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Ia 680 Chesapeake Drive Redwood City,CA 940 (415) 364.9600 FAX(413) 364.9233 <br /> SC'ClUO <br /> 1900 Bates Avenue,Suite L Concord,CA 94520 <br /> ► Analytical (516) 686.9600 FAX{516)686.9689 <br /> 819.StNker Avenue,Suite Sacramento,CA 95834 (916) 921.9600 FAX{9!6)921.0!00 <br /> Alton Geosclence Cent Pr*6t in. Mobil 04-343 3Q-0136-16 <br /> Sarnp6d: Jul 15, 1994' <br /> 30-A Lindbergh Ave. Sample Matrix: Water Received: Jul 19, 1994f!f <br /> i Livermore, CA 94550 Analysis Method: EPA 5030/8015/8020 Reported: Jul 27, 1994.'; <br /> Attention: Kevin`Keenan First Sample #: 407-0910 <br /> p <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample .Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. LD. <br /> Mg/L 407-0910 407-0911 407-0912 407-0913 407-0914 407-0915 <br /> AW-1 AW-12 AW-11 AW-5 AW-8 AW-9 <br /> Purgeable <br /> Hydrocarbons 50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Benzene 0.50 N.D. N.D. N.D. 0.82 N.D. N.D. <br /> ' a <br /> Toluene 0.50 N.D. N.D. 0.63 1.0 N.D. N.D. <br /> Ethyl Benzene 0.50 KD. N.D. N.D. N.D. N.D. N.D. <br /> Total Xylenes 0.50 N.D. 0.80 1.0 1.8 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 1.0 <br /> Date Analyzed: 7/25/94 7/26/94 7/26/94 7/25/94 7/25/94 7/25/94 <br /> Instrument Identification: HP-2 HP4 HP-4 HP-4 HP-4 HP-4 <br /> Surrogate Recovery, %: 95 94 97 89 88 90 <br /> (OC Limits = 70-130°/x) <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, #1271 - fl'�ill <br /> �fi.. <br /> AUG <br /> ren L. Enstrom <br /> Project Manager . <br /> 4070910.ALT <1> <br /> l <br />