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Sequoia U680 Chesapeake Drive Redwood City,CA 94063 (415) 364.96M FAX(415) 364-9293 <br /> 1900 We$Avenue,Suite L -Concord,CA.94520 (510) 686.9600 FAX(5 10)606-9689 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)92 1-0 1 0o <br /> .......... <br /> .......... <br /> Alton GeWo11"s.c...once ent ro er <br /> 'Mo'bil04-343%30-0136-15 <br /> Sampled. JU 15, 1994 <br /> -A Lindbergh Ave, Sample Matrix: Water Received: Jul 19, 1994"..:. <br /> Livermore, CA 94550 Analysis Method: EPA 5030/8015/8020 Reported: Jul 27, 1994<.. <br /> ...'Attention: Kevin Keenan <br /> First Sample #: 407-0916 <br /> .................. <br /> TOTAL!PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte. Limit I.D. I.D. J.D. I.D. I.D. I.D. <br /> Mg/L 407-0916 407-0917 407-0918 407-0919 407-0920 407-0921 <br /> AW-6 AW-3 AW-7 AW-10 AW-4 AW-2 <br /> Purgeable <br /> Hydrocarbo ns 50 N.D. N.D. NiD. N.D. N.D. N.D. <br /> Benzene 0.50 N.D. N.D. N.D. N.D. 1,5 1.2 <br /> Toluene 0.50 N.D. N.D.I N.D. N.D. 0.97 1.2 <br /> Ethyl Benzene 0.50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Total Xylenes 0.50 0.90 N.D: N.D. N.D. 1.3 1.6 <br /> Chromatogram Pattern: <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 10' 1'0 1.0 1.0 1.0 <br /> Date Analyzed: 7/25/94 7/25/94 7/25/94 7/25/94 7/25/94 7/25/94 <br /> Instrument ldentffic: ation: HP-4 HP-4 HP-4 HP-4 HP-4 HP-4 <br /> Surrogate Recovery, %: 86 86 89 91 89 86 <br /> (OC Limits = 70-130%) <br /> Purgeabfe 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 <br /> renL Enstrom <br /> Project Manager <br /> 4070910.ALT <2> <br />