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i <br /> COLUMBIA ANALYTICAL SERVICES, INC <br /> QA/QC Report <br /> lcent EMCON Associates Service Request S941494 <br /> rolect TOSCO # 11194 /0152-092 02 Date ColluLted 11/17/94 <br /> Sample Matrix. Water Date Received 11/21/94 <br /> Date Extracted. NA <br /> Date Analyzed. 11/22/94 <br /> Surrogate Recovery Summary <br /> Halogenated Volatile Organic Compounds <br /> EPA Methods 5030/8010 <br /> Percent Recovery <br /> Sample Name Lab Code 4-Bromofluorobenzene <br /> 11194-HP l-W S941494-001 89 <br /> 11194-HP2-W 5941494-002 109 <br /> 11194-HP3-W 5941494-003 82 <br /> Method Blank S941122-WB 99 <br /> CAS Acceptance Limits 76-138 <br /> Approved By Date <br /> SURM2994 <br /> Page 9 of 9 <br /> 074 f-,lf — nc4�. - T,1...... Ana?An r Il Alin - V- AnAlA'17 OoIrA <br />