From: Mary Ellen Starodub <mestarodub**At_Symbol_Here**COGECO.CA>
Subject: Re: [DCHAS-L] HS teacher request info
Date: Wed, 20 Jan 2016 12:06:18 -0500
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 003a01d153a4$e1403b00$a3c0b100$**At_Symbol_Here**

What are the exposure conditions and amount of material(s) relevant to the
intended use situation, and those relevant to the hazard characterized in
the SDS? Are they the same or similar? What safety precautions are

-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**] On Behalf Of
Ralph Stuart
Sent: January-20-16 9:58 AM
Subject: Re: [DCHAS-L] HS teacher request info

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