sponsored by ASTM Committee E-35 on Pesticides, American Society for Testing and Materials, Cleveland, Ohio, 31 Oct.-1 Nov. 1977 ; L.L. Marking, R.A. Kimerle, editors. sponsored by ASTM Committee E-42 on Surface Analysis, American Society for Testing and Materials, Cleveland, Ohio, 28 Feb.-1 March, 1978 ; T. L. Barr, L. E. Davis, editors. sponsored by ASTM Committee E-35 on Pesticides, American Society for Testing and Materials, New Orleans, La., 17 Oct. 1978 ; E. E. Kenaga, editor. sponsored by ASTM Committee E-9 on Fatigue, American Society for Testing and Materials, Atlanta, Ga., 14-15 Nov. 1977 ; P. R. Abelkis and J. M. Potter, editors. sponsored by ASTM Committee D 19 on Water, American Society for Testing and Materials, Denver, Colo., 19-20 June 1978. ; C. E. Van Hall, editor. sponsored by ASTM Committee D-19 on Water, American Society for Testing and Materials, Minneapolis, Minn., 25 June 1977 ; J. W. Costerton and R. R. Colwell, editors. sponsored by ASTM Committee E-35 on Pesticides, American Society for Testing and Materials ; J. R. Beck, editor. sponsored by ASTM Committee E07 on Nondestructive Testing, American Society for Testing and Materials, Ft. Lauderdale, Fla., 25-26 Jan., 1979 ; W. F. Hartman and J. W. McElroy, editors. sponsored by ASTM Committee E-24 on Fracture Testing of Metals, American Society for Testing and Materials, Atlanta, Ga., 16-18 Nov. 1977 ; J. D. Landes, J. A. Begley, G. A. Clarke, editors. sponsored by ASTM Committee E-4 on Metallography, American Society for Testing and Materials, Houston, Tex., 3-5 April 1978 ; Halle Abrams ... [et al.], editors.