Laserfiche WebLink
COLUMBIA ANALYTICAL SERVICES,INC. <br /> QA/QC Report <br /> Client. EMCON Associates Service Request: 5950254 <br /> Project. ARCO Facilitv No 20931 EMCON Project No 1775-706 01 Date Collected. 2/28/95 <br /> Ssmple Matrix: Nater Date Received: 313195 <br /> Date Extracted: NA <br /> Date Analyzed 3/9/95 <br /> Matrix Spike/Duplicate Matnx Spike Summary <br /> BTE <br /> EPA Methods 5030/8020 <br /> Units ug/L(ppb) <br /> S.unplc Name ATR-6 <br /> Lab Codc S950254-005 <br /> Percent Recoiery <br /> CAS Relative <br /> Spike Level Sample Spike Result Acceptance Percent <br /> Analvte MS DMS Result MS DMS MS DMS Linuts Difference <br /> Benienc 25 25 ND 246 246 98 98 75-I35 <1 <br /> Toluene 25 25 ND 23 6 236 94 94 73-136 <1 <br /> Ethylbenzcnc 25 25 ND 240 240 96 96 69-142 <1 <br /> Approved B- f Date3Z-hy <br /> MIS I5IM 19a <br /> Page 7 <br /> q Q21 Rlnowood Aw-nup • Cnn JoSA rnionRr"r1 G54�11 • T-1l ,n — "AIA'17 ')Ann • r— ArIArAn7 0JZ:A <br />