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------------------ <br /> COLUMBIA ANALYTICAL SERVICES, INC. <br /> QA/QC Report _ <br /> Client: EMCON Associates Service Request: 5941492 <br /> Project: TOSCO # 11195/0952-093.02 Date Collected: 11/18/94 <br /> Sample Matrix: Soil Date Received: 11/21/94 <br /> Date Extracted: NA <br /> Date Analyzed: 11/28/94 <br /> Surrogate Recovery Summary <br /> Halogenated Volatile Organic Compounds <br /> EPA Methods 5030/8010 <br /> Percent Recovery <br /> Sample Name Lab Code 4-Bromo#luorobenzene <br /> 11195-HP2-S-10 S941492-002 123 <br /> 11195-HP I-S-10 S941492-004 118 <br /> Method Blank 5941128-SB 115 • �'` <br /> CAS Acceptance Limits: 79-141- <br /> _ <br /> Approved By: Date: <br /> SUR 1!662991 <br />