1992 EARTH SUMMIT; APCO ASSOCIATES; BOARD OF INTL CENTER SCIENTIFIC ECOLOGY; BURSON; EC; EURO CHLOR FEDERATION; GCI; GREY; HEIDELBERG APPEAL; IMPERIAL CHEMICAL INDUSTRIES; INTL CENTER FOR SCIENTIFIC ECOLOGY; INTL COPPER ASSN; ISOPA; NEW SCIENTIST; STANFORD UNIV; TASSC, THE ADVANCEMENT OF SOUND SCIENCE COALITION; WORLD CHLORINE CONFERENCE