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Field Investigation to Determine the Extent of Sediment Recontamination at the United Heckathorn Superfund Site, Richmond, California
This field investigation was undertaken to determine the present condition of sediment in Lauritzen Channel and Parr Canal approximately 2 years after completion of sediment remedial actions at the United Heckathorn Superfund site. The study was designed to supplement the post-remediation monitoring program by determining the extent and identifying potential sources of observed pesticide contamination in marine sediments near the site. Core samples collected from Lauritzen Channel and Parr Canal in July 1999 were described geologically, and samples were prepared from different sediment types, such as younger bay mud or older bay mud. Sediment samples were analyzed for grain size, organic carbon, and DDT compounds. Only minor changes have occurred in Parr Canal since remedial actions were taken in 1996-1997, but in Lauritzen Channel, DDT concentrations exceed the remedial goal of 590 ug/kg dry weight in nearly all the unconsolidated sediment (younger bay mud, sand, and disturbed older bay mud). The source of contaminated sediment could not be confirmed by this study; there was no clear correlation between high DDT concentrations and sediment remaining between the pilings, as was originally suspected. There also was no correlation between high DDT concentrations in sediment and the locations of outfalls, although some of …
Date:
November 16, 2001
Creator:
Kohn, Nancy P. & Gilmore, Tyler J.
Object Type:
Report
System:
The UNT Digital Library
Today Cedar Hill (Duncanville, Tex.), Vol. 36, No. 22, Ed. 1 Thursday, August 16, 2001
Weekly newspaper published in Duncanville, Texas that includes local Cedar Hill, state, and national news along with advertising.
Date:
August 16, 2001
Creator:
Crooks, Kristi
Object Type:
Newspaper
System:
The Portal to Texas History
University Press (Beaumont, Tex.), Vol. 77, No. 31, Ed. 1 Friday, February 16, 2001
Semiweekly newspaper from Lamar University in Beaumont, Texas that includes local, national, and campus news along with advertising.
Date:
February 16, 2001
Creator:
Cobb, Joshua
Object Type:
Newspaper
System:
The Portal to Texas History
Bogata News (Bogata, Tex.), Vol. 91, No. 13, Ed. 1 Thursday, August 16, 2001
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
August 16, 2001
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean/Herald (Rusk, Tex.), Vol. 152, No. 26, Ed. 1 Thursday, August 16, 2001
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
August 16, 2001
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
Copyright Cases in the Courts: Napster, MP3 Digital Music, and DVD Motion Picture Encryption Technology
This report discusses copyright cases in the courts, including Napster, MP3 digital music, and DVD motion picture.
Date:
February 16, 2001
Creator:
Jeweler, Robin
Object Type:
Report
System:
The UNT Digital Library
Air Quality and Emissions Trading: A Primer
This report briefly discusses the extent to which emissions trading has been used in the United States, explains how trading programs work, analyzes factors that can influence the effectiveness of trading, and examines some of the principal arguments related to the use of trading to control air pollution.
Date:
April 16, 2001
Creator:
Bearden, David M.
Object Type:
Report
System:
The UNT Digital Library
Ergonomics in the Workplace: Is it Time for An OSHA Standard?
None
Date:
January 16, 2001
Creator:
Rappaport, Edward
Object Type:
Report
System:
The UNT Digital Library
Micromechanics of Transformation Superplasticity in Ti-6Al-4V/TiBw Composites
Transformation superplasticity is a deformation mechanism induced by thermally-cycling a polymorphic material through the phase transformation range while simultaneously applying an external biasing stress. Unlike microstructural superplasticity, which requires a fine, equiaxed grain structure, this mechanism can be applied to coarse-grained alloys and composites. In this article, we review our research on transformation superplasticity of Ti-6Al-4V/TiB-whisker reinforced composites, during thermal cycling through the titanium {alpha}/{beta} transformation range. The composites exhibit Newtonian flow and superplastic extension under these conditions. We describe the constitutive behavior of composites containing 0, 5 and 10 vol% reinforcing whiskers, and consider the effects of load transfer from matrix to whisker on superplastic deformation using existing rheological models. Additionally, strain hardening due to gradual whisker alignment is observed, and rationalized in terms of increased load transfer for aligned whiskers.
Date:
October 16, 2001
Creator:
Schuh, C & Dunand, D C
Object Type:
Article
System:
The UNT Digital Library
In-situ Studies of Highly Charged Ions at the LLNL EBIT
The properties of highly charged ions and their interaction with electrons and atoms is being studied in-situ at the LLNL electron beam ion traps, EBIT-II and SuperEBIT. Spectroscopic measurements provide data on electron-ion and ion-atom interactions as well as accurate transition energies of lines relevant for understanding QED, nuclear magnetization, and the effects of relativity on complex, state-of-the-art atomic calculations.
Date:
August 16, 2001
Creator:
Beiersdorfer, P
Object Type:
Article
System:
The UNT Digital Library
The Former Soviet Union and U.S. Foreign Assistance
None
Date:
January 16, 2001
Creator:
Tarnoff, Curt
Object Type:
Report
System:
The UNT Digital Library
[State Membership]
List of members in 2001 with addresses and other contact information.
