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Analysis of Americium in Transplutonium Process Solutions
One of the more difficult analyses in the transplutonium field is the determination of americium at trace levels in a complex matrix such as a process dissolver solution. Because of these conditions a highly selective separation must precede the measurement of americium. The separation technique should be mechanically simple to permit remote operation with master-slave manipulators. For subsequent americium measurement by the mass spectroscopic isotopic-dilution technique, plutonium and curium interferences must also have been removed.
Date:
March 9, 2001
Creator:
Ferguson, R.B.
Object Type:
Article
System:
The UNT Digital Library
Appropriations for FY2002: Interior and Related Agencies
Appropriations are one part of a complex federal budget process that includes budget resolutions, appropriations (regular, supplemental, and continuing) bills, rescissions, and budget reconciliation bills. This report is a guide to one of the 13 regular appropriations bills that Congress passes each year. It is designed to supplement the information provided by the House and Senate Interior Appropriations Subcommittees.
Date:
November 9, 2001
Creator:
Hardy-Vincent, Carol & Boren, Susan
Object Type:
Report
System:
The UNT Digital Library
Arbuckle Mountains
Photograph of a scene the Arbuckle Mountains.
Date:
April 9, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arbuckle Mountains
Photograph of a scene the Arbuckle Mountains.
Date:
April 9, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arbuckle Mountains
Photograph of a scene the Arbuckle Mountains.
Date:
April 9, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arbuckle Mountains
Photograph of a scene the Arbuckle Mountains.
Date:
April 9, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arbuckle Mountains
Photograph of a scene on Interstate 35, in the Arbuckle Mountains.
Date:
April 9, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arbuckle Mountains
Photograph of a scene on Interstate 35, in the Arbuckle Mountains.
Date:
April 9, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arbuckle Mountains
Photograph of a scene on Interstate 35, in the Arbuckle Mountains.
Date:
April 9, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Archer County News (Archer City, Tex.), No. 32, Ed. 1 Thursday, August 9, 2001
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
August 9, 2001
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
Atmospheric-Pressure Plasma Cleaning of Contaminated Surfaces
Project was to develop a low-cost, environmentally benign technology for the decontamination and decommissioning of transuranic waste. With the invention of the atmospheric-pressure plasma jet the goal was achieved. This device selectively etches heavy metals from surfaces, rendering objects radiation free and suitable for decommissioning. The volatile reaction products are captured on filters, which yields a tremendous reduction in the volume of the waste. Studies on tantalum, a surrogate material for plutonium, have shown that etch rate of 6.0 microns per minute can be achieved under mild conditions. Over the past three years, we have made numerous improvements in the design of the plasma jet. It may now be operated for hundreds of hours and not undergo any degradation in performance. Furthermore, small compact units have been developed, which are easily deployed in the field.
Date:
January 9, 2001
Creator:
Hicks, Robert F. & Selwyn, Gary S.
Object Type:
Report
System:
The UNT Digital Library
Atmospheric Radiation Measurement Program Facilities Newsletter, December 2000.
Monthly newsletter discussing news and activities related to the Atmospheric Radiation Measurement Program, articles about weather and atmospheric phenomena, and other related topics.
Date:
January 9, 2001
Creator:
Atmospheric Radiation Measurement Program (U.S.)
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Authority of the Federal Energy Regulatory Commission to Fix Electricity Rates and Charges and to Require Refund Payments by a Public Utility
Sections 205 and 206 of the Federal Power Act concern rates and charges collected by a public utility in transmitting or selling electric energy in interstate commerce. These rates and charges are required to be just and reasonable. States retain jurisdiction over facilities for generation, distribution, or transmission of electric energy in intrastate commerce. The Commission has the authority to determine that an existing rate is unjust or unreasonable and set a new rate. In certain situations Federal Energy Regulatory Commission (FERC) may have authority to refund amounts paid in excess of just and reasonable rates. Case law is useful in determining when such a situation may exist.
Date:
January 9, 2001
Creator:
Seitzinger, Michael V.
Object Type:
Report
System:
The UNT Digital Library
Automated real-time testing (ARTT) for embedded control systems (ECS).
