The Symposium on Practical Applications of Neutron Radiography and Gaging was held at the National Bureau of Standards (NBS) in Gaithersburg, Md., on 10-11 Feb. 1975. The meeting was sponsored jointly by NBS and The American Society for Testing and Materials (ASTM). ASTM Committee E07 on Nondestructive Testing and Subcommittee E07.05 on Neutron Radiography were the ASTM sponsors. Several other organizations assisted in arrangements for the symposium. These cooperating societies include the Air Transport Association of America, the American Nuclear Society, the American Society for Nondestructive Testing, and the Nuclear Division of the American Society for Quality Control. Harold Berger, NBS, served as chairman of the symposium, and John K. Aman, E. I. du Pont de Nemours & Company, and Daniel Polansky, Naval Surface Weapons Center, served as cochairmen.