From: Ray Cook <raycook**At_Symbol_Here**APEXHSE.COM>
Subject: Re: [DCHAS-L] HS teacher request info
Date: Wed, 20 Jan 2016 09:05:12 -0600
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 08F496BF-B893-482B-A6C8-050C347E5E83**At_Symbol_Here**

Good day!

Relying on a single SDS opens you to possible erroneous data & bad decisions. Response to hazmat since the 80s has always followed this advice, even though many other sources of info are available. (CHRIS, Sax, etc.)


Ray Cook, CIH, CSP
**At_Symbol_Here**apexhse (Twitter)
I Cor 1:18
Sent from my iPhone

On Jan 20, 2016, at 8:57 AM, Ralph Stuart wrote:

>> 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
> rstuartcih**At_Symbol_Here**

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