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WED 8 24 4 1 5 - 83 1 8798 <br /> CH ROM ALA B o INCE 5 DAY57URNAROUND <br />�d Analytical Laboratory(E694) <br /> May 1, 1991 ChromaLab ' File No. : 0491202 <br /> ALTON GEOSCIENCE, INC. <br /> Attl'n- Tridib Guha <br /> &ILL Two water samples for Gasoline/BTEX and Diesel analyses <br /> Project Name: TRACY BULK PLANT, 500E <br /> Project Number: 30-0136-01 <br /> Date Sampled: April 30, 1991 Date Submitted: April 30, 1991 <br /> Date Extracted: April 30, 1991. Date Analyzed: April 30, 1991 <br /> Ethyl Total <br /> Sample Gasoline Diesel Benzene Toulene. Benzene Xylenes <br /> No. L L <br /> B-3 (µw-7) 78 ---- N.D. 5.2 N.D. 1.1 <br /> B-2 Caw"CN.D. 240 N.D. N.D. N.D. N.D. <br /> BOK N.D. N.D. N.D. N.D.. N.D. N.D. <br /> SPIKE <br /> RECOVERY 112.7$ 89.2$ 91.4$ 85.4$ 86.9$ 85.7$ <br /> DUP SPIKE <br /> RECOVERY 108.6% 91.8$ 85.5$ 107.1$ 96.5$ 100.3$ <br /> DETECTION <br /> LIMIT50 50 0.5. 0.5 0.5 0. 5 <br /> METHOD OF 5030/ 3510/ <br /> ANALYSIS 8015 8015 602 602 602 602 <br /> ChromaLab, Inc. ' <br /> 4 Duonq Eric Tam <br /> r Chief Chemist Laboratory Director <br /> k <br /> 2239 Omega Road,#1 • San Ramon,California 94563 <br /> 415!831.1788 • Facsimile 415!831.8788 <br /> Federal ID({68-0140157 <br />