH
Chemical Hygiene Officer
Department of Environmental Health and Safety Cornell University


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