A new analytical mechanism for distributing air sampling locations around nuclear facilities, including reactors, fuel fabrication, fuel reprocessing and research centers, has been devised. This method was developed to facilitate the efficient incorporation of past experiences into environmental surveillance programs for now or developing installations. The technique provides an initial distribution of air samplers around a site which correlates well with placements on sites which have been occupied by long established programs with their inherent evolution and refinements. The applicability of this approach has been examined by comparing sampling locations in well-established air monitoring programs scattered worldwide with location distributions recommended by this mechanism. Results of these comparisons will be detailed.

The design and successful operation of three tantalum alloy (Ta-8W-2Hf) clad uranium mononitride (UN) fuel pins irradiated for 8070 h at 990/sup 0/C (1815/sup 0/F) is described. Two pin diameters having measured burnups of 0.47 and 0.90 uranium atom percent were tested. No clad failures or swelling was detected; however, postirradiation clad samples tested failed with 1 percent strain. The fuel density decrease was 2 percent, and the fission gas release was less than 0.05 percent. Isotropic fuel swelling, which averaged about 0.5 percent, was less than fuel pin assembly clearances. Thus the clad was not strained. Thermocouples with a modified hot zone operated at average temperatures to 1100/sup 0/C (2012/sup 0/F) without failure. Factors that influence the ability to maintain uniform clad temperature as well as the results of the heat transfer calculations are discussed.

The objectives of this program are to: (1) conduct static and dynamic tests to demonstrate or determine the mechanical performance of full-size (cross section) FFTF fuel transfer machine and reactor vessel head seals intended for use in a sodium vapor - inert gas environment, (2) develop and demonstrate these FFTF seals or new seal configurations to provide acceptable fission product and cover gas retention capabilities at LMFBR Demonstration Plant operating environmental conditions other than radiation, and (3) develop improved seals and seal technology for the LMFBR demonstration plants to support the national objective to reduce all atmospheric contaminations to low levels. Reciprocating and rotary dynamic testing of seals generated considerable new test data concerning the leakage, compression set, and wear characteristics of various seal types and materials under specific conditions of compression, temperature, lubrication, travel, and surface finish. Both short-term (information tests) and longer-term (demonstration tests) are being conducted.

A review of selected portions of the ARHCO waste tank farm monitoring methods and systems was made. Only preliminary evaluations were made as the study was carried out over a period of only ten days. The study was requested by the Operation Support Engineering Department of ARHCO and the objectives as developed were divided into four tasks. Briefly, these were: evaluation of the waste tank dry well monitoring and data processing systems; evaluation of the accuracy (and precision) of material balance calculations for transfers from one tank to another tank; evaluation of the capabilities of material balance techniques for the detection of leaks in evaporator bottoms loop systems; and evaluation of the general operability of liquid level instrument systems currently in use and alternatives to these systems. The objectives of these tasks are restated in more detail in each of the sections below. An overview of the entire Hanford radioactive waste program including a limited description of the physical equipment involved can be found in PWM-530, Hanford Radioactive Waste Management Plans. Additional efforts have been initiated to establish an overall R and D program to more fully evaluate these systems and other factors relative to the successful operation of the …

Solid radioactive wastes resulting from chemical separations processing of spent reactor fuels have been disposed by burial in trenches in the 200 Areas since 1944. Solid radioactive wastes from other Hanford facilities and from off-site AEC contractors have also been buried in the 200 Areas` Waste Burial Grounds. Since 1970, industrial wastes containing or suspected of containing transuranic radionuclides have been packaged in concrete boxes and {open_quotes}dry wastes{close_quotes} have been packaged in steel boxes or drums and buried in segregated trenches. A land area of approximately 149 acres has been used to bury 5.2 million cubic feet of contaminated solid waste through calendar year 1971. Annual reports of radioactive solid waste burials issued, beginning in 1968, have shown land area used, and volume and quantity of radioactivity grams U and/or Pu and curies buried. No corrections for radioactive decay have been reported. In July 1972, J. D. Anderson, G. L. Hanson, G. R. Kiel, B. J. McMurray, and N. P. Nisick were assigned the responsibility for a study to provide the decayed inventory of radioactivity in each solid waste burial ground in the 200 Areas. The results of this study are included as Tables 1 and 2 in this report.

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This report provides a history of the power level at which single pass reactors at the Hanford facility operated over the period Jan 1945 to Jan 1973. The reactors listed are B, C, D, DR, F, H, KE, KW, and N. A set of notes attached explain how power levels were changed, often above original nameplate power ratings, by design or regulatory changes.

