Laserfiche WebLink
COLUMBIA ANALYTICAL SERVICES, INC. Y <br /> Client: EMCON Associates Date Received 10/08/92 <br /> Project. EMCON Project No 0671-029 01 Work Order # SJ92-1247 <br /> Arco Facility No 2130 Sample Matnx, Water <br /> QA/QC Report <br /> Surrogate Recovery Summary <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/80201DHS LUFT Method <br /> Sample Name Date Analyzed Percent Recovery <br /> a,a,a-Tnfl uorotoluene <br /> MW-1 (74) 10/12/92 112 <br /> MW-2 (72) 10/12/92 126 <br /> MW-3 (73) 10/12/92 92 ' <br /> • MW-4 (74) 10/13/92 108 • <br /> MW-5 (76) 10/13/92 122 <br /> MW-3 (73) MS 10/12/92 110 • <br /> MW-3 (73) DMS 10/12/92 106. ' <br /> Method Blank 10/12/92 108 <br /> Method Blank 10/13/92 91 <br /> CAS Acceptance Criteria 70-130 <br /> TPH Total Petroleum Hydrocarbons <br /> • The surrogate used on this sample was 4-8rom ofluorobenzene <br /> Approved by G Date r 20 <br /> 7 <br />