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G H R{OMALAB, INC. <br /> 5 C}AY5 7URNAF?QUNa <br /> Analytical Laboratory(E694) <br /> August 9, iggi ChromaLab File No. : 0791204 <br /> MZTTELHAUSER CORPORATION <br /> ttn: Marjorie Bushnell <br /> $E_ One soil sample for TTLC CAM 17 Metals analysis <br /> Project Name: UNOCAL - TRACY <br /> Project Number: P1745-01 <br /> Date Sampled: July 24, 1991 Date Submitted: July 26, 1991 <br /> Date Analyzed: August 8, 1991 <br /> E S• Sample I.D. : 1745 B6-2 . 0' <br /> Detection Regulatory <br /> Concentration Limit Spiked Levels <br /> Metals m k m k Recovery m k <br /> *Ag N.D. 0.004 102 .3% 500 <br /> As N.D. 0.088 104.8% 500 <br /> Ba 14 .3 0.005 89.5% 10000 <br /> Be N.D. 0.001 88.8% 75 <br /> Cd 0. 210 0.012 85.3% 100 <br /> Co 0.976 0 .020 86.2% 8000 <br /> Cr 2.71 0.006 89.7% 2500 <br /> Cu 2 .77 0. 004 100. 11 2500 <br /> Fig N.D. 0.200 94. 6% 20 <br /> Mo N.D. 0.040 89.4% 3500 <br /> Ni 2 . 08 0 .026 86.2% 2000 <br /> Pb 4 . 92 0. 044 84.4% 1000 <br /> *Sb N.D. 0. 040 90.3% 500 <br /> Se N.D. 0.200 84 .9% 100 <br /> T1 N.D. 0.088 82.0-1 700 <br /> V N.D. 0. 004 94 .4% 2400 <br /> Zn 5 .81 0.006 92 .4% 5000 <br /> Method of Analysis: 3050/6010 <br /> *Method of Analysis: 3005/6010 <br /> ChromaLab, Inc. <br /> Duong Eric Tam <br /> Chief Chemist Laboratory Director <br /> 2239 Ortega Road, 01 - San Raman, California 94583 <br /> 5101831-1788 - Facsimile 5101831-8798 <br /> Federal 10 #68-0140i S7 <br />