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� IEC0R - <br /> 7-Eleven Store#14117 <br /> Quarterly Groundwater Monitoring Report (4Q2005) <br /> . February 7, 2006 <br /> Page 4 <br /> GROUNDWATER SAMPLE ANALYSES AND RESULTS <br /> The groundwater samples collected from MW-1 through MW-8 were analyzed for TPHg, <br /> BTEX, and the fuel oxygenates MtBE, tert-butyl alcohol (TBA), dlisopropyl ether (DIPE), <br /> ethyl-tert-butyl ether (EtBE), tert-amyl-methyl ether (TAME), 1,2-dichloroethane (1,2-DCA), <br /> and 1,2-dibromoethane (EDB) by EPA Method 8260B The certified laboratory analytical <br /> report and chain-of-custody documentation are presented as Attachment B <br /> Groundwater analytical results are presented on Figure 3, and are summarized in Tables 1 <br /> and 2 <br /> PURGE AND RINSATE WATER DISPOSAL <br /> Water generated during well sampling and equipment cleaning was pumped into a SECOR <br /> truck-mounted water tank The water was transferred Into properly labeled 55-gallon drums <br /> and stored on-site The drummed non-hazardous petroleum hydrocarbon contaminated <br /> water is transported quarterly by Belshire Environmental to DeMenno Kerdoon in Compton, <br /> California, for disposal <br /> Sincerely, <br /> SECOR International Incorporated <br /> Prepared by Reviewed by <br /> Cohn Rya Damon Brown <br /> Staff Geologist Project Geologist <br /> Reviewed by �ONAL GFO <br /> ,lAFFREY S. ! <br /> Q AUCHTERLC NIE <br /> Jaff Auchterlonie, P G <br /> Senior Geologist <br /> NQ7816 <br /> ATTACHMENTS 9�oF 1� <br /> Figures CA4 <br /> Tables <br /> Attachment A— Field Notes <br /> Attachment B —Certified Laboratory Analytical Reports and Chain-of-Custody Documentation <br /> cc Mr Michael Infurna, San Joaquin County Environmental Health Department <br /> Mr James Barton, California Regional Water Quality Control Board —CVR <br /> Mr John Wainwright, SECOR, 308 East 4500 South, Suite 100, Murray, Utah 84107-3957 <br /> • <br /> 14117 05-4Q Report doc SECOR Intemabonal Incorporated <br />