I honestly don't know for sure the source of the ozone as I got this
question third hand. But, one possiblity is a corona treater used to
energize film so that water based ink can stick.
At 11:37 AM 3/19/98 -0600, you wrote:
>Where is the ozone coming from? I have heard about some automatic
>platemaking? (I can't quite recall) equipment generating a little ozone.