Laserfiche WebLink
COLUMBIA ANALYTICAL SERVICES, INC •� <br /> Client EMCON Associates Date Received 04/23/92 <br /> Project EMCON Project No G71-18 01 Work Order# SJ92-0489 <br /> Arco Facility No 2093 Sample Matrix- Water <br /> QA/QC Report <br /> Surrogate Recovery Summary <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/DHS LUFT Method <br /> SarnDI2 Name Date Analyzed Percent Recovery <br /> a,a,a-Tnfluorotoluene <br /> ATR-1 1271 04/27/92 89 <br /> ATR-2 129) 04/27/92 90 <br /> ATR-4 1291 04/27/92 80 <br /> ATR-5 126) 04/27/92 88 <br /> ATR-6 126) 04/27/92 89 <br /> ATR-8 (24) 04/27/92 96 <br /> ATR-9 (24) 04/27/92 91 <br /> ATR-10 (24) 04/27/92 85 <br /> ATR-11 (23) 04/27/92 81 <br /> ATR-12 (24) 04/27/92 84 <br /> ATR-4 (29) MS 04/27/92 96 <br /> ATR-4 (29) MSD 04/27/92 94 <br /> Method Blank 04/27/92 97 <br /> CAS Acceptance Criteria 70-130 <br /> TPH Total Petroleum Hydrocarbons <br /> . Approved by ,! ti Date 1011/ 1, <br /> 7 <br /> 40'74 0 — v--,4 A, —n • S-- 11c0 95134 • TalaOtinra d081d37 2400 • Fox 4081437 9356 <br />