This is a letter of transmittal which describes the waste disposal problem at the Hanford Site. These disposal problems were discussed with the United States Geologic Survey, Atomic Energy Commission, and General Electric on October 27, 1949. Conclusions from this meeting is the main text of this letter.

The test unit is to simulate the conditions existing in the ``active``section of a pile process tube. This section is loaded with 64 slugs each of length equal to 4.3767 inches, giving an overall active length of 23.34 feet. The figure of 4.3767 inches is the overall length of the aluminum can, rather than that of the slug proper. The calculations tabulated on the accompanying data sheet are representative of the conditions of operation of the ``maximum performance tube`` in the pile. The resistance of a heater element with the specified wall thickness is such as to give a total heating of 552 Kw (corresponding to an 800 mw operating level) with a current of 13,000 amperes flowing through the tube. The heating distribution is a sine curve with a maximum heating of 33.56 Kw/ft. at the center. No attempt will be made to simulate the heating distribution in the aluminum end cap.

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This report provides information on reactivity, temperature coefficients and energy storage to the Reactor Safeguard Committee with regard to contemplated increases in power levels.

Work of the pile physics and experimental physics groups is reported. Theoretical work is also reported.

The meetings divided into two parts, with reviews of work being done in radiobiology at the University of California by various members of their staff as part one, and, as part two, a meeting conducted by Dr. Shields Warren for Laboratory Directors and their representatives. For the most part papers which were reviewed were summarized material which has appeared in the literature and gave progress to date. Since the purpose of the meeting itself was more for the informal directors meetings, results of the latter are here abstracted.

This report contains brief summaries of activities at the Hanford production reactors for the month of Oct. The activities for the Pile Physics Group are: (1) H Area start-up; (2) outlet temperature recording systems; (3) reactivity balance for each pile for this period. Activities for the Experimental Physics Group are: (1) graphite testing; (2) 305 testing -- P-slug standardization and graphite standards; (3) shielding. Also status is given on critical mass project.

Samples from a single drilling made at Arco, Idaho were submitted to determine the adsorptive capacity of soil at Arco, Idaho for radioactive elements.

The interaction between neutron and proton in the triplet state has been investigated. The central and tensor potentials have been assumed to be of the ''meson'' type but of possibly different ranges. The variational-iterational method has been utilized to determine V{sub o}, the strength of the central potential, and {gamma}V{sub o}, the strength of the tensor potential. A wide variation in the values of both central and tensor ranges were included. Calculations of this type have proved difficult in the past principally because of the sensitivity of the results to the quadrupole moment Q of the deuteron for which accurate wave functions are necessary. It would be desirable to have a more accurate value of Q deduced from experiment. The percent D state in the deuteron and the effective triplet range have also been computed. The results are applied to the discussion of the magnetic moment of the deuteron, the photoelectric disintegration of the deuteron, and neutron-proton scattering. It is concluded that experimental information on neutron-proton interaction at their present accuracy does not determine the range of the tensor forces except within rather broad limits. A decrease in the uncertainty in the triplet range by an order of magnitude would …

This report addresses the density and viscosity of solutions in the tributyl phosphate process for uranium recovery.

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This report is a descriptive journey of the Activation Analysis of the Rare Earths.