UNT Libraries Government Documents Department - 101 Matching Results
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- A Transistorized Pulse Height Analyzer for Gamma Spectroscopy
- From abstract: "A scintillation detector has a pulse height output which is a linear function of the energy of impinging gamma radiation. A pulse height analyzer system determines the amplitude distribution of this train of pulses. The system also displays this information graphically in a form which is convenient for further analysis."
- Determining the "State of Charge" of Nickel-Cadmium Batteries by Farad Capacitance Measurements
- From abstract: "A rapid simple method has been developed for determining state of charge of the widely used nickel-cadium rechargeable battery. The method described is based on the experimentally verified relationship between farad capacitance and state of charge."
- HASL Contributions to the Study of Fallout in Food Chains
- Report compiling data from previous HASL reports regarding the radioactive contamination of foods. Individual food items as well as total diets are analyzed.
- Carbon-14 Measurements in the Atmosphere - 1953 to 1964
- Report regarding a program that measured carbon-14 that was released into the atmosphere above the United States via nuclear testing.
- Health and Safety Laboratory Fallout Program Quarterly Summary Report: December 1, 1964 - March 1, 1965
- Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
- Health and Safety Laboratory Fallout Program Quarterly Summary Report: June 1, 1963 - September 1, 1963
- Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
- Preselect Address Unit for the IBM 1620 Computer
- From Abstract: "A device is described which permits the user to stop an IBM 1620 Computer at any preselected instruction address to aid in program debugging. Computer timing considerations are discussed and a circuit description is provided."
- Health and Safety Laboratory Fallout Program Quarterly Summary Report: September 1, 1963 - December 1, 1963
- Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
- Energy Dependence Determinations in the 60-180 KeV Range with an X-Ray Machine of Varying Output
- Report covering a Victoreen Cavity Chamber which utilizes filtered beams from a 250 KVP, Ox 250 General Electric pulsating industrial X-ray machine. The facility, equipment, and procedure is described.
- Health and Safety Laboratory Fallout Program Quarterly Summary Report: September 1, 1962 - December 1, 1962
- Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
- Environmental Radiation Measurements in the Southeastern, Central and Western United States, 1962-1963
- Report describing the use of a 5" x 3" NaI(Tl) detector and a high pressure ionization chamber to obtain gamma ray spectra and total gamma dose rates at approximately 100 locations during the course of several survey trips in the southeastern, central, and western United States. Reasonably precise elements of the dose rates are made using the pulse height spectra and relatively simple methods of analysis. Total terrestrial dose rates as well as the partial dose rates from the uranium-238 series, thorium-232 series, potassium-40, zirconium-niobium-95, and rhodium-106 are tabulated for each location.
- Health and Safety Laboratory Fallout Program Quarterly Summary Report: March 1, 1964 - June 1, 1964
- Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
- Health and Safety Laboratory Fallout Program Quarterly Summary Report: March 1, 1965 - June 1, 1965
- Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
- The HASL Bone Program 1961-1964
- Report documenting the measuring of strontium-90 levels contained in the bones of children and adults of various age brackets across the United States.
- Health and Safety Laboratory Fallout Program Quarterly Summary Report: June 1, 1964 - September 1, 1964
- Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
- Spectrometric Techniques for Measuring Environmental Gamma Radiation
- From Introduction: "We discuss in detail the equipment, calibration procedures, and techniques used to analyze the spectra, present evidence to substantiate the validity of the dose rate estimates, and examine several problems associated with field measurements, in particular the effects of radon migration from the soil, soil moisture, and fallout."
- Operational Safety Evaluation of Remote Reactor Plants
- From Introduction: "In this report, the authors describe in some detail their experiences and procedures in evaluating the PM-1 and PM-3A and discuss major malfunctions of these reactors and corrective actions taken."
- Semi-Empirical Method of Calculating the Energy-Absorption Build-up Factor with an Application to a Uniformly Contaminated Space Having Spherical Boundaries
- From Abstract: "The results are compared with those obtained by other methods, and an application to the problem of uniformly and continuously distributed point-source is discussed."
- External Environmental Radiation Measurements in the United States
- Report regarding ion chamber measurements made of the external environmental radiation in various location in the United States during the summer of 1957.
- Beta and Gamma Dose Rates From Terrestrially Distributed Sources
- Report that examines the dose rate of radiation in the air and in a test subject due to radioactive materials (uranium, thorium, and potassium) that are present in the ground. The test subject in these experiments is a water cylinder that is meant to receive radiation in a manner similar to a person.
- Determination of Energy Distribution of X-Ray Beams From a 250 KV Constant Potential Machine
- Report that describes experiments undertaken to determine the energy distribution of x-rays at the Health and Safety Laboratory following the installation of a 250 kV x-ray machine.
