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I <br /> G - <br /> KYLE CHRISTIE <br /> C PAGE 2 <br /> I <br /> October 30, 1995, at 10: 00 a. m. at the office of PHS/EHD. A summary of this meeting is <br /> addressed in a separate letter. <br /> 1617 W. Fremont St., Stockton ARCO Facility 95450 <br /> PHS/EHD contact - Michael Infurna <br /> j Soil contamination was discovered during a recent line replacement. A workplan to investigate <br /> the full extent of the contamination will be submitted to PHS/EHD. <br /> 800 E. Kettleman, Lodi ARCO Facility #2076 <br /> PHS/EHD contact - Mary Meays <br /> The status of the site was discussed . Annual groundwater sampling was approved . PHS/EHD <br /> requested that the extent of the residual soil contamination be estimated and the potential of <br /> the contamination be evaluated . <br /> 1612 Hammer Lane, Stockton ARCO Facility #548 <br /> PHS/EHD contact - Mary Meays <br /> The pending tank removal was discussed. Mr. Christie indicated that he was now coordinating <br /> tank removals and upgrades at sites where contamination has already evidenced. He stated <br /> that by the end of February 1996 a tank removal/upgrade status update should be available. <br /> PHS/EHD inquired about any negotiation progress with Lincoln Properties to secure an access <br /> agreement to continue the off-site groundwater investigation and was informed that there was <br /> no response from Lincoln Properties following the second attempt through correspondence. <br /> PHS/EHD indicated that correspondence would be prepared to Lincoln Properties regarding <br /> their responsibility as a property owner should ARCO 's access to the property to continue the <br /> investigation and/or remediation not be granted. <br /> Subsequent to the January meeting , the review of the "Fourth Quarter 1995 Status Report" <br /> was completed. The first monitoring wells were installed in 1991 during an extended drought <br /> period and due to current groundwater conditions, all the monitoring wells are screened below <br /> first water. Therefore, evaluation of groundwater sample results should include a consideration <br /> of the monitoring well's construction. <br /> 2908 W. Ben Holt, Stockton ARCO Facility #2133 <br /> PHS/EHD contact - Mary Meays <br /> Discussed the volume of free product removed associated with the recent release. A summary <br /> of product removal will be included in future monitoring reports. PHS/EHD stated that analysis <br /> for fecal coliform has not been required for some time and should not be repeated. PHS/EHD <br /> reaffirmed that groundwater extraction is not an effective remedial alternative and ARCO <br /> concurred . PHS/EHD requested that the City of Stockton be notified that the groundwater <br /> extraction system will at least temporarily be discontinued. <br /> The reporting of analytical results, groundwater elevation/depth to water, and dissolved oxygen <br /> was discussed. PHS/EHD requested that summary tables be combined so that trends in depth <br /> to groundwater, analytical results and dissolved oxygen concentrations can be quickly <br /> observed. <br /> 85 East Louise, Lathrop ARCO Facility #6080 <br /> PHS/EHD contact - Linda Turkatte <br /> SITE CLOSED <br /> 225 South Cherokee Lane, Lodi ARCO Facility #760 <br /> PHS/EHD contact - Linda Turkatte <br /> Active remediation for this site is being reconsidered . A look at the cost/benefit analysis of <br /> natural attenuation/groundwater monitoring versus soil vapor extraction was discussed. <br /> PHS/EHD will reevaluate the original determination of soil volume/hydrocarbon mass that was <br /> performed for the known contamination at this site. An estimate of groundwater hydrocarbon <br />