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SENT BY:EMCON 4-22-99 ;10:07AM EMCON SACRAMENTO 209 946 8581;#39/40 <br /> COLUM I ANALYTICAL SERVICES, INC. <br /> QA/QC Report <br /> Client: EMCON Service Request; 59900997 <br /> Project: Teichert&Sone,S:ockton/201?90d02. 07 Date Collected: NA <br /> Sample Matrix: Soil Date Received: NA <br /> Date Extracted: NA <br /> Date Analysed: NA <br /> Surr�Ogate Recovery Summary <br /> BT X and TPH as Gasoline <br /> Prep Method- 802 5030 Units: PERCENT <br /> Analysis Method: 8020 CA/LIT1+T Basis: NA <br /> Test Percent Recovery <br /> Sample Name Lab Code I Notes 4-13romofluorobenzene a,a,a-Trifluorotoluene <br /> TK-86 S9900997-0111 i 103 104 <br /> 7X-8C S99mn7-002 106 94 <br /> TK-8W 59900997-003 I 103 93 <br /> DS-1(3.5) 59900997.004 I 101 104 <br /> DS-2(3.5) 59900997-005 100 104 <br /> PL-1(3.5) S99011997-006 96 98 <br /> Method Blank 59>U331•SBl 107 103 <br /> Method Blank 5990402-SBI <br /> If 102 102 <br /> I <br /> i <br /> I <br /> CAS Acceptance Limits: 51-137 51.137 <br /> I <br /> I <br /> Paye 22 <br />