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COLUMBIA ANALYTICAL SERVICES,INC. <br /> r : QA/QC Report M1 <br /> Client: y EMCON�Associates Service Request: 5941406 <br /> Projcct:'4 TOSCO # !1 191 1 0952-089.02 Date Collected: 11/8194 <br /> Sample Matrix: Soil y" .4 Date Received: 11/9194 <br /> Date Extracted: 11/11/94 <br /> Date Analyzed: 11/15,16/94 <br /> A Surrogate Recovery Summary <br /> Hydrocarbon Scan <br /> California DHS LUFi'Method <br /> A f W <br /> Percent Recovery <br /> Sample Name Lab Code p-Terphenyl <br /> I 1 i91-THP1S-10 5941406-001 81' <br /> 11191-T-1P 1S-20 5941406-002 83 <br /> 11191-=lS-60 t 5941406-003 r 84 t <br /> 11191-THP2S-10 5941406-004 92 <br /> 11191-THP2S-25 ` " 5941406-005 84 s , <br /> 11191-THP3S-10 5941406-006 62 , <br /> 11191-THP3 S-15 r S941406-007 103 <br /> 11191-TD-1 5941406-008 �` 900 <br /> 11191-TD-2 5941406-009 ' 140 <br /> Method Blank S941111-SB 90 <br /> t . <br /> x <br /> CAS Acceptance Limits: 41-140 <br /> * Surrogate recovery outside of acceptance limits due to matrix interference. <br /> t <br /> Approved By: `r, . . 'Date: <br />