Authorization for change in operating standards, 221 and 224 Building, pertaining to process changes during the period March 1, 1951--December 1, 1952

摘要

Since the issuance of HW-17398, Separations Section Operating Standards - Part I relating to the Bismuth Phosphate Process on March 1, 1951, several changes in the process have been found desirable and have been reduced to practice. This document presents these changes.