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Sequoia 6110 Cheupakc Drive Redwood City,CA %o63 (415) 364.9600 FAX(415) 164.9233 t <br /> 404 K Wiset lane Walnut Creek,CA 94591 (510) 910.9600 FAX(S1o)911.9673 <br /> Analytical 119 Striker Avenue,Suite 0 S&Mmento,CA 95134 (916) 911.9600 FAX(9 16)911.otoo <br /> Alton Geoscience Client project Id: Mobil #04-343, Tracy Sampled:" " Oct 24, 1995 <br /> 30-A L€ndbergh Ave. Sample Matrix: Water Received: Oct 25, 1995 <br /> Livermore, CA 94550 Analysis Method: EPA 5030/8015 Mod./8020 Reported: Nov 3, 1995 <br /> Attention: A. LeMay First Sample #: 510-2080 <br /> OC Batch Number. GC103095 GC103095 GC103195 GC103095 GC103095 GC103095 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION eo�osA <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. I.D. <br /> pg/L 510-2080 510-2081 510-2082 510-2083 510-2084 510-2085 <br /> AW - 1 AW-2 AW-3 AW-4 AW-6 AW-7 <br /> Purgeable <br /> Hydrocarbons 50 N.D. N.D. 53 N.D. N.D. N.D. <br /> Benzene 0.50 N.D. N.D. 0.51 N.D.' N.D. N.D. <br /> Toluene 0.50 N.D. N.D. 0.64 N.D 0.54 0.78 <br /> Ethyl Benzene 0.50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Total Xylenes 0.50 N.D. N.D. 0.52 N.D. 1.1 0.95 <br /> Chromatogram Pattern: -• -- Gasoline <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 1.0 1.0 1.0 1.0 1.0 <br /> Date Analyzed: 10/30/95 10/30/95 10/31/95 10/30/95 10/30/95 10/30/95 <br /> Instrument Identification: HP-9 HP-9 HP-9 HP-9 HP-9 HP-9 <br /> Surrogate Recovery, %: 86 85 91 83 79 <br /> (0c Limits = 70-130%) 82 <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as N.D.were not detected above the stated reporting limit. r-^ ^•,'" `-' F� <br /> SEQUOIA ANALYTICAL,#1271 NOV <br /> c <br /> Kev€n Van Slambrook LJ ._. <br /> Project Manager -�--"'----------- -- <br /> S 102080.ALT <1 i <br />