If in that time a chemical has not been requested we delete it from the inventory. These chemicals are then included for disposal with waste chemicals generated by the University's research and teaching programs. ChemEx does not operate on a commercial basis. The exchange neither pays for nor charges for chemicals. The Safety Office supervises transportation of ChemEx chemicals between Dalhousie locations.
External participants make their own shipping arrangements.
Assisted by Administrative Computing, the Safety Office introduced a web-based ChemEx inventory in 1999. This electronic inventory replaced our former practice of circulating long lists of available chemicals. Users have been very positive about the change. Although it will undoubtedly take some time to reach hundreds of laboratories across the university, an encouraging number now routinely check the ChemEx inventory before placing orders for chemicals. ChemEx chemicals are clearly not suitable for every application.