A method for geothermal gas collection for chemical and isotopic gas analysis is described. The CO/sub 2/ and H/sub 2/S are absorbed in a NaOH solution and the residual gas collected in a bottle. The method can be used for sampling gases from hot springs, fumaroles, steam wells, hot water wells, etc. (WHK)

Activities are summarized in the following fields: process development and technology, plutonium trenches, soils, prevention of accidental releases, radiation monitoring, environment, and radiation standards. (DLC)

A listing is presented of the 297 articles from which the data in Part I were abstracted. These listings contain additional information on each of these articles: authors, title, abstract, closely related references, beam, momenta of experiment, target, etc. One also gives tables of the data as they appeared in the original articles. Systematic comments are made specifying how the final data were obtained; for example, mass cuts for resonance production cross sections, spectator momentum cuts, corrections for systematic biases, etc. This information, extracted from the papers, is given to aid the reader in his evaluation of the results and in any comparison with other experiments.

Progress is reported for a program to demonstrate by 1976 an experimental gas turbine-powered automobile which meets the 1976 Federal Emission Standards and which is competitive in fuel economy, performance, reliability, and potential manufacturing cost with the conventional piston engine-powered, standard size American automobile. Procurement and assembly of parts for seven engines plus spares is basically on schedule, although some areas are requiring intensive follow-up. A partial engine (including regenerators) was assembled for shipment to Solar. It will be incorporated into their combustor test rig, where it will provide both pre-heat and a proper physical environment for their combustor evaluation and development. Of the two test cells being refurbished for use on this program, one was completed and the other is underway. Two engines loaned to start the program were checked out, qualified, and delivered. Vehicle installation design is nearly complete. The cars were ordered. Vehicle engineering to provide hydraulic power boost braking, heating and air conditioning, and transmission is underway. Procurement arrangements for basic body and chassis changes were completed. In support to the Government, an engine characterization was prepared and assistance given in developing a combustor test procedure. Work was initiated on developing a control system for a …

Activities in the following fields are summarized: plutonium scrap processing, process technology, plutonium trenches and soils, prevention of accidental release, environmental evaluations, and radiation monitoring. (DLC)

A comparison of the hazards involved in the existing process and the electrolytic process for dissolving plutonium metal shows that, in the opinion of the review team, no net increase in hazards will occur by operating the electrolytic dissolvers. This new process eliminates several hazardous operations such as metal burning and PuO/sub 2/ powder handling, and reduces operator time and, therefore, exposure. The new facility can be operated safely provided that the recommendations given previously are implemented.

Small precision mechanisms must have burr-free, sharp-edged parts to operate well. Controlling the size of burrs can lower burr removal costs and improve edge repeatability. Study results indicated that with conventional tooling approaches, Extrude Hone deburring with x-base media removes more material from the hole than desired and is less repeatable than required on precision miniature parts. With this media, the process is most applicable to precision miniature parts with burrs less than 25.4 ..mu..m thick, allowable hole size changes equal to burr thickness, and allowable hole size repeatability of +-0.2 times the actual average hole size change.

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The theoretical basis and computational procedure of the VECTRA computer program are presented. VECTRA (Vorticity-Energy Code for TRansport Analysis) is designed for applying numerical simulation to a broad range of intake/discharge flows in conjunction with power plant hydrological evaluation. The code computational procedure is based on finite-difference approximation of the vorticity-stream function partial differential equations which govern steady flow momentum transport of two-dimensional, incompressible, viscous fluids in conjunction with the transport of heat and other constituents.

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A study of electric power generating cycles which can be used in conjunction with a low-temperature geothermal energy (sensible heat) source is presented. Investigators at Los Alamos Scientific Laboratory have proposed a steam/isobutane dual cycle capable of generating 50.7 Mw of electric power. This cycle is optimized using regenerative feed water heating to yield a power output of 52.1 Mw or an improvement of 2.8%. Other power cycle designs and working fluids are investigated. Working fluids including various freons, steam, isobutane, ammonia, SO/sub 2/, CO/sub 2/, and several low molecular weight alkanes and alkenes are considered. The power cycle designs which are investigated include single and dual Rankine cycles (some of which involve regenerative feed heating), as well as topping/bottoming Rankine cycles, and Brayton gas cycles. The investigation shows that use of a single freon-11 cycle results in a 57.7 Mw power output representing an improvement of 13.8% over the LASL proposal. This cycle represents the best performance of all the combinations investigated, although several other cycles exhibit performance superior to that of the LASL proposal. It is recommended that the freon-11 single cycle be considered on an economic basis as a replacement for the steam/isobutane cycle in the proposed …

