From: Sandy King (sanking@clemson.edu)
Date: 07/13/02-10:09:33 AM Z
John wrote:
>S Wang wrote :
>
>That may be true for gum, especially with digital negatives. But a
>friend of mine who uses pyro and pyrocat, often needs to expose his
>carbon and Kallitypes for one to two *hours* under a 1000 watts metal
>halide bulb.
>John Cremati wrote:
>I hope your friend doesn't go blind! He should be wearing a
>welding helmet for that long of exposure...also a good respirator
>mask to filter the ozone created.... What distance is he exposing
>from?
You can take it from me that Sam's friend would not be dumb enough to
stand there looking at the bulb for 1-2 hours!!
So metal halide bulbs create ozone? I wonder if this makes them more
environmentally friendly for Judy?
Sandy
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