From: Monona Rossol <actsnyc**At_Symbol_Here**>
Subject: Re: [DCHAS-L] HS teacher request info
Date: Wed, 20 Jan 2016 22:00:22 -0500
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 15262202e39-5bbf-2276**At_Symbol_Here**

sounds about right.  You might add:  

- and what physical and toxicological information is missing that might be important to know in planning precautions?

In other words, assess the "no data available" items on the SDS.

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: Ralph Stuart <rstuartcih**At_Symbol_Here**ME.COM>
Sent: Wed, Jan 20, 2016 9:59 am
Subject: Re: [DCHAS-L] HS teacher request info

> perusing various SDS (from different vendors) for the chemicals is always best!

A philosophical question:
I see the advice above a fair amount in the general chemistry literature (particularly J Chem Ed articles) and am never sure how random browsing of SDS's adds safety value. 

In my opinion, before reading SDS's, it's important to formulate the question(s) to be answered. Examples of such questions could be:
- Which is the most important hazard involved in this work? 
- What other hazards impact the precautions to be implemented?
- How critical is the accuracy of the information I'm collecting to answer these questions adequately?

Am I missing something here?

- Ralph

Ralph Stuart, CIH 

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