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 D19 on Water, American Society for Testing and Materials, Ft. Lauderdale, Fla., 30-31 Jan. 1978 ; C. D. Litchfield and P. L. Seyfried, editors. 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 E-24 on Fracture Testing of Metals, American Society for Testing and Materials, Chicago, Ill., 28-30 June, 1976 ; G. T. Hahn and M. F. Kanninen, editors. sponsored by ASTM Committee E-24 on Fracture Testing, American Society for Testing and Materials, San Diego, Calif., 13-14 Oct. 1977. ; J. B. Chang, editor. sponsored by ASTM Committee E05 on Fire Standards, American Society for Testing and Materials, Boston, Mass., 27 June 1978 ; E. E. Smith and T. Z. Harmathy, editors. sponsored by ASTM Committees E-9 on Fatigue and E-24 on Fracture Testing, American Society for Testing and Materials, Pittsburgh, Pa., 29-30 Oct., 1979 ; S.J. Hudak, Jr., and R.J. Bucci, editors. sponsored by ASTM Committee E33 on Environmental Acoustics, American Society for Testing and Materials, Kansas City, Mo., 24-26 May 1978. ; R. J. Peppin, C. W. Rodman, editors. 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 D-19 on Water, American Society for Testing and Materials, Minneapolis, Minn., 25 June 1977 ; J. W. Costerton and R. R. Colwell, editors.