sponsored jointly by the American Society for Testing and Materials and U.S. Navy. sponsored jointly by the American Society for Testing Materials and the Atomic Industrial Forum. sponsored by the American Society for Testing and Materials, Valley Forge, Pa., 3-4 May, 1976. sponsored by the American Society for Testing and Materials, New Orleans, La., 20-22 March, 1978. sponsored by ASTM Committee C-1 on Cement, American Society for Testing and Materials ; P.K. Mehta, editor. sponsored by the Metals Properties Council and American Society for Testing and Materials ; edited by R. A. Lula. sponsored by ASTM Committee E-35 on Pesticides, American Society for Testing and Materials ; J. R. Beck, editor. prepared jointly by American Society for Testing Materials and the Institute of Petroleum. sponsored by ASTM Committee D-19 on Water, American Society for Testing and Materials ; R.L. Weitzel, editor. sponsored by the American Society for Metals.