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COLUMBIA ANALYTICAL SERVICES, INC <br /> • QA/QC Report <br /> Client E�ICON Service Request 5950708 <br /> Project ,ARCO Faczi.n No 2133 / EMCON Project No 1775-709 001 Date Collected 6/1 2/95 <br /> Sample Matrix Water Date Recened 6/6/95 <br /> Date Extracted NA <br /> Date Anahzed 6/13 14/95 <br /> Surrogate Recovery 5unimary <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFT Method <br /> Percent Recovery <br /> Sample Name Lab Code oc,a.,a-Trifluorotoluene <br /> PR-1 (27) S950708-001 95 <br /> PR-2 (27) S950708-002 96 <br /> BHI]- 1(27) 5950708-003 110 <br /> BHD-2 (28) 5950708-004 90 <br /> E-2 (2 1) S950708-005 113 <br /> E-3 (17) 5950708-006 105 <br /> E-4 (2 1) S950708-007 122 <br /> E-5 (19) 5950708-008 117 <br /> E-7(18) S950708-009 94 <br /> E-8 (23) 5950708-010 98 * <br /> E-9 (18) S950708-011 110 <br /> E-11 (23) S950708-012 120 <br /> E-12 (16) S950708-013 92 <br /> MW-1 (29) S950708-014 90 <br /> MW-3 (28) S950708-015 91 <br /> MW4 (27) S950708-016 91 <br /> MW-5 (28) S950708-017 106 <br /> BHD-I (27)MS 5950708-003MS 109 <br /> BHI)-1 (27) DMS S950708-003DMS 108 <br /> Method Blank S950613-WB 94 <br /> Method Blank 5950614-WB 93 <br /> CAS Acceptance Limits 69-116 <br /> * The surrogate used for this sample was 4-bromofluorobenzene <br /> Approved By -'• feA.� Date <br /> SUK1/062994 <br /> 9507=-Nu GSrX.SrW 6119195 Pa6'�Nu 01 <br />