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( <br /> i <br /> C A M B R I A <br /> AUG 2> 0 201 . <br /> August 17,20.01 <br /> Ms. Lori Duncan Ef��R�TISFRVICE <br /> S <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue,Third Floor <br /> Stockton, California 95202 <br /> I <br /> Re: Groundwater Monitoring Report—Second Quarter 2001 <br /> i Former Texaco Service Station <br /> 440 West Charter Way <br /> Stockton, California <br />° SAP Code 121258 <br /> Incident No. 88870583 <br /> SJCPHS/EHD Site Code: 1055 <br /> Dear Ms. Duncan: <br /> , <br /> Cambria Environmental Technology, Inc. (Cambria) prepared this report on behalf. of:Equiya <br /> Services LLC in accordance with quarterly reporting requirements issued by the Central Valley <br /> Regional Water Quality Control Board and San Joaquin County Public Health Services, <br /> it Environmental Health Division (SJCPHS). <br /> { SECOND QUARTER 2001 ACTIVITIES <br /> ( Blaine Tech Services, Inc. (Blaine)of San Jose, California gauged and sampled the site wells and <br /> { prepared a summary table of field gauging data and gasoline constituents. Cambria compiled the <br /> additional constituents and oxygenates (Table 1), prepared a site vicinity map (Figure 1), and <br /> prepared a groundwater contour/chemical concentration map (Figure 2). Blame's report, <br /> presenting the laboratory report, is included as Appendix A. <br /> THIRD QUARTER 2001 ACTIVITIES <br /> a Blaine will gauge and sample the site wells.:according tao the existing sampling schedule and <br /> Oakland, CA tabulate the data. Cambria will prepare a groundwater monitoring report. Cambria is in the <br /> San Ramon, CA process of updating the access agreement with-the property owner of 1444 Lincoln Street so'we <br /> Sonoma, CA <br /> Portland, OR can access the property for destruction of well-MW-16. <br /> Cambria CONCLUSIONS AND RECOMMENDATIONS <br /> Environmental <br /> Technology,Inc. <br /> Groundwater samples collected from the monitoring wells this quarter contained petroleum <br /> Perkins Street hydrocarbon concentrations similar to previous quarters' concentrations. <br /> P.Q.Box 259 <br /> Sonoma,CA 95476 <br /> Tel(707)935-4850 <br /> Fax(707)935-6649 <br />