This report contains work summaries for the week of May 18th, 1944 at the Hanford Atomic Products Operation. Canning, stack gas disposal, and graphite testing are discussed. (JL)

This report is a copy of a letter sent on May 23, 1944, concerning the analytical evaluation of Columbia River water by Clinton Laboratories.

This document contains information about the sampling program at Columbia River during May 5, 1944. Topics discussed include: securing representative samples; analysis of the samples looking at temperature, bacteriological content, dissolved oxygen, and physical tests; and the method and equipment used in the sampling procedure.

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This document provides the analytical reports on the aluminum-silicon alloy, tin and copper analytical reports are also provided.

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The uranium metal, as discharged from the piles in the 100 Areas, contains the alpha emitting product, plutonium, in concentration in the neighborhood of 150--250 grams per metric ton, along with similar amounts of beta and gamma fission elements. It is the purpose of the Separations Plant to effect the separation of this product from the uranium metal and fission elements, and to prepare a concentrated, relatively pure solution of plutonium nitrate as the final product of the Hanford Plant. This section of the manual discusses the chemistry of the separations process, describes the buildings and equipment provided for carrying out the various steps in the operation, and presents the detailed operating procedures used. There are included, in many instances, references to other documents presenting a more detailed view of a specific point in the process.