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tory <br /> COLUMBIA ANALYTICAL SERVICES, INC. <br /> QA/QC Report a_ <br /> • Client EMCON Associates Date Received 11/01/93 <br /> Project, EMCON Project No OG71-038 01 Service Request No . SJ93-1339 <br /> Arco Facility No 2168 Sample Matrix- Water <br /> Continuing Calibration Summary <br /> Inorganics <br /> SM 5520 <br /> mg/L (ppm) <br /> CAS <br /> Percent <br /> Recovery <br /> True Percent Acceptance <br /> Analyte Value Result Recovery Criteria <br /> Hydrocarbons, IR 40 37 5 94 90-110 <br /> SM Standard Methods for the Examination of Water and Wastewater, 1 7th Ed , 1989 <br /> Approved by Date <br /> o1Q71 Rinnwnnri Avon,ia • ;nn inen rni 4nrn,n OSA'i • Tt,lnnF AMOIAn-F n.nn . C.- Ano IA 17 n ,ec <br />