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CH R O M A LA B, INC. 5 DAYS TURNAROUND Analytical Laboratory(E694) July 18, 1991 ChromaLab File No. : 0791073 MITTELRAUSER CORPORATIONto tn: Marjorie Bushnell ' REL Eighteen soil samples for Gasoline/BTEX, Diesel, and Oil & Grease analyses ' Project Name: UNOCAL - TRACY Project Number: P1745 Date Sampled: July 8-10, 1991 Date Submitted: July 11, 1991 Date Extracted: July 16-18 , 1991 Date Analyzed: July 16-18, 1991 RESULTS: Ethyl Total Oil & ' Sample Gasoline Diesel Benzene Toluene Benzene Xylenes Grease No. (mg/kg) (mg/ka) (Ma/kQ) (uo/kcfl (ug/kg) rug/kcx) (mgjka) 1745B1-3.0 N.D. ---- 13 N.D. 14 N.D. 37 ' 1745B1-8 .0 450 1200 4500 9800 55000 13 1745B2-5.0 N.D. N.D. N.D. N.D. N.D. N.D. 1745B2-9. 5 N.D. N.D. N.D. N.D. N.D. N.D. N.D. 1745B3--5.0 N.D. ---- N.D. N.D. N.D. N.D. ____ 1745B3-9 .5 N.D. N.D. N.D. N.D. N.D. N.D. 1745B4-5.0 N.D. ----- N.D. N.D. N.D. N.D. ---- 745B4-10.0 N.D. ---- N.D. N.D. N.D. N.D. ---- 745B5-6.0 N.D. N.D. N.D. N.D. N.D. N.D. N.D. 1745B5-10.0 N.D. N.D. N.D. N.D. N.D. N.D. N.D. 1745MW1--6.0 N.D. ---- N.D. N.D. N.D. N.D. ---- ' 1745MW1-10.5 N.D. ---- N.D. N.D. N.D. N.D. !_-- 1745MW2-6.0 N.D. N.D. N.D. N.D. N.D. 1745MW2-11.0 N.D. ---- N.D. N.D. N.D. N.D. ---- 1745MW3-6.0 N.D. -- N.D. N.D. N.D. N.D. N.D. 1745MW3-13 .0 N.D. N.D. N.D. N.D. N.D. N.D. N.D. 1745MW4-6.0 N.D. ---- N.D. N.D. N.D. N.D. ---- ' 1745MW4-11.0 N.D. ---- N.D. N.D. N.D. N.D. ---- BLANK N.D. N.D. N.D. N.D. N.D. N.D. N.D. SPIKE REC. 94.9% 93.3% 101.0% 100.6% 102 .3% 100.9% ---- DUP SPIKE REC. 97.8% 85.8% 81.8% 81.3% 82.2% 87.4% ---- DET. LIMIT 1.0 1.0 5.0 5.0 5.0 5.0 10 METHOD OF 5030/ 3550/ 5520 ' ANALYSIS 8015 8015 8020 8020 8020 8020 E&F ChromaLab, Inc. I uong Eric Tam `� ` ref Chemist Laboratory Director 2239 Omega Road,#11 • San Ramon,California 94583 415/B311788 + Facsimile 4151831.8798 Federal ID#►68-0140157