Report containing ongoing research and experiments of the Oak Ridge National Laboratory's Instrumentation and Controls Division.

The objectives of this production test are to confirm the KVNS fuel element design, determine the effect of support height on annulus coolant temperature distribution (R Value), evaluate the effect of eccentricity on KVNS fuel element irradiation behavior.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Waggoner Carr, regarding a legal question submitted for clarification: Authority of Walker County to contract with the Department of Corrections to refinish county-owned property.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Waggoner Carr, regarding a legal question submitted for clarification: Docketing of cases in the Probate Court of Tarrant County.

An accidental ball 3X trip occurred at DR Reactor on July 11, 1961. Startup was attempted on July 21, 1961, subsequent to the ball recovery operations, at which time a large reactivity loss was apparent. The loss was assigned to inaccessible poison balls remaining within the graphite structure. Enriched uranium (0.947% U{sup 235}) columns were charged during successive outages to immediately recover the minimum excess reactivity required for operational transients and effective control. The large increase in enrichment inventory in the reactor complicated evaluation of total control and speed-of-control requirements necessary to comply with the control criteria. An additional effect of the remaining ball poison was observed as a skewed front-to-rear klux distribution with downstream peaking, indicating a much larger concentration of the balls in the upstream regions of the reactor. Summaries of various physics analyses performed as a result of the ball drop and some of the analytical techniques used in evaluating and resolving the flux distribution and reactivity and control problems are outlined in the report. The ball boron burnout rate and total estimated costs incurred due to the decreased conversion ratio, reduced operating level, and increased rupture potential are also provided.

In discussing this subject, data on radiation induced mammary gland neoplasia in the rat indicating that direct interaction between the radiation and target tissue is necessary for maximum neoplasia induction will be presented mainly. Other types of radiation induced neoplasia, in which little or no information on the mechanisms involved is available, will be discussed briefly. In particular, investigations on radiation induced mouse lymphoma will be reviewed, in which neoplasia appears to be an abscopal effect. Implications of these data will be discussed, particularly with regard to possible mechanisms involved, and extrapolation to man.

The generic term "chemonuclear" has been assigned to any chemical process system using nuclear energy as the prime energy source. The type of effect which induces the chemical change, or produces the chemical is of importance in classifying the type of chemonuclear process, or reactor involved. Four types of effects are identified for this classification. These are radiation, thermal, electrical, and photolytic effects. The radiation effects include the interaction with matter of high energy particles, or photons carrying energy in the range of a million electron volts (MEV) or higher, and causing primarily ionization effects. Thermal effects include transfer of thermal energy to matter and usually is directed towards producing a thermodynamic equilibrium in the system. Electrical effects are concerned with interaction with matter of particles carrying energy in the range of electron volts up to thousands of electron volts (EV to KEV). The photolytic effects utilize photon energy in the range of infrared through the visible to the ultraviolet radiation (IR, Visible, and UV). As is evident, this classification is somewhat arbitrary since it is primarily based on a division of the energy spectrum which is in reality continuous. It does, however, separate the more conventional methods of inducing …

The pioneer study by Benjamin and Sluka in 1908 on inhibition of antibody formation by X-rays revealed the importance of the temporal relationship between exposure to radiation and injection of antigen. X-radiation delivered three days before injection of beef serum inhibited precipitin formation in rabbits. A similar exposure to X-rays delivered three days after injection of the antigen failed to repress production of specific antibody. These observations were partially confirmed in 1915 when Hektoen reported inhibition of hemolysin production in the rat when X-radiation was delivered either before or after injection of sheep red cells. Although an absolute difference in radiosensitivity was not evident, the depressant effect of radiation on antibody production appeared to be less effective when radiation was given after injection of the antigen.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Waggoner Carr, regarding a legal question submitted for clarification: Whether the Moody House is exempt from the payment of ad valorem taxes under the stated facts.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Waggoner Carr, regarding a legal question submitted for clarification: Constitutionality of House Bill 450 of the 58th Legislature.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Waggoner Carr, regarding a legal question submitted for clarification: Whether taxpayers may pay taxes accruing under the Limited Sales, Excise and Use Tax Act under protest pursuant to the provisions of Article 1.05, Title 122A, 20A, Tax.-Gen. and Article 7057b, Title 122, 20, V.A.T.S., or must follow the procedure prescribed in Article 20.10, Title 122A.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Waggoner Carr, regarding a legal question submitted for clarification: Review of Attorney General’s Opinion No. WW-1489, dated December 6, 1962.

