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}, COLUMBIA ANALYTICAL SERVICES,INC. <br /> QA/QC Report <br /> Client EMCON Service Request: 5951018 <br /> Project 1775-212 001 I T0= 1-075 00/ 760 Lodi Date Collected- 8/11/95 <br /> Sample Matrix water Date Received- 8/16/95 <br /> Date Extracted, NA <br /> Date Analyzed: 8/24/95 <br /> Surrogate Recovery Summary <br /> BTEX and TPH as Gasoline <br /> EP Methods 5030/8020/California DHS LUFr Method <br /> Percent Recovery <br /> Sample NAme Lab Code (X,cx,a.-Trifluorotoluene <br /> MW-1 (72) 5951018-001 109 <br /> MW-2 (72) 5951018-002 91 <br /> MW-3 (74) 5951018-003 91 <br /> MS 595 1011-0 TOMS 86 <br /> DMS 595 1011-0 LODMS 90 <br /> Method Blank 5950824-WB 88 <br /> CAS Acceptance Limits 69-116 <br /> SURIM2994 <br /> Page 8 <br />