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- COLUMBIA ANALYTICAL SERVICES, INC <br /> Client EMCON Associates Date Received. 08/26/92 , <br /> Project EMCON Project No G71-38 01 Work Order # SJ92-1071 <br /> Arco Facility No 2168 Sample Matrix- Water <br /> QAIQC Report <br /> Surrogate Recovery Summary <br /> Halogenated Volatile Organic Compounds <br /> EPA Methods 5030/601 <br /> I <br /> Sample Name Date Analyzed Percent Recovery <br /> 4-Bromofluorobenzene <br /> MW-1 (54) 09/02/92 105 <br /> MW-2 (53) 09/02/92 101 <br /> MW-3 (54) 09/02/92 102 <br /> . MW-1 (54) MS 09/02/92 123 <br /> MW-1 (54) DMS 09/02/92 123 <br /> Method Blank 09/02/92 87 <br /> 1 <br /> CAS Acceptance Criteria 70-130 <br /> 1 <br /> 1 <br /> Approved by_. _ M�7-P IC�CR -- Date q(— q_q Z <br /> 12 <br />