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ChiROMALAB, INC. 5DAYSTURNARCUND <br /> Analytical Laboratory(E694) <br /> August 9, 1991 ChromaLab File No. : 0791204 <br /> MITTELHAUSER CORPORATION <br /> ' Attn: Marjorie Bushnell <br /> RE: Two soil samples for Total Lead analysis <br /> Project Name: UNOCAL - TRACY <br /> Project Number: P1745-01 <br /> Date Sampled: July 24-25,1991 Date Submitted: July 26, 1991 <br /> Date Extracted: August 7, 1991 Date Analyzed: August 7, 1991 <br /> RESULTS: <br /> SaMRIe I.D. Lead <br /> ' 1745 B9-9.5' 8.46 <br /> 1745 B10-9.5' 8.72 <br /> BLANK N.D. <br /> ' SPIKED RECOVERY 106.9% <br /> DETECTION LIMIT 0.05 <br /> METHOD OF ANALYSIS 7420 <br /> ChromaLab, Inc. <br /> Duong Eric Tam <br /> Chief Chemist Laboratory Director <br /> 1 <br /> 1 <br /> 2239 Omega Road, #1 San Ramon, California 94583 <br /> 510/831-1788 Facsimile 5101831-8798 <br />' Federal ID 868-0140157 <br />