From: "Stuart, Ralph" <Ralph.Stuart**At_Symbol_Here**>
Subject: [DCHAS-L] Original source of safety data?
Date: Thu, 26 Feb 2015 21:19:15 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 0784F6E6-5503-4FF7-ABC7-CEDA75432730**At_Symbol_Here**

During our ongoing project with CINF in identifying sources of electronic chemical safety information, a set of questions that has arisen:
- What is the original source of most chemical safety information (e.g. flashpoints, health hazard data, reactivities, etc.)? - How much information, for example on a SDS, is simply copied over from another source and how much data is actually generated and/or verified by the author/publisher of the source?
- What is the original source of this data?
- How are potential conflicts in this data between these information sources resolved?

I'm sure there are people on DCHAS-L who have experience in answering these questions for professional safety purposes; any comments on any or all of these questions would be appreciated.

- Ralph

Ralph Stuart, CIH, CCHO
Chemical Hygiene Officer
Keene State College


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