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COLUMBIA ANALYTICAL SERVICE'' -NC. <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: 7/27-28/99 <br /> Date Extracted: NA <br /> Date Analyzed: 7/29/99 <br /> Surrogate Recovery Summary <br /> Toxicity Characteristic Leaching Procedure(TCLP) <br /> EPA Method 1311 <br /> Volatile Organic Compounds <br /> Prep Method: EPA 1311 Units: PERCENT <br /> Analysis Method: 8260B Basis: NA <br /> Test P e r c e n t R e c o v e r y <br /> Sample Name Lab Code Notes Dibromofluoromethane Toluene-d8 4-Bromofluorobenzene <br /> SP-IOAB COMP K9904880-046 106 100 92 <br /> SP-1 IAB COMP K9904880-047 100 98 96 <br /> SP-12AB COMP K9904880-048 106 100 92 <br /> SP-13AB COMP K9904880-049 109 100 93 <br /> SP-14AB COMP K9904880-050 108 100 92 <br /> SP-15AB COMP K9904880-051 106 99 92 <br /> SP-16AB COMP K9904880-052 101 97 96 <br /> SP-17AB COMP K9904880-053 100 98 96 <br /> SP-18AB COMP K9904880-054 98 97 95 <br /> SP-IAB COMP K9904880-037MS 99 98 100 <br /> Lab Control Sample K990729-LCS 99 97 104 <br /> Method Blank K990727-MB 100 97 97 <br /> Method Blank K990728-MB 107 98 94 <br /> CAS Acceptance Limits: 86-113 91-108 83-112 <br /> Approved By: Date: <br /> SUR3/052595 <br /> Page 39 <br />