- The HASL Surface Air Sampling Program Summary Report For 1963
- Report that summarizes the first year of the Surface Air Sampling Program, including the results of analyzing 1,700 air filter samples and 400 precipitation samples.
- The Boundary Effect on Gamma-Ray Transport From a Point Source
- Report measuring the density interface effect on gamma-ray intensities resulting from a point source. Results suggested a phenomenological representation to describe the behavior.
- A Procedure to Determine the Relative Extent of Reactor Fission Product Releases Under Various Meteorological Conditions
- From Abstract and Introduction: "A procedure for the application of these programs and graphs to the review and evaluation of reactor safety problems is presented. The purpose of this work is to present of the subsequent meteorological considerations suitable for review and analysis using a small digital computer."
- Health Protection in Beryllium Facilities Summary of Ten Years of Experience
- From Introduction: "The purpose of this report is to summarize the information gathered during the design and operation of these facilities so that it may be used in providing for the safe handling of beryllium materials."
- Transistorization of Nuclear Counting Circuits
- From Abstract: "The advantage of long operational life, low power drain and miniaturization may be realized in nuclear counting circuits through the use of transistors. The disadvantage of instability, due to the effects of temperature change in the transistor, may be minimized in counting circuit designs. Representative circuits of a binary stage, amplitude discriminator, one shot multivibrator, and ratemeters are included. These were designed using the criteria of an minimum Beta and a maximum Ico."
- Strontium Program: Quarterly Summary Report, November 19, 1958
- From Abstract: "This report up-dates certain sections of HASL-42, "Environmental Contamination from Weapon Tests". In particular, the levels of Strontium-90 in fallout, milk, tap water, air, and soil are included for data available up to November 1, 1958."
- Strontium Program Quarterly Summary Report: November 1958 - January 1959
- From Abstract: "This report is one of a sequence of quarterly reports, each designed to up-date its predecessor beginning with HASL-42, "Environmental Contamination from Weapon Tests." Herein are reported data which have accrued since HASL-51. In particular, the levels of strontium 90 in fallout, milk, tap water, vegetation, and foods are given, based on data available from November 1, 1958 to January 30, 1959."
- Environmental Contamination from Weapon Tests
- Report issued by the Atomic Energy Commission over environmental effects from the fallout of nuclear weapons tests. The long-term effects of nuclear fallout on the environment, and human life are discussed. This report includes tables, and illustrations.
- Strontium Program: Quarterly Summary Report, October 1, 1959
- From Introduction: "Quarterly summary reports are prepared by the Health and Safety Laboratory (HASL) with the objective of presenting a current picture of the Strontium Program. This report, which up-dates HASL-65, presents data routinely reported by the Analytical Division of the Health and Safety Laboratory and its contractor laboratories - Nuclear Science and Engineering Corporation, Isotopes, Incorporated, Radiochemistry, Incorporated, and Tracelab, Incorporated. In addition, this issue includes data submitted by the U.S. Public Health Service, the Naval Research Laboratory, the Lamont Geological Observatory, and the Medical Laboratory of the National Defense Research Council ToNoOo - Netherlands."
- Further Investigations of Natural Environmental Radiation
- Report documenting the investigation of cosmic and terrestrial background radiation. "Remeasurements in many locations furnished estimates of dosimetric increase in terrestrial levels due to fallout. Radiation measurement sin residential dwellings in he New York metropolitan areas are described" (p. 1).
- Strontium Program: Quarterly Summary Report, January 1, 1960
- From Abstract: "This report is one of the a sequence of quarterly reports, each designed to up-date its predecessor beginning with HASL-42, "Environmental Contamination from Weapon Tests." Herein are presented data accrued since HASL-69. Plutonium-239 and cesium-137 levels in human tissue and other biological materials are also presented."
- Health and Safety Laboratory Fallout Program Quarterly Summary Report: December 1, 1959 - March 1, 1960
- Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
- Health and Safety Laboratory Fallout Program Quarterly Summary Report: March 1, 1960 - June 1, 1960
- Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
- Summary of Available Data on the Strontium 90 Content of Foods and of Total Diets in the United States
- From Present Programs: "There has been a gradual expansion of the Sr^90 food analysis program to include vegetable foods and finally entire diets. In some cases the analyses have also been extended to other nuclides but these data are so limited that they will not be emphasized in this report. It is expected that considerable data on Ra^226 and other naturally occurring radionuclides will be generated in coming year."
- Health and Safety Laboratory Fallout Program Quarterly Summary Report: June 1, 1960 - September 1, 1960
- Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
- Summary of Gummed Film Results Through December, 1959
- From Abstract: "The data for gummed film fallout measurements through December 1959 are reported. The bulk of the report consists of summary tables for each gummed film station listing the monthly estimates of strontium 90 deposition and infinity gamma dose."
