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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>DELINEATION OF A HYDROCARBON (WEATHERED GASOLINE) PLUME IN SHALLOW DEPOSITS AT THE U.S. NAVAL WEAPONS STATION, SEAL BEACH, CALIFORNIA; WATER RESOURCES INVESTIGATION</title>
      <link>https://trid.trb.org/View/406109</link>
      <description><![CDATA[Gasoline from a leaking underground storage tank at the U.S. Naval Weapons Station in Seal Beach, California, was found to have spread almost radially through the shallow subsoil a distance of 150 to 300 feet from the source. Deposits in an area of 160,000 square feet in a zone 1 to 2 feet thick above the shallow water table are contaminated.  Seasonal and tidal fluctuations in ground water have spread the gasoline vertically in the subsoil and thereby reduced gasoline concentration below residual saturation in nearly all the contaminated area. Total quantity of gasoline contained in gasoline-unsaturated subsoil is estimated to be 5,800 gallons. The quantity present in gasoline-saturated subsoils was not determined.]]></description>
      <pubDate>Fri, 03 Oct 2003 00:00:00 GMT</pubDate>
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      <title>INTERNATIONAL OIL POLLUTION R AND D ABSTRACT DATABASE; PRELIMINARY ISSUE</title>
      <link>https://trid.trb.org/View/406060</link>
      <description><![CDATA[The preliminary issue of the International Oil Pollution R&D Abstract Database was prepared for distribution at the First International Oil Spill R&D Forum which was held in McLean, VA during June 1-4, 1992. The Database contains 231 one-page abstracts on all categories of oil pollution R&D including: bioremediation, burning, chemical countermeasures, decision support, disposal/storage, effects, fate, mechanical recovery, prevention, and surveillance/remote sensing.  Telephone directories for R&D sponsors and research organizations are included in the publication. A sample project description form and instructions are also included.]]></description>
      <pubDate>Mon, 03 Oct 1994 00:00:00 GMT</pubDate>
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      <title>COMPARISON OF BIOVENTING AND AIR SPARGING FOR IN SITU BIOREMEDIATION OF FUELS</title>
      <link>https://trid.trb.org/View/406023</link>
      <description><![CDATA[Bioremediation pilot-scale subsurface venting and sparging systems were operated at a low aeration rate at an aviation gasoline spill site.  Bioventing removed 99 percent of vadose zone contamination in 8 months with minimal surface emissions. The biosparging process is presently operating and has removed one-third of oily phase residue below the water table in 1 year. The ground water plume has been cleansed of benzene, toluene, ethylbenzene, and xylene (BTEX) components by sparging.]]></description>
      <pubDate>Mon, 03 Oct 1994 00:00:00 GMT</pubDate>
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      <title>TRANSPORT AND TRANSFORMATION OF HEXAVALENT CHROMIUM THROUGH SOILS AND INTO GROUND WATER; JOURNAL ARTICLE</title>
      <link>https://trid.trb.org/View/405938</link>
      <description><![CDATA[A detailed characterization of the underlying and adjacent soils of a chromeplating shop was performed to provide information on the extent of soil and aquifer contamination at the site on the potential for off-site migration and environmental impact. Intact, moist cores were obtained from more than 40 different locations, resulting in more than 200 discrete samples for total metal analysis, selective extraction tests, and adsorption-reduction experiments, to assess the chemical speciation and distribution of chromium on the contaminated soils and its leaching potential. Surface analytical techniques were also used to determine chemical speciation and to further elucidate mineral fractions responsible for retention of the chromium on the soils and sediments. Adsorption and reduction capacities of the saturated aquifer sediments were variable and low, while the unsaturated soils' reduction capacities were much greater and were correlated with depth (decreasing capacity with increasing depth). The soils' adsorption and reduction capacities were eventually overwhelmed, however, and permitted the passage of Cr(VI) into the underlying ground water. (Copyright (c) 1994 AEHS).]]></description>
      <pubDate>Mon, 03 Oct 1994 00:00:00 GMT</pubDate>
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      <title>ENVIRONMENTAL INVESTMENTS: THE COST OF A CLEAN ENVIRONMENT</title>
      <link>https://trid.trb.org/View/363894</link>
      <description><![CDATA[This report presents estimates of historical pollution control expenditures and projected future costs for each public sector and the private sector.  The time period covered includes the years 1972-2000.  Estimates of capital costs, operation and maintenance costs, and total annualized costs are presented for five categories of environmental media.  The report also uses the estimates to provide some comparisons of U.S. pollution control costs with those of several Western European nations, and to raise certain issues concerning costs that appear likely to prove important over the next several years.  In addition, the report presents some historical data on pollutant emissions and ambient pollution levels--the "output" of pollution control expenditures.  These data are indicators of the level of environmental quality over time that are not readily comparable to the monetary cost estimates presented in this report.  Chapter 1 provides an introduction and discusses the nature and scope of the cost estimates, the categories of costs considered, and conventions used throughout the analysis.  Chapter 2 examines briefly the data sources used.  The cost estimates are presented by media in Chapters 3 through 7.  Total costs are presented in Chapter 8 along with a discussion of major sources of uncertainty in these estimates.  Conclusions and data on environmental quality trends are presented in Chapters 9 and 10, respectively.  More detailed documentation for the cost estimates and data sources are provided in the Appendices.]]></description>
      <pubDate>Sun, 31 May 1992 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/363894</guid>
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      <title>ENVIRONMENTAL ASSESSMENT OF THE USE OF ALCOHOL FUELS IN HIGHWAY VEHICLES</title>
      <link>https://trid.trb.org/View/185018</link>
      <description><![CDATA[This environmental assessment examines the impacts of large-scale use of alcohol fuels as petroleum extenders (alcohol/gasoline blends) and petroleum substitutes (neat alcohol fuels) for highway vehicles. Impacts associated with alcohol fuel storage, distribution, and use are assessed under four possible scenarios of alcohol fuel use during the period 1980 to 2000. Alcohol use is projected to range from 196 million bbl/yr to 620 million bbl/yr by 2000, up from 5 million barrels in 1980. In addition to effects on the physical environment (aquatic and terrestrial ecosystems, air quality, and energy resources), consideration is given to the impacts of alcohol fuel use on such social and economic concerns as health and safety, employment, retail fuel costs, balance of trade, capital investments, and regulatory needs. Although some potentially negative impacts are identified, in general, the assessment finds that the use of alcohol fuels would have a positive or neutral effect on the environment; moreover, the negative impacts could be mitigated through the judicious application of existing regulatory controls and procedural standards. (ERA citation 06:034435)]]></description>
      <pubDate>Fri, 29 Apr 1983 00:00:00 GMT</pubDate>
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