sponsored jointly by the American Society for Testing Materials and the Atomic Industrial Forum. American Society for Testing Materials and the Atomic Industrial Forum. prepared jointly by American Society for Testing Materials and the Institute of Petroleum. American Society for Testing Materials and the Atomic Industrial Forum sponsored jointly by the American Society for Testing and Materials and U.S. Navy. sponsored by the American Society for Testing Materials for the American Group for ISO/ TC-61. sponsored by American Society for Testing Materials Committee E-2 on Emission Spectroscopy. 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.