Progress is reported for a program to demonstrate by 1976 an experimental gas turbine powered automobile which meets the 1976 Federal Emissions Standards, has significantly improved fuel economy, and is competitive in performance, reliability, and potential manufacturing cost with the conventional piston engine powered, standard size American automobile. Reasonably firm delivery schedules were arranged for all of the critical Task 1 engine parts. However, the program will likely have to continue to function with loaner turbine wheels for the next few months. Vehicle A was built and utilized for running demonstrations at both EPA and NASA. Engine 5 (Vehicle B) was built and is being checked out. Upgraded Engine design guidelines were jointly worked out and agreed to with EPA and NASA. Life testing on the loaner endurance engine was extended beyond the 3500-hour milestone. Improvements are being made to extend low emissions Baseline burner life, currently under 300 hours. State-of-the-art ceramic regenerator cores were received from two sources and are being bench checked. Drive and seal system procurement is delaying hot rig testing. Analytical studies were made to determine suitability for the upgraded engine. AiResearch was awarded the integrated control system subcontract. They have initiated work on a simulation …

The code ANISN-L solves the one-dimensional, multigroup, time-independent Boltzmann transport equation by the method of discrete ordinates. In problems involving a fissionable system, it can calculate the system multiplication or alpha. In such cases, it is also capable of determining isotopic concentrations, radii, zone widths, or buckling in order to achieve a given multiplication or alpha. The code may also calculate fluxes caused by a specified fixed source. Neutron, gamma, and coupled neutron--gamma problems may be solved in either the forward or adjoint (backward) modes. Cross sections describing upscatter, as well as the usual downscatter, may be employed. This report describes the use of ANISN-L; this is a revised version of ANISN which handles both large and small problems efficiently on CDC-7600 computers. (RWR)

Progress is reported for a program to demonstrate by 1976 an experimental gas turbine powered automobile which meets the 1976 Federal Emission Standards, has significantly improved fuel economy, and is competitive in performance, reliability, and potential manufacturing cost with the conventional piston engine powered, standard-size American automobile. Procurement delays have caused an additional one-month slippage in engine deliveries. All test cell conversion and preparation tasks are complete. Assembly, qualification, and delivery to NASA of Engine 3 were accomplished. Vehicle installation design tasks were completed. Vehicle structural modifications were completed. Initial operation of the first vehicle has slipped two weeks due to engine delivery schedule changes. The planned training activity for the NASA technician took place. Endurance activity has included continued testing of molded insulation and the start of testing of new coarse pitch regenerator drive gears. Testing of a variable geometry combustor for control schedule optimization started. The all-ceramic regenerator core program was formulated, and work started on design and fabrication or procurement of core, drive, and seal hardware required specifically for these cores. The integrated control system sub-contract is delayed pending resolution of the adjustments to the scope of work. An elasto-plastic stress analysis program is being written in …

WAZER Alchemy 7b (WA-7b) is a WAZER calculation of a laser-driven micro-implosion of a spherical capsule consisting of a thin gold pusher surrounded by a thick (frozen) deuterium ablator. The properties of the target capsule and the shape of the laser pulse used to irradiate it are described.

Pressure transducers and accelerometers that make use of semiconductors strain gages or have strain gages diffused on a silicon diaphragm cannot be used with a bridge balance network if one wants to achieve thermal zero compensation. Thermal zero compensation is compensating for the change in output due to temperature only, and is typically +-1.5 percent of the full scale output for a temperature change of 100/sup 0/F. The reason for not using a balance network is the way in which the transducer is thermally compensated. There are two ways to obtain thermal zero compensation with a semiconductor transducer: either match each individual gage to each other, or trim one-half of the bridge to match the other half of the bridge. It is the latter that is easiest to do and the method the manufacturers use. The method is described.

Studies were conducted on species composition, population densities, and standing crop biomass of small songbirds in mixed palouse-shrubsteppe habitats of the Arid Lands Ecology (ALE) reservation. Results of field studies conducted during late 1972 and 1973 are presented, as well as results of 1972 IBP population studies. An appendix is included to show territory mappings from which plot-based population density estimates were derived. (HLW)