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: COLUMBIA ANALYTICAL SERVICES,INC <br /> QA/QC Report <br /> Client EMCON Service Request K9503129 <br /> Protect. ARCO Lodi 0760/TO# 17075 0011775-212 001 Date Collected. 5/16/95 <br /> Sample Matrix. Water Date Received: 5/19/95 <br /> Date Extracted: 5124/95 <br /> Date Analyzed. 5/27195 <br /> Matrix Spike Summary <br /> Oil and Grease Non-Polar <br /> SM 5520 B&F <br /> Units mg/L (ppm) <br /> CAS <br /> Percent <br /> Spiked Recovery <br /> Spike Sample Sample Percent Acceptance <br /> Sample Name Lab Code MRL Level Result Result Recovery Limits <br /> MW-1 (72) K9503129-001 1 50 ND 44 88 65-135 <br /> I <br /> SM Standard Methods for the Exammation of Water and Wastewater, 17th Ed, 1989 <br /> Approved By Date <br /> MSIA1120594 <br /> 03I29PHCSSI 5520MI-fns&1195 Piga No 1 <br />