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2.0 Chemical Analysis and Results <br /> Two(2) soil samples were collected from the stockpiled well destruction soil cuttings for analysis at Mff <br /> Analytical, Inc., certified analytical laboratory. The soil samples were composited by the laboratory. <br /> Samples were tested as follows:Total Petroleum Hydrocarbons as Gasoline(TPHG)and Diesel (TPHD), <br /> and Total Lead using EPA Methods 8015m, 8260B and 6010B. The laboratory analyzed samples on a <br /> "normal"turnaround basis and the analytical report is attached. <br /> The chemical analysis results of the well destruction soil show that TPHG was not detected at <1 <br /> milligram per kilogram (Mg/kg), TPHD was detected at 10 Mg/kg and Lead was detected at 5.7 Mg/kg. <br /> These results are below the current Regional Water Quality Control Board Environmental Screening <br /> Levels(Nov.2007,updated May 2008 interim draft version,Table A shallow soil <i meters,groundwater <br /> is a possible source of drinking water)for TPHG at 83Mg/kg,TPHD at 83 Mg/kg and Lead at 200 Mg/kg. <br /> Wright has spread approximately one(1) cubic yard of well destruction soil onsite, in planted landscape <br /> areas along the east property line as indicted on Figure 1. The concrete, steel and plastic well materials <br /> were disposed at Tracy Material Recovery where they were recycled(see attached receipt/weight ficket). � <br /> 3.0 State Well Completion Reports <br /> Stale Well Completion Reports were completed for each monitoring well destruction (see attached <br /> Reports). ff you have any questions,please call or write. <br /> Sincerely, <br /> Wright Environmental Services,Inc. NAL c'F <br /> ��Gjy`�pHER M o9 0 <br /> `P c?Q No.l2l 2 y G? <br /> CERTIFIED to <br /> 0LENGINEERING; <br /> John Lynch Christopher M.Palmer GEOLOGIST <br /> President C.E.G. 1262 . NT901 // <br /> rFOP CA��F�P <br /> Cc: Mr.Michael Infuma,San Joaquin County Environmental Health Department <br /> Mr.James Barton,State of California Regional Water Quality Control Board <br /> Mr.Earl Breitstein, Firestone Tire <br /> Ms.Janice Brown <br /> Mr.Gary Cox <br /> Attachments: Figure ]. Well Location Map <br /> San Joaquin County Well Destruction Permit <br /> State Well Completion Reports <br /> Chemical Analytical Report and Chain-of-Custody <br /> Tracy Material Recovery Receipt/Weight Ticket <br /> Hazardous Waste Disposal Manifest No.006061358 JJK <br /> - Page 2 oft <br />