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' • COLUMBIA ANALYTICAL SERVICISPINC. <br /> QA/QC Report <br /> Client: EMCON Service Request: K9504079 <br /> ' Project: Tosco-Tracy/#2788-100.02 Date Collected: 6/29/95 <br /> Sample Matrix: Water Date Received: 7/1/95 <br /> Date Extracted: 7/7/95 <br /> Date Analyzed: 7/7/95 <br /> Surrogate Recovery Summary <br /> Total Petroleum Hydrocarbons as Diesel and Oil <br /> California DHS Luft Method <br /> ' Percent Recovery <br /> Sample Name Lab Code o-Terphenyl <br /> HP-4 K9504079-007 104 <br /> Method Blank K950707-WB 103 <br /> 1 <br /> CAS Acceptance Limits: 59-110 <br /> ' Approved By: lti L � y Date: <br /> SUR 1/111594 <br /> ' 04079PHC.MSi-T HwSURv/M PW No.: <br /> 00r, I � <br />