ASHRAE, AMERICAN SOCIETY OF HEATING, REFRIGERATING + AIR-CONDITIONING ENGINEERS; CORNELL UNIV; EI DUPONT DE NEMOURS + CO; EPA, ENVIRONMENTAL PROTECTION AGENCY; IAQ SYMPOSIUM; INST OF MEDICINE; JOHN B PIERCE FOUNDATION LAB; NATO; RESOLVING THE AMBIGUITIES AN INDUSTRIAL; UNIV OF CT HEALTH CENTER; UNIV OF MILAN; WHO, WORLD HEALTH ORG