The completion of Phase III construction in B Plant will provide facilities to meet certain common needs of departmental Waste Management and Fission Product programs. This is an estimate of the total and unit costs of operation in these facilities on a `goin concern` basis, recognizing full well the highly tentative nature of information available with respect to staffing, process rates, equipment, etc., approximately 3 to 4 years in advance of operations. It is planned that this document serve as an operating cost guideline during the interim period, subject to periodic revision as more firm data of significant cost impact becomes available. This review covers those functions performed within B Plant proper plus a PAW feed material preparation function tentatively planned for Purex head end for convenience purposes. Feed material streams from supernatant and sludge removal functions are considered F.O.B. B Plant. No staffing or costs have been included for tank farm activities or the 200 North storage function. Cesium and strontium costs include processing to a solid and packaging in a high integrity container compatible with final confinement requirements. Staffing is provided to perform a peroxyacetate strike or similar function for the cerium-rare earth fraction, but additional study would …

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Waggoner Carr, regarding a legal question submitted for clarification: Whether Article 2351a-1, Vernon’s Civil Statutes, as amended in 1961, is constitutional, and a related question.

From considerations of the results of experimental simulations of non-axial placement of fuel elements in process tubes and in-reactor experience, it is concluded that the ultimate outcome of a charging error which results in operation with one or more unsupported fuel elements in a K Zircaloy-2 process tube would be multiple fuel failure and failure of the process tube. The outcome of the accident is determined by the speed with which the fuel failure is detected and the reactor is shut down. The release of fission products would be expected to be no greater than that which has occurred following severe fuel failure incidents. The highest probability for fission product release occurs during the discharge of failed fuel elements, when a small fraction of the exposed uranium of the fuel element may be oxidized when exposed to air before the element falls into the water-filled discharge chute. The confinement and fog spray facilities were installed to reduce the amount of fission products which might escape from the reactor building after such an event.

The objective of production test detailed in this report was to characterize the effects of NH{sub 4}OH as a pH control agent in a recirculating, high temperature and pressure water system having NPR characteristics. Of particular interest is the crud forming and decomposition characteristics of NH{sub 4}OH at potential NPR conditions.

The construction and operation of a trigger system designed to fire a 30-kV 5000 A spark gap with a minimum delay following the arrival of a small signal pulse is described. In this particular experiment a 150-MeV/c muon is detected with scintillators on three 6199 phototubes, and the output pulse of the attached tunnel-diode triple-coincidence circuit is amplified and used to trigger the gap. Approximately 32 nanoseconds are needed from passage of the muon to the coincidence output, and approximately 25 nanoseconds are required from the coincidence output to the time of complete breakdown of the gap. These delays represent the shortest times that we could achieve with the particular boundary conditions under which the circuit had to operate. Sufficient detail is given to show how additional savings of nanoseconds could be made under different operating conditions.

The DR Reactor was shut down on July 10, 1963, for a scheduled charge-discharge outage. During the charge-discharge operation on July 11, 1963, the front work platform was being lowered to a new location for charging when the far side charging machine mounting rail came in contact with the 2 1/2 inch drain valve stem on front crossheader No. 25. Before the platform travel could be stopped, the drain valve and the related 2 1/2 inch piping was twisted down transmitting sufficient force to the crossheader to form a dimple in the header adjacent to the drain line-header weld junction.

These criteria delineate objective, bases, and functional requirements governing preparation of design of the bauxite-sulfuric acid feed facilities installed in the 183-KE and KW Buildings. These facilities produces the chemical coagulant used in the treatment of Columbia River water in the K Area water plants and thus replaces the existing liquid alum feed systems used for this purpose.

Parameters determined by a least-squares method for the reduced Simon equation and for a new, empirical melting equation.

Distortion of the graphite stacks of the Hanford IPD reactors due to neutron irradiation effects has grown to where major corrective or compensatory action must be taken to preserve the operability of the safety control systems and life of the reactors. For the past few years, the line has been satisfactorily held by an aggressive maintenance program and short-range solutions. However, longer range, more permanent solutions are needed and high priority is being given to studies toward these ends. Important from a reactor life standpoint (and of more immediate concern and the subject of this discussion) is the jeopardy the reactors face from the use of the Ball-3X system. Permanent loss of balls in cracks in the graphite stacks following a ball drop is a real possibility in most of the reactors today. Recent, detailed investigations of the internal stack conditions in the K Reactors have revealed gaps opening into the vertical ball channels which are as wide as three inches. Any means to measurably reduce the probability of an inadvertent ball drop without compromising reactor safety could be a much cheaper alternative to any presently contemplated solutions which are directed towards physically preventing loss of balls to the graphite …

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Waggoner Carr, regarding a legal question submitted for clarification: Whether the State Department of Public Welfare is authorized to continue their agreements with the Federal Government as regards the Merit System.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Waggoner Carr, regarding a legal question submitted for clarification: Construction and constitutionality of Article 5.02, Texas Election Code, relative to voting by members of the Armed Forces while on active duty.

A phase shift analysis is an attempt to translate experimental measurements (observables) into well-determined scattering amplitudes, since these are the quantities that can be readily compared with theoretical predictions, In this sense, the phase shift analysis should contain as little theory as possible. The scattering amplitudes (or phase shifts) constitute an experimental statement, and the phase shift analysis should logically be done by the experimental groups who measure the observables.