Many of today's automated real-time testing systems for embedded systems were developed using expensive custom hardware and software. In this article they describe how to use commercially available off-the-shelf hardware and software to design and develop an automated real-time test systems for Embedded Programmable Logic Controller (PLC) Based Control Systems. The system development began with the implementation of the VALI/TEST Pro testing methodology as a means for structuring the testing. Using this methodology, they were able to decompose system requirement documents for a Personnel Safety System (PSS) into its high, intermediate and detail level requirements. next, the validation procedures for the PSS system were decomposed into testing units called builds, test runs and test cases. To measure the PSS system's test coverage three levels of system requirements were mapped to their respective unit level of test using a specially constructed validation matrix that was designed to handle over 150 test cases and requirements. All of the above work led to the development of an Automated Real-Time Test System (ARTTS) that is capable of performing complete black box testing in real-time for Embedded PLC Based Control Systems. Also note, that the PSS system under test and mentioned in this paper is …
Date:
August 9, 2001
Creator:
Hawkins, Jon; Howard, Reginald B. & Nguyen, Haung V.
Object Type:
Article
System:
The UNT Digital Library
Autonomous pathogen detection system 2001
The objective of this project is to design, fabricate and field-demonstrate a fully Autonomous Pathogen Detector (identifier) System (APDS). This will be accomplished by integrating a proven flow cytometer and real-time polymerase chain reaction (PCR) detector with sample collection, sample preparation and fluidics to provide a compact, autonomously operating instrument capable of simultaneously detecting multiple pathogens and/or toxins. The APDS will be designed to operate in fixed locations, where it continuously monitors air samples and automatically reports the presence of specific biological agents. The APDS will utilize both multiplex immuno and nucleic acid assays to provide ''quasi-orthogonal'', multiple agent detection approaches to minimize false positives and increase the reliability of identification. Technical advancements across several fronts must first be made in order to realize the full extent of the APDS. Commercialization will be accomplished through three progressive generations of instruments. The APDS is targeted for domestic applications in which (1) the public is at high risk of exposure to covert releases of bioagent such as in major subway systems and other transportation terminals, large office complexes, and convention centers; and (2) as part of a monitoring network of sensors integrated with command and control systems for wide area monitoring of …
Date:
January 9, 2001
Creator:
Langlois, R. G.; Wang, A.; Colston, B.; Masquelier, D.; Jones, L.; Venkateswaran, K. S. et al.
Object Type:
Report
System:
The UNT Digital Library
Aviation Rulemaking: Further Reform Is Needed to Address Long-standing Problems
A chapter report issued by the General Accounting Office with an abstract that begins "The Federal Aviation Administration (FAA) issues regulations to strengthen aviation safety and security and to promote the efficient use of airspace. FAA's rulemaking is a complicated process intended to ensure that all aspects of any regulatory change are fully analyzed before any change goes into effect. During the last 40 years, many reports have documented problems in FAA's rulemaking efforts that have delayed the formulation and finalization of its rules. This report reviews FAA's rulemaking process. GAO reviewed 76 significant rules and found that FAA's rulemaking process varied widely. These rules constituted the majority of FAA's workload of significant rules from fiscal year 1995 through fiscal year 2000. GAO found that FAA had begun about 60 percent of the rulemaking projects by Congress and about a third of the rulemaking projects recommended by the National Transportation Safety Board within six months. For one-fourth of the mandates and one-third of the recommendations however, at least five years passed before FAA began the process. Once the rule was formally initiated, FAA took a median time of two and a half years to proceed from formal initiation of the …
Date:
July 9, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 79, No. 44, Ed. 1 Tuesday, January 9, 2001
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
January 9, 2001
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 79, No. 75, Ed. 1 Friday, February 9, 2001
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
February 9, 2001
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 79, No. 103, Ed. 1 Friday, March 9, 2001
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
March 9, 2001
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 79, No. 134, Ed. 1 Monday, April 9, 2001
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
April 9, 2001
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 79, No. 195, Ed. 1 Saturday, June 9, 2001
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
June 9, 2001
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 79, No. 225, Ed. 1 Monday, July 9, 2001
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
July 9, 2001
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 79, No. 256, Ed. 1 Thursday, August 9, 2001
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
August 9, 2001
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 79, No. 287, Ed. 1 Sunday, September 9, 2001
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
September 9, 2001
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History