- Nuclear Safety in Manufacturing Plants
- From Introduction: "In the following pages are summarized the factors which influence neutron economy and which, therefore, are important in nuclear safety."
- Strontium Program: Quarterly Summary Report, May 29, 1959
- From Abstract: "This report is one of a sequence of quarterly reports, each designed to up-date its predecessor beginning with HASL-42, "Environmental Contamination from Weapon Tests". Herein are presented data which have accrued since HASL-55. Levels of strontinum-90 in fallout, milk, air, water, vegetation, foods, and bone are given, based on data available from February 1, 1959 to May 20, 1959."
- A System for the Automatic Computation of Disintegration Rates From Radiochemical Data
- From Abstract: "Automatic computation of these general formulas from raw data and procedures for their adaption to a number of specific analyses are described."
- Symposium on Occupational Health Experience and Practices in the Uranium Industry
- A Summary of Fifteen Years of Experience with Dust Problems in the Refining and Fabrication of Uranium: "This paper concerns chronic exposure to uranium dust in one part of the uranium industry, dealing only with natural uranium or uranium hexafluoride."
- Strontium Program: Summary Report for October 1957
- Technical report was prepared by the Health and Safety Laboratory (HASL) with the objective of presenting a current picture of the Strontium Program. Abstract: Strontium 90 levels in fallout, milk, canned fish and tap water are summarized for data available up to September 15, 1957. Original data submitted during the month of September is included as an appendix. Data are presented to show the amount of Strontium 90 in fallout at sampling stations within and outside the United States.
- Strontium Program: Summary Report for December 1957
- Technical report was prepared by the Health and Safety Laboratory (HASL) with the objective of presenting a current picture of the Strontium Program. Abstract: Strontium 90 levels in fallout, milk, canned fish and tap water are summarized for data available up to November 30, 1957. Original data submitted during the month of November is included as an appendix. Data are presented to show the amount of Strontium 90 in fallout at sampling stations within and outside the United States.
- Strontium Program: Summary Report for January 1958
- Technical report was prepared by the Health and Safety Laboratory (HASL) with the objective of presenting a current picture of the Strontium Program. Abstract: Strontium 90 levels in fallout, milk, canned fish and tap water are summarized for data available up to December 30, 1957. Original data submitted during the month of December is included as an appendix. Data are presented to show the amount of Strontium 90 in fallout at sampling stations within and outside the United States.
- Strontium Program: Summary Report for February 1958
- Technical report was prepared by the Health and Safety Laboratory (HASL) with the objective of presenting a current picture of the Strontium Program. Abstract: Strontium 90 levels in fallout, milk, canned fish and tap water are summarized for data available up to February 30, 1958. Original data submitted during the month of February is included as an appendix. Data are presented to show the amount of Strontium 90 in fallout at sampling stations within and outside the United States.
- Some Variable Contributors to Natural Background
- It was suggested that radon concentrations in air and potassium fertilizers on the ground contribute appreciably to natural background radiation levels. The effect on natural background gamma radiation from radon and its associated daughters in equilibrium and from potassium in fertilizers has been calculated and found to be negligible. Background radiation intensities have been assumed to be on the order of 10 [mu]rad/hr.
- Strontium Program: Summary Report for March 1958
- Technical report was prepared by the Health and Safety Laboratory (HASL) with the objective of presenting a current picture of the Strontium Program. Abstract: Strontium 90 levels in fallout, milk, canned fish and tap water are summarized for data available up to February 28, 1957. Original data submitted during the month of February is included as an appendix. Data are presented to show the amount of Strontium 90 in fallout at sampling stations within and outside the United States.
- A Procedure for the Acid Extraction and Analysis of Strontium 90 in Soil With a Recommended Method for Soil Sampling
- Abstract: A procedure is described for the extraction and analysis of strontium 90 in soil. The method of collection, sub-sampling, extraction, separation and counting are discussed and the reproducibility and reliability of the analytical method evaluation.
- Strontium Program: Summary Report for April 1958
- Technical report was prepared by the Health and Safety Laboratory (HASL) with the objective of presenting a current picture of the Strontium Program. Abstract: Strontium 90 levels in fallout, milk, canned fish and tap water are summarized for data available up to April 5, 1958. Original data submitted during the month of March are included as an appendix. Data are presented to show the amount of Strontium 90 in fallout at sampling stations within and outside the United States.
- Strontium Program: Summary Report for May 1958
- Technical report was prepared by the Health and Safety Laboratory (HASL) with the objective of presenting a current picture of the Strontium Program. Abstract: Strontium 90 levels in fallout, milk, canned fish and tap water are summarized for data available up to May 1, 1958. Original data submitted during the month of April are included as an appendix. Data are presented to show the amount of Strontium 90 in fallout at sampling stations within and outside the United States.