This report, from the Chemical Processing Department at HAPO for January 1966, discusses the following: Production operation; Purex and Redox operation; Finished products operation; maintenance; Financial operations; facilities engineering; research; and employee relations.

This report itemizes the irradiations performed by Testing for Battelle-Northwest Laboratories. It lists the material being irradiated, awaiting disposition and material shipped during the report period.

This report, from the Chemical Processing Department at HAPO for February 1966, discusses the following: Production operation; Purex and Redox operation; Finished products operation; maintenance; Financial operations; facilities engineering; research; and employee relations.

October performance of the plant production facilities was outstanding (915.2 tons U processed by Purex; 625.4 kg Pu separated by Redox/Purex). Redox processed three types of feed. Operation of incinerator furnace was resumed in Pu finishing processes. Capital cost estimates were prepared for several schemes for power reactor fuel reprocessing in Redox. Redox encased waste lines and line support system were found to be in good condition. H concentration in Redox dissolver off-gases occasionally exceeded lower flammable limits while sodium nitrate from high level waste storage tanks was used to suppress hydrogen.

This report details activities of the N-Reactor Design Analysis Unit for the month of June 1966.

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In Testing and Irradiation Service requested that the reactor coolant be sampled in an attempt to determine the amount of air evolution in the vicinity of the K downcomer. This letter includes the data which were obtained and conclusions drawn from analysis of the data.

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This report, from the Chemical Processing Department at HAPO for September 1966, discusses the following: Production operation; Purex and Redox operation; Finished products operation; maintenance; Financial operations; facilities engineering; research; and employee-relations, and waste management.

This report, from the Chemical Processing Department at HAPO, December 1965, discusses the following: Production Operation; Purex and Redox Operation; Finished Products Operation; Maintenance; Financial Operations; facilities engineering; research; and employee relations.

This report, from the Chemical Processing Department at HAPO for November 1966, discusses the following: Production operation; Purex and Redox operation; Finished products operation; maintenance; Financial operations; facilities engineering; research; and employee-relations, and waste management.

Much useful information has been gained from this program, leading to improvements and additions to non-destructive testing equipment, improved fuel quality, and a generally better understanding of fuel performance. The original objectives of the program have been met -- at least to the extent that such information can now be effectively used. However, other aspects of the program have a continuing value. Visual examination and dimensional data obtained routinely on production fuels have been a useful tool as a monitor of reactor conditions and trends, and of fuel quality. This test authorization proposes to continue a PT-216 type of program, modified to better serve today`s needs.

Declassified 21 Sep 1973. A summary of the experiments associated with the three uniformly loaded core configurations related to the 710 Mockup 1 Critical Experiment Reactor is presented. These configurations mocked up specific features of the then current 710 reactor experiment design. The experimental areas included initial loading, neutron lifetime, fission ratios, reflector control methods, reactivity coefficients and power distribution measurements. A major portion of the effort was applied to the latter two areas to determine the comparative effects between normally used fuel cells composed of rod-type materials and homogeneous fuel cells using fabricated fuel compacts". 7 references. (auth)