Date:
March 16, 2001
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
Texas Stonewall Democratic Caucus Custom Report
Custom report with a net income of $355.00 for the period ending on March 16, 2001. There is a balance sheet of total liabilities and equity of $355.00. Included is a general ledger of all the financial transactions as of March 16, 2001. Also, there is an Officers and Board of Directors phone list.
Date:
March 16, 2001
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 126, No. 12, Ed. 1 Thursday, August 16, 2001
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
August 16, 2001
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
[News Clip: We Shall Overcome]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
September 16, 2001, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Microbial Communities Model Parameter Calculation for TSPA/SR
This calculation has several purposes. First the calculation reduces the information contained in ''Committed Materials in Repository Drifts'' (BSC 2001a) to useable parameters required as input to MING V1.O (CRWMS M&O 1998, CSCI 30018 V1.O) for calculation of the effects of potential in-drift microbial communities as part of the microbial communities model. The calculation is intended to replace the parameters found in Attachment II of the current In-Drift Microbial Communities Model revision (CRWMS M&O 2000c) with the exception of Section 11-5.3. Second, this calculation provides the information necessary to supercede the following DTN: M09909SPAMING1.003 and replace it with a new qualified dataset (see Table 6.2-1). The purpose of this calculation is to create the revised qualified parameter input for MING that will allow {Delta}G (Gibbs Free Energy) to be corrected for long-term changes to the temperature of the near-field environment. Calculated herein are the quadratic or second order regression relationships that are used in the energy limiting calculations to potential growth of microbial communities in the in-drift geochemical environment. Third, the calculation performs an impact review of a new DTN: M00012MAJIONIS.000 that is intended to replace the currently cited DTN: GS9809083 12322.008 for water chemistry data used in the current …
Date:
July 16, 2001
Creator:
Jolley, D.
Object Type:
Report
System:
The UNT Digital Library
Data Qualification Report For: Thermodynamic Data File, DATA0.YMP.R0 For Geochemical Code, EQ3/6
The objective of this work is to evaluate the adequacy of chemical thermodynamic data provided by Lawrence Livermore National Laboratory (LLNL) as DataO.ymp.ROA in response to an input request submitted under AP-3.14Q. This request specified that chemical thermodynamic data available in the file, Data0.com.R2, be updated, improved, and augmented for use in geochemical modeling used in Process Model Reports (PMRs) for Engineered Barrier Systems, Waste Form, Waste Package, Unsaturated Zone, and Near Field Environment, as well as for Performance Assessment. The data are qualified in the temperature range 0 to 100 C. Several Data Tracking Numbers (DTNs) associated with Analysis/Model Reports (AMR) addressing various aspects of the post-closure chemical behavior of the waste package and the Engineered Barrier System that rely on EQ316 outputs to which these data are used as input, are Principal Factor affecting. This qualification activity was accomplished in accordance with the AP-SIII.2Q using the Technical Assessment method. A development plan, TDP-EBS-MD-000044, was prepared in accordance with AP-2.13Q and approved by the Responsible Manager. In addition, a Process Control Evaluation was performed in accordance with AP-SV.1Q. The qualification method, selected in accordance with AP-SIII.2Q, was Technical Assessment. The rationale for this approach is that the data in …
Date:
October 16, 2001
Creator:
Cloke, P.L.
Object Type:
Report
System:
The UNT Digital Library
The Ranger (San Antonio, Tex.), Vol. 77, No. 10, Ed. 1 Friday, November 16, 2001
Weekly student newspaper from San Antonio College in San Antonio, Texas that includes campus news along with advertising.
Date:
November 16, 2001
Creator:
San Antonio College
Object Type:
Newspaper
System:
The Portal to Texas History
Mount Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 127, No. 2, Ed. 1 Thursday, August 16, 2001
Weekly newspaper from Mount Vernon, Texas that includes local, state, and national news along with advertising.
Date:
August 16, 2001
Creator:
Bush-Reves, Lillie
Object Type:
Newspaper
System:
The Portal to Texas History
The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 206, No. 6, Ed. 1 Friday, February 16, 2001
Weekly newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
February 16, 2001
Creator:
Keys, Scott & Lamb, Bill
Object Type:
Newspaper
System:
The Portal to Texas History
The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 206, No. 10, Ed. 1 Friday, March 16, 2001
Weekly newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
March 16, 2001
Creator:
Keys, Scott & Alsobrook, Bruce
Object Type:
Newspaper
System:
The Portal to Texas History
The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 106, No. 45, Ed. 1 Friday, November 16, 2001
Weekly newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
November 16, 2001
Creator:
Keys, Scott & Alsobrook, Bruce
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 106, No. 39, Ed. 1 Wednesday, May 16, 2001
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
May 16, 2001
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 106, No. 22, Ed. 1 Friday, March 16, 2001
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
March 16, 2001
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History