sponsored by ASTM Committee E03 on Chemical Analylsis of Metals American Society for Testing and Materials ; J. E. Foster. sponsored by ASTM Committee E03 on Chemical Analysis of Metals, American Society for Testing and Materials ; editor, J. E. Foster. sponsored by ASTM Committee E-24 on Fracture Testing of Metals American Society for Testing and Materials. sponsored by ASTM Committee E-35 on Pesticides, American Society for Testing and Materials ; J. R. Beck, editor. sponsored by ASTM Committee C-1 on Cement, American Society for Testing and Materials ; P.K. Mehta, editor. sponsored by Committee E-24 on Fracture Testing of Metals, American Society for Testing and Materials. sponsored by ASTM Committee D-9 on Electrical Insulating Materials, American Society for Testing and Materials ; R. Bartnikas, E. J. McMahon, editors. sponsored by CommitteeE-24 on Fracture Testing of Metals, Americal Society for Testing and Materials. sponsored by ASTM Committee C-9 on Concrete and Concrete Aggregates, American Society for Testing and Materials. sponsored by ASTM Committee D-19 on Water American Society for Testing and Materials.