The symposium on Flammability and Sensitivity of Materials inOxygen was held in Phoenix, Arizona, 31 March-1 April 1982, and wassponsored by ASTM Committee G04 on Compatibility and Sensitivity ofMaterials in Oxygen-Enriched Atmospheres. Barry L. Werley, AirProducts and Chemicals, Inc., and Robert E. Lowrie, Airco CentralResearch Laboratories, were co-chairmen of the symposium.