Hi Jack,

Just bear in mind that I'm not recommending that you go sniffing acetone
vapor :)

It occurred to me after my message that since acetone is so much more
volatile than ethanol, methanol, isopropanol, etc., that it is probably
much easier to end up with a vapor concentration over the TWA PEL when
using acetone than with alcohols, so it may still be that more caution is
warranted with acetone than IPA.

Sean



On Sun, May 18, 2014 at 9:15 PM, John Gardner <goflo3@gmail.com> wrote:

> Sean -
>
> Sure you don't have it in for engineers more than me?  :)
>
> Thanks for the heads-up - I'll look again.
>
>    Jack
>
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