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' Mr. James L. Barton <br /> April 8, 2009 <br /> Page 7 <br /> If you have any questions regarding this project, please contact Jennifer Johnston at(916) 362-7100. <br /> Sincerely, q?tOFESsj� <br /> Sinc y, <br /> AECOM Environment �c�� tiR ANN Jo''�l <br /> o = <br /> ' J fer Johnston, P.E. C72990 <br /> 'fit L1e "� D.N. PeacocPk', P4h'VD P.G. #7801 <br /> Senior Project Manager '}� "I :!,I �° � Program Manager <br /> Cl IL <br /> OfCALIF�� <br /> cc: Ms. Stephanie Furgal, Chevron Environmental Management Company <br /> Mr. Mike Infurna, San Joaquin County, Environmental Health Division <br /> Mr. Jay Allen, Stone Brothers Management Company <br /> Ms. Nicole Gleason, Downey Brand <br /> Attachments: <br /> ' Table <br /> 1 SVE System Operating Parameters and TPHg Mass Removal <br /> Figures <br /> 1 Site Location Map <br /> 2 Site Plan <br /> ' 3 Unit A/B —TPHg Iso-Concentration Map <br /> 4 Unit A/B — Benzene Iso-Concentration Map <br /> 5 Unit C -- TPHg Concentration Map <br /> 6 Unit C — Benzene Concentration Map <br /> 7 Unit D —TPHg Concentration Map <br /> 8 Unit D — Benzene Concentration Map <br /> 9 System Layout <br /> Attachments <br /> A Gettler Ryan, Inc. Report: First Quarter Event of January 7, 2009, Special Event of January 17, <br /> ' 2009, Groundwater Monitoring and Sampling Report <br /> B Data Validation Checklists <br /> C Charts of TPHg, Benzene, and Groundwater Elevation for MW-2, MW-3, MW-4, MW-6, MW-8D, <br /> MW-11, MW-25D <br /> D Cross-Section Location Map and Geologic Cross-Sections A-A', B-B', C-C' and D-D' <br /> E Mass Estimate Spreadsheet <br /> F AECOM O&M Field Data Sheets for January 13, February 2, and March 10, 2009 <br /> G Laboratory Analytical Report(January 13, February 2, and March 10, 2009 vapor samples) <br /> H Email correspondence to the CVWB <br /> ' <br /> AECOM <br /> AECOM Environment <br />