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CHRQMAL.AB, INC. <br /> Analytical Laboratory(E694) 5 DAYS TURNAROUND <br /> • August 9, 1991 <br /> ChromaLab File No. : 0791204 <br /> MITTELHAUSER CORPORATION <br /> Attn: Marjorie Bushnell <br /> RE: 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; <br /> Date Analyzed: August 8, 1991 July 26, 1991 <br /> MATS: Sample I.D. : 1745 B6-2 . 01 <br /> Concentration Detection Regulatory <br /> etals —�_fm kimkt $ Spiked Levels <br /> Recorery I m eyk <br /> *Ag N.D. 0. 004 1Q2.3$ <br /> As N.D. 0.088 500 <br /> Ba 14.3 0. 5 104.8% 500 <br /> 00 <br /> Be N.D. 89. 5$ 10000 <br /> Cd0. 112 0.001 88 .8$ 75 <br /> o.al2 <br /> is CO 0. 976 0.020 86. 2$ 100 <br /> Cr 2. 71 0.026 8000 <br /> Cu 2.77 89. 7$ 2500 <br /> 0.004 100.1$ 2500 <br /> Hg N.D. 0.200 94 . 6$ <br /> Mo N.D. 0.042 20 <br /> Ni 2. 08 0. 026 89.4$ 3500 <br /> Pb*Sb 4. 92 0.044 84.4$ 2000 <br /> N.D. 0.040 1000 , <br /> Se N.D. 90. 3% 500 <br /> T1 0.200 84. 9% t <br /> V N.D. 0.088 82. 0$ 100 <br /> N.D. 700 <br /> Zn 5.81 0. 004 94. 4% 2400 <br /> 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 Omega Road, #1 - San Ramon, California 94583 <br /> 5101831-1788 - Facsimile 510/831-8798 <br /> Federal ID#68-0140157 <br />