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i, <br /> - Quarterly Groundwater Monitorirtg Report Purge 3 <br /> Analytic results for past sampling events and this round of sampling are presented in <br /> 4L Table 2. The chain-of-custody form and laboratory reports with quality <br /> assurance/quality control documents are included as Appendices D and E, <br /> respectively, <br /> COMMENTS <br /> The groundwater flow direction and gradient was similar to the last sampling event of <br /> June 19,1992. Samples collected from groundwater monitor wells MW-1 and MW-3 <br /> through MW-6 had concentrations of TPH-g and BTEX below detection limits. <br /> Levels of TPH-g and benzene have increased in samples from well MW-2. <br /> We recommend that you forward copies of this report to the following regulatory <br /> agencies and representatives: <br /> Mr. Mike Infurna I <br /> Public Health Service/Environmental Health Division <br /> San Joaquin County <br /> P.O. Box 2009 ` <br /> Stockton, CA 95201 <br /> Mr. James B. Maughan <br /> Central Valley Region <br /> California RWQCB <br /> 3443 Routier Road <br /> Sacramento,CA 95201 <br /> i <br /> Artesian is pleased to provide environmental consulting and contracting services to <br /> Exxon Company, U.S.A. Please call us at(415)381-6456 if you have any <br /> questions. <br /> Sincerely, <br /> Artesian Environmental Consultants, Inc. <br /> �'gEc Geo <br /> Jennifer A. Krebs <br /> Environmental Scientist <br /> Na. 4815 <br /> ck T <br /> Ja4es A. Jacob's, R.G. #Q8 �Tft, <br /> or cm-Wj�P <br /> Principal Geologist <br /> cc: Greg DeMarzo, Exxon U, S. A. <br /> I+u� �Iti rrr:i R.•�1� �uil "+�;5•tiltil M .i ilrt � .i •1 iV� ! l .ii i � iti - ii i ;.i • � � i1; i + ti �t <br /> Q <br />