<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-19T13:30:16Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/59654" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/59654</identifier><datestamp>2026-06-06T01:05:17Z</datestamp><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_131023</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">F. Dale Morgan.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Lambert, Michael B. (Michael Brian), 1980-</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Dept. of Earth, Atmospheric, and Planetary Sciences.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences</dim:field>
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   <dim:field mdschema="dc" element="date" qualifier="accessioned">2010-10-29T18:03:16Z</dim:field>
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   <dim:field mdschema="dc" element="date" qualifier="copyright" lang="en_US">2003</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">2003</dim:field>
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   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">54535091</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (S.M. in Geosystems)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2003.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (leaves 47-48).</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract" lang="en_US">Spectral induced polarization measurements were acquired in six cross-borehole panels within four boreholes at the Savannah River Site. The investigation was performed to delineate the presence of dense non-aqueous phase liquids (DNAPL) which were periodically released from the 1950's through the 1980's at the A-14. Measurements were made at 1/4 and 1/16 Hertz and the first four odd harmonics. Data inversion for model parameters was performed with the use of proprietary Earth Resources Laboratory inversion codes. Results indicate the possible presence of three main zones of contamination within the region of our wells. Based on the geophysical results, suggestions have been made regarding the location of three wells to be used for ground truthing.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Michael B. Lambert.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="degree" lang="en_US">S.M. in Geosystems</dim:field>
   <dim:field mdschema="dc" element="format" qualifier="extent" lang="en_US">57 leaves</dim:field>
   <dim:field mdschema="dc" element="language" qualifier="iso" lang="en_US">eng</dim:field>
   <dim:field mdschema="dc" element="publisher" lang="en_US">Massachusetts Institute of Technology</dim:field>
   <dim:field mdschema="dc" element="rights" lang="en_US">M.I.T. theses are protected by &#xd;
copyright. They may be viewed from this source for any purpose, but &#xd;
reproduction or distribution in any format is prohibited without written &#xd;
permission. See provided URL for inquiries about permission.</dim:field>
   <dim:field mdschema="dc" element="rights" qualifier="uri" lang="en_US">http://dspace.mit.edu/handle/1721.1/7582</dim:field>
   <dim:field mdschema="dc" element="subject" lang="en_US">Earth, Atmospheric, and Planetary Sciences.</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">Cross borehole induced polarization to detect subsurface NAPL at the Savannah River Site, South Carolina</dim:field>
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   	&lt;Title>Cross borehole induced polarization to detect subsurface NAPL at the Savannah River Site, South Carolina&lt;/Title>
   	&lt;Subtitle>Cross borehole induced polarization to detect subsurface non-aqueous phase liquids at the Savannah River Site, South Carolina&lt;/Subtitle>
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   	&lt;PublicationDate>2003&lt;/PublicationDate>
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        	&lt;DisplayName>Lambert, Michael B. (Michael Brian), 1980-&lt;/DisplayName>
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   	&lt;Abstract>Spectral induced polarization measurements were acquired in six cross-borehole panels within four boreholes at the Savannah River Site. The investigation was performed to delineate the presence of dense non-aqueous phase liquids (DNAPL) which were periodically released from the 1950&amp;apos;s through the 1980&amp;apos;s at the A-14. Measurements were made at 1/4 and 1/16 Hertz and the first four odd harmonics. Data inversion for model parameters was performed with the use of proprietary Earth Resources Laboratory inversion codes. Results indicate the possible presence of three main zones of contamination within the region of our wells. Based on the geophysical results, suggestions have been made regarding the location of three wells to be used for ground truthing.&lt;/Abstract>
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