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COLUMBIA ANALYTICAL SERVICE° 'SIC. <br /> QA/QC Report <br /> Client: Equiva Services Service Request: K9904880 <br /> Project: Incident# 88870583/SAP#121258 Date Collected: 6/29/99 <br /> Sample Matrix: Soil Date Received: 6/30/99 <br /> Date TCLP Performed: 7/27/99 <br /> Date Extracted: 7/28/99 <br /> Date Analyzed: 8/2/99 <br /> Matrix Spike Summary <br /> Toxicity Characteristic Leaching Procedure (TCLP) <br /> EPA Method 1311 <br /> Metals <br /> Sample Name: SP-IAB COMP Units: mg/L(ppm) <br /> Lab Code: K9904980-037MS Basis: NA <br /> Test Notes: <br /> Spiked <br /> Prep Analysis Spike Sample Sample Percent Result <br /> Analyte Method Method MRL Level Result Result Recovery* Notes <br /> Lead EPA 3010 6010A 0.05 5.0 ND 4.36 87 <br /> * Percent recovery information is provided in order to assess the performance of the method on this matrix. <br /> Approved By: Date: <br /> MS/031695 <br /> Page 13 <br />