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COLUMBIA ANALYTICAL SERVICES, INC <br /> QA/QC Report -.. <br /> • Client EMCON Associates Date Received 09/02/93 <br /> 1 Project EMCON Project No OG71-038 01 Service Request No SJ93-1 101 <br /> Arco Facility No 2168 Sample Matrix Water <br /> I <br /> Continuing Calibration Summary <br /> Oil and Grease, IR <br /> SM5520-C <br /> I <br /> CAS <br /> I <br /> Percent <br /> Recovery <br /> True Percent Acceptance <br /> Analyte Value Result Recovery Criteria <br /> Hydrocarbon Mix 40 39 1 98 90-110 <br /> Approved by Date <br /> Q')4 Qi^n ✓-4 A .n.. n • C.... I.en remit. ^5, 1, _i���___ ..,e ^, ., __ _ ^- <br />