This document presents details of the status of irradiations performed by Fuel and Target Irradiation Technology for BNW as of January 31, 1970.

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The primary objectives of the experimental irradiation program described in this report are to make a preliminary evaluation of the operational problems outlined above and to provide quantitative data to guide further fuel pin and core design studies. The tests form part of the national program to study carbide fuel technology.

This report addresses the diffusion and precipitation of inert gases in metals.

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Specification of fuel damage criteria is important in evaluating and verifying the adequacy of safety margins for the FFTF. These margins are provided to meet the established safety objectives for the facility. The purpose of this report is to review the parameter limits specified as preliminary design data in the FFTF design safety criteria, and to identify the bases for each of these limit values. These bases provide a logical framework for discussion of the uncertainties involved as well as emphasize the more promising options for maximizing the return on investment of development funds.

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In this semiannual issued the single pass reactor and water plant data are shown for the six-months` period July through December, 1969 together with data for the three preceding six-months` periods.

This reference contains information which details experiments done at the Hanford Reservation on communities of periphyton. These autoradiographic experiments examined the uptake of radioisotopes and diffusion of radioisotopes in the communities. Arguments were presented discussing the presentation of the results on an areal or gravimetric basis.

The main efforts of the past year have been directed towards investigation of the behavior of the radioactive aerosols in actual in mining operations. Activities can be categorized as follows: Preparation of equipment for taking data in uranium mines; development of background of personnel to carry out intended experiments; research data from United Nuclear Homestake Partners Section 25 mine in the Ambrosia Lake area near Grants, New Mexico; updating of computer programs for data analysis in order to extract more information; and the development of a thermal precipitator for partical size analysis in the submicron range.

Information pertinent to solid waste burial sites under the control of Battelle-Northwest is provided. In particular, data are tabulated for given sites providing the acreage of the given burial sites, dates of activation and deactivation or continued active status, buried waste volume, waste type according to what radiations are emitted, grams of beta and gamma emitters and plutonium buried, how the plutonium is contained, and term of storage (i.e., long term). A map of the Hanford area is provided giving the locations of some of the burial grounds. Finally, a page of descriptive information is given for each site giving the status, reference drawing number, location, description, and contents.

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We suggest the establishment of several large generalized National Environmental Laboratories (NELs), each containing interacting groups of natural and social scientists, engineers, and information specialists. The field of action is the whole environment, both urban and rural, both present and future. By their organization and outlook, NELs would take a different cut across the fabric of environmental problems than has been possible hitherto. However, we must realize that NELs will not per se create instant Paradise; all we propose are instrumentalities designed to match the true scope of problems and perhaps stimulate a willing and charitable spirit. The tasks hitherto separately considered -- the retrospective ones of restoring and preserving the environment and the prospective one of future technology assessment -- are joined in NELS, because (1) environmental restoration and preservation involve prior and present technology decisions; assessment of future technology is the forward equivalent; (2) one of the activities tends to be conservationist, the other expansionist, and the two provide useful balance. We believe that these structures and roles are what is really required to implement both the recommendations of the National Academy of Sciences Panel on Technology Assessment, and the requirements implicit in the National Environmental Policy Act.

This document contains the details the activities of Douglas United Nuclear at the Hanford Reservation during the month of January 1970.

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