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r <br /> COLUMBIA ANALYTICAL SERVICES,INC. <br /> QA/QC Report <br /> • Client EMCON Assoicates Service Request: 5941002 <br /> Project, Federated Franks-Exxon/2520-100 01 Date Collected: 9/2/94 <br /> Sample Matrix: Water Date Received: 9/6/94 <br /> Date Extracted: NA <br /> Date Analyzed: 9/12/94 <br /> Surrogate Recovery Summary <br /> Halogenated Volatile Organic Compounds <br /> EPA Methods 5030/601 <br /> Percent Recovery <br /> Sample Name Lab Code 4-Bromofluorobetizene <br /> MW-1 S941002-001 109 <br /> MW-2 5941002-002 101 <br /> MW-3 5941002-003 104 <br /> MW-4 S941002-004 105 <br /> MW-5 5941002-005 105 <br /> DW-1 5941002-010 102 <br /> Method Blank 5940912-WB 107 <br /> CAS Acceptance Limits 76-138 <br /> Approved B ��� 1 j �'1' �L Date �Yl4ilii <br /> SURlIG62994 <br /> Page 10 of 11 <br /> 1921 Ringwood Avenue • Son Jose California 95131 • Telephone 408/437 2400 • Fox 408/437 9356 <br />