http://www.einlightred.tue.nl/lightsources/history/light_history.pdf Maybe that EPA quote was misleading. It's the mercury itself in fluorescents that creates the UV light, so you wouldn't need mercury in an LED that generates its own UV. That's what is implied at the end of the above article. Bert ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.