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S E C 0 R - - -- - <br /> . Ms Anastasia Duarte-Wilkinson <br /> February 4, 2004 <br /> Page 3 <br /> FORTHCOMING ACTIVITIES <br /> During the first quarter of 2004, SECOR will conduct groundwater monitoring and sampling activities at the <br /> site The results of these activities will be summarized in a quarterly monitoring report to be submitted to you <br /> in April 2004 <br /> In order to evaluate the effectiveness of the SVE system,SECOR will perform assessment activities involving <br /> the advancement of confirmation borings in the area previously remedlated by SVE SECOR will prepare a <br /> site conceptual model (SCM) based on the results of the investigation to determine if the site qualifies for no <br /> further action (NFA) status If the site meets NFA requirements, SECOR will submit documentation <br /> requesting site closure in California Tri-Regional Board staff Appendix B format <br /> This report presents our understanding of existing conditions at the subject site The conclusions contained <br /> herein are based on the analytical results and professional judgment, which are in accordance with current <br /> standards of professional practice,no other warranty is expressed or Emptied SECOR assumes no liability for <br /> exploratory borings or data reported by other consultants or contractors <br /> Sincerely, OG <br /> SECOR International Incorporated <br /> 1;-1-W__, / <br /> , d'L�� L No.GIN <br /> . Todd J Brown Joh E Bower, R G <br /> Associate Geologist ncipal Geologist 9rF OF CA►-�FO�a <br /> TJB/JEB kf <br /> Attachments Figure 1 —Site Location Map <br /> Figure 2—Groundwater Elevation Contour Map—October 20, 2003 <br /> Figure 3—Dissolved Hydrocarbon Concentration Map—October 20,2003 <br /> Figure 4—Site Plan Showing Remediation System Wells, Piping, and Treatment System <br /> Table 1 —Groundwater Potentiometric Elevations <br /> Table 2—Groundwater Sample Analytical Results <br /> Table 3—Groundwater Analytical Results for Fuel Oxygenates <br /> Attachment 1 — Field Data Sheets <br /> Attachment 2-- Laboratory Analytical Report <br /> cc Mr Harlin Knoll, San Joaquin County Public Health Services <br /> Ms Elizabeth Thayer, California Regional Water Quality Control Board <br /> 1\Time OiNLookeford\QMRs12001-20031Lockeford 04-43 doe SECOR International Incorporated <br />