> I would suspect that someone shared the same concern I have about code numbers - why have them? Why not just write what it means?
The person who raised the question with me is in the process of mining GHS information to organize it into more useful safety information about departmental chemical inventories. When writing computer code for this purpose, the H codes are easier to work with than the whole phrase. As other people indicated, Sigma-Aldrich includes them on their SDS's, so I hadn't noticed that many US SDS's don't have them.
I agree that, in general, human to human communication is best done in plain English rather than codes, but humans are not the only ones involved in 21st Century communication. ;)
Thanks to everyone for their response on this topic.
Ralph Stuart, CIH, CCHO
Chemical Hygiene Officer
Keene State College
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