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1 . <br /> COLUMBIA ANALYTICAL SERVICES,INC. <br /> QA/QC Report <br /> Client: EMCON Associates Service Request: S941586 <br /> Project: TOSCO# 11190/0952-088.02 Date Collected: 12/6/94 <br /> Sample Matrix: Soil Date Received: 12/7/94 <br /> Date Extracted: 12/9/94 <br /> Date Analyzed: 12/14,15/94 <br /> Surrogate Recovery Summary <br /> Hydrocarbon Scan <br /> California DHS LUFT Method <br /> i <br /> Percent Recovery <br /> Sample Name Lab Code p-Terphenyl <br /> 11190-TSB 1 S-10 S941586-001 140 <br /> 11190-TSBIS-20 S941586-002 '109' <br /> 11190-TSB2S-10 S941586-003 121 <br /> 11190-TSB2S-20 5941586-004 135 <br /> 11190-TSB3S-10 S941586-005 125. . <br /> 11190-TSB3S-20 S941586-006 125 ` <br /> 11190-TSB4S-30 S941586-007 <br /> 11190-TSB4S-65 S941586-008 64 <br /> Method Blank 5941209-SB 134 <br /> i <br /> CAS Acceptance Limits: 41-140 <br /> Approved By: _ �Q C Date: 1')-1C1-q(1 <br /> SURIM2"4 <br /> Page 6 of 8 <br />