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Former Chevron Station 9-5775 - 5 - 12 May 2009 <br />301 W Kettleman Lane, Lodi <br />defined both laterally and vertically, and is expected to continue to decrease to non -detect with <br />time by natural attenuation and/or biodegradation and poses minimal risk to sensitive <br />receptors, human health, or other beneficial uses of groundwater in the area. <br />Based on the minimal residual contamination in groundwater (in EX -3), lack of threats from <br />vapor intrusion, declining soil and groundwater concentrations since active remediation, <br />compliance with the tasks of CAO No. 5-00-704, and a well defined vertical and lateral extent <br />of pollution, no further action is warranted for the site. Staff recommends closure of this Site <br />and rescission of CAO No. 5-00-704. The required public participation comment period was <br />conducted without any adverse comments. All monitoring and remedial wells were properly <br />abandoned on 9 April 2009 <br />Attachments: Site Location Figure 1 <br />Site Plan with Well Locations Figure 2 <br />Site Groundwater Monitoring January 2008 Figure 3 <br />Site Plan With Soil Boring Location March 2008 Figure 4 <br />EX -1 and EX -3 MtBE Concentration Graphs vs. Time (4) <br />