On 11/02 08:58, Edward C. Zimmermann wrote: > > In the case of Sileca gel its harmless-- and what one can with a good mind That's what I was thinking > working with substances like metals in our darkrooms (like Silver, Gold, > Selenium, Chrome, Barium) and also substances that pyrolyse into nasty things This part I forgot. Yep, don't put that in the oven and then food I guess. It ain't the germs...its those heavy chemicals! -- Eric ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.