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' • COLUMBIA ANALYTICAL SERVICEOC. <br /> ' QA/QC Report <br /> Client: EMCON Service Request: K9504079 <br /> Project: Tosco-Tracv/#2788-100.02 Date Collected: 6/29/95 <br /> Sample Matrix: Soil Date Received: 7/1/95 <br /> Date Extracted: 7/3/95 <br /> ' Date Analyzed: 7/5-6/95 <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-4-11' K9504079-006 77 <br /> Method Blank K950703-MB 83 <br /> ' CAS Acceptance Limits: 56-116 <br /> 1 <br /> ' Approved Bv: I �k�yl g {�IRJ 1 Date: 7I 7 �9s <br /> SURI/111594 <br /> ' 040 MCIP1 TPNsSUR7/7/95 <br /> Page No.: <br /> uorl �. ^ <br />