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Sequoia <br /> 680 Ch,,apeake Drive Redwood City,CA•94063 (415) 364-9600 FAX(415) 364-9233 <br /> Analytical 1900 Bates Avenue,Suite L Concord,CA 94520 (510) 1686-9600 FAX(510).686-9689 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) _;921-9600 FAX(916)921-0100 <br /> i. _.... ;.: .;:.;:.::::;:.; ..,...., - <br /> �VIPDS Services Client Protect ID: Unocal#0786,8203 East 11th St,Tracy Sampled: May 12, 1994 <br /> 2401 Stanwell Dr., Ste. 400 : Sample;Matrix: Water Received: May 12, 1994 <br /> I Concord, CA 94520 Analysis;Method: .EPA 5030/8015/8020 Reported: May 27, 1994 .' <br /> Attention: Avo Avedessian First Sample#: 405-0634 ,. <br /> I _::........ -...... <br /> • it <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX'DISTINCTION <br /> F Reporting Sample s Sample Sample Samplell Sample <br /> Analyte. Limit LD. I.D. I.D. I.D. I ,. I.D. <br /> w Mg/L 405-06$4 405-0635 405-0636 405-0637 . Matrix <br /> U7.. U8 U9 U1.0 Blank <br /> Purgeable <br /> Hydrocarbons 50 N.D. . N.D. N.D. N.D. <br /> Benzene 0.5 N.D. N.D: N.D. N.D.. .. <br /> Toluene 0.5 ND. N.D. : . ' N.D. N,D... <br /> Ethyl Benzene 0.5 N:D. N.D. . N.D N.D. ` <br /> UTotal Xylenes .' 0.5 N.D. N:D. ' N.D. N.D. <br /> Chromatogram Pattern:- <br /> Quality Control Data :.. <br /> Report Limit Multiplication Factor.:. 1.0 .1.0 1.0 "1.0 1:.0 <br /> k n <br /> Date Analyzed: 5/2,6/94 ..5/26/9.4 5/26/94'T 5/26/944 5/26/94 <br /> Instrument Identification: ML#2 ML#2 ML#2.:: <• ML#2 ML#2- <br /> Surrogate Recovery, % 11.0 96 .110 1.07 'W 111 ` <br /> I (QC Limits = 70-130%) <br /> Purgeable`Hydrocarbons are quantitated against a fresh'.gasoline standard: <br /> Analytes reported as N.D.were not detected above-the stated reporting limit. ; <br /> SEQUOIA ANALYTICAL, #1271erft <br /> t ' <br />' Project Mabe er <br /> 4050628.MPD <2> <br />