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COLUMBIA ANALYTICAL SERVICES,INC <br /> QA/QC Report <br /> . Client Equiva Services Service Request 59901977 <br /> Prosect SAP 121258/Incident 88870583 Date Collected NA <br /> Sample Matrix Soil Date Received NA <br /> Date Extracted 6130199 <br /> Date Analyzed 718199 <br /> Matrix Spike/Duplicate Matrix Spike Summary <br /> TPH as Diesel <br /> Sample Name SP-I0B Units mg/Kg(ppm) <br /> Lab Code 5990197720MS, S990197720DMS Basis Wet <br /> Test Notes <br /> Percent Recovery <br /> CAS Relative <br /> Prep Analysis Spike Level Sample Spike Result Acceptance Percent Result <br /> Analyte Method Method MRL MS DMS Result MS DMS MS DMS Limits Difference Notes <br /> TPH as Diesel LUFT California DHS LUFT 1 100 100 49 140 100 91 51 28-157 33 <br /> Approved By Date <br />. OMsr020597p <br /> _ n, c <br />