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COLUMBIA ANALYTICAL SERVICES,INC. <br /> QA/QC Report <br /> [`I�cnt 1=v1CON Sernce Request: 5950534 <br /> PropLet. -\RCO FactlltN No 2093/EMCO\ PrnJect No 1775-706 001 Date Collected: 4125-26195 <br /> Sample Matrix Water Date Received: 4/28/95 <br /> Date Extracted: NA <br /> Date Analvzed: 514-5195 <br /> Surrogate Recovery Summary <br /> BTEX and TPH as Gasoline <br /> LPA Methods 5030/8020/Califorma DHS LUFT Method <br /> Percent Recovery <br /> Sample Name Lab Code a.,a,a-Trifluorotoluene <br /> ATR-1 (26) S950534-001 95 <br /> ATR-2 (28) 5950534-002 93 <br /> ATR-4(26) S950534-003 112 <br />• ATR-5 (26) 5950534-004 101 <br /> ATR-7 (26) S950534-005 95 <br /> ATR-9(24) S950534-006 96 <br /> ATR-10 (24) S950534-007 92 <br /> ATR-11 (23) 5950534-008 95 <br /> SMW-1 (18) S950534-009 99 <br /> ATR-2 (28)(MS) 5950534-002MS 96 <br /> ATR-2 (28)(DMS) S950534-002DMS 94 <br /> Method Blank S950504-WB1 92 <br /> Method Blank 5950505-WB1 95 <br /> CAS Acceptance Ltstuts 69-116 <br /> Approved By 41-1 Date 3- l Cls <br /> SURUG62994 <br /> 0534X[S GUM&W-VIMS P"PNo- <br /> 1921 Ringwood Avenue + Son Jose Caltfomio 95131 • Telephone 408/437-2400 • Fox 4081437-9358 <br /> n f' 4 <br />