>In my line of work, I see a great deal of legacy data and much if not most of it is questionable at best, just plain incorrect at worst.

Thanks for your reply it's very helpful to hear from people managing the data process on a daily basis.

>2) research the components of the mixture for the most current physical and health property information using reputable sources (ECHA registered substances, HSDB, RTECS, IUCLID, ICSC, NIOSH, EPA's Chemical Reactivity Worksheet, etc).

How many sources are included in the "etc." above? A few more (<10)? Or 50? Does ECHA represent a compendium of the useful sources or do you have check each one separately?

>I try not to use legacy phrasing as well unless it is specific to the product or its downstream usage. Sticking to the GHS hazard and precautionary statements for content and verbiage is best in my humble opinion.

Can you give an example of "legacy phrasing"? I'm not sure I know what you mean by that in this context.

- Ralph

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

ralph.stuart**At_Symbol_Here**keene.edu

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