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i <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY Unit Supervisors <br /> oG Carl Borgman,R.E.H.S. <br /> ?, Donna K.Reran,R.E.H.S. 304 East Weber Avenue, Third Floor <br /> Director Mike Huggins,RIA.S.,R.D.1, <br /> A]Olsen,R.E.H.S. Stockton, California 95202-2708 <br /> Douglas W.Wilson,R.E.H.S. <br /> • �.. P• Program Manager Tele hOrie: (2fl9) 46$-3420 Margaret Lagorio,R.E.H.S. <br /> 4 P <br /> {rro�a Laurie A.Cotulia,R.E.H.S. Robert McClellon,R.E.H.S. <br /> Program Manager Fax: (209) 464-013$ Mark Barcellos,R.E.H.S. <br /> LIZ SEWELL JUN 14 2004 <br /> CONOCOPHILLIPS <br /> 76 BROADWAY <br /> SACRAMENTO CA 95818 <br /> RE: 76 Service Station No. 11193 <br /> 3202 West Hammer Lane <br /> Stockton, California <br /> San Joaquin County Environmental Health Department (EHD) received a request from <br /> Secor International Incorporated (Secor) on .lune 10, 2004, for a deadline extension for <br /> completion of fieldwork to advance two cone penetrometer testing (CPT) borings at the <br /> site referenced above. The scope of work is described in Secor's Addendum to Revised <br /> Interim Remedial Action Plan and Work Plan for Ozone Sparge Well Installation and <br /> Additional Off-Site Assessment, dated March 29, 2004 and approved by EHD-by letter <br /> dated June 1, 2004. EHD is extending the deadline date for completion of the fieldwork <br /> from July 7, 2004 to August 31, 2004. <br /> In a telephone conversation on June 9, 2004, between Brice Hendricks at Secor and Vicki <br /> McCartney at EHD, Secor requested that the proposed offsite well, MW-12, be relocated <br /> slightly to the northwest to Kelley Drive from its previously proposed location on West <br /> Hammer Lane. The scope of work is described in Secor's Revised Interim Remedial <br /> Action Plan and Work Plan for Ozone Sparge Well Installation and Additional Off-Site <br /> Assessment, dated September 15, 2003, and approved by EHD by letter dated December <br /> 23, 2003. A map showing the new location for MW-12 was faxed to EHD on June 9, 2004. <br /> EHD approves the relocation for MW-12 to Kelley Avenue. <br /> EHD received a report titled Quarterly Summary Report First Quarter 2004 consisting of <br /> four pages. This report did not include any analytical summary tables, figures showing <br /> groundwater elevation contour maps, groundwater chemical concentration maps, nor field <br /> and laboratory data. These items are normally included in Secor's quarterly reports and <br /> may have been inadvertently omitted. Please resubmit this report and include this <br /> information. <br /> Also, the map showing the future locations for MW-11 and MW-12 inadvertently displays <br /> MW-8 as VW-8. Please revise this map. <br />