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Sequoia680 <br />C .kk Drive <br />Redwood City, CA 9406309Z5) <br />Walnut Creek, CA 94598 <br />50) 364-9600 FAX (650) 364-9233 <br />988-9600 FAX (925) 988-9673 <br />1.0 <br />404 N. et Lane <br />Date Analyzed: <br />3/13/99 <br />3/12/99 <br />Analytical <br />819 Striker Avenue, Suite 8 Sacramento. CA 95834 <br />1455 McDowell Blvd. North, Ste. D Petaluma, CA 94954 <br />(916) 921-9600 FAX <br />(707) 792-1865 FAX <br />(916) 921-0100 <br />(707) 792-0342 <br />HP -5 <br />HP -4 <br />HP -4 <br />HP -4 <br />HP -4 HP -4 <br />Gettler-Ryan - Dublin <br />Client Project ID <br />Chevron #9-3232, Stockton <br />Sampled: <br />Mar 11, 1999.. <br />6747 Sierra Court, Suite J <br />Sample Matrix: <br />Soil <br />Received: <br />Mar 11, 1999:: <br />Dublin, CA 94568 <br />Analysis Method: <br />EPA 5030/8015 Mod./8020 <br />Reported: <br />Mar 16, 1999: <br />Attention: Greg Gurss <br />First Sample #: <br />903-1092 <br />TOTAL PURGEABLE <br />PETROLEUM HYDROCARBONS with BTEX / MTBE <br />Reporting <br />Sample <br />Sample Sample Sample <br />Sample <br />Sample <br />Analyte Limit <br />I.D. <br />I.D. I.D. <br />I.D. I.D. <br />I.D. <br />mg/Kg <br />903-1092 <br />903-1093 903-1094 903-1095 903-1096 <br />903-1097 <br />TK1-N <br />TK1-S TK2-N TK2-N(21) TK2-S <br />TK2-S(19) <br />Purgeable <br />Hydrocarbons 1.0 <br />N.D. <br />N.D. N.D. <br />N.D. 1.3 <br />680 <br />Benzene 0.0050 <br />N.D. <br />N.D. N.D. <br />N.D. N.D. <br />N.D. <br />Toluene 0.0050 <br />N.D. <br />N.D. N.D. <br />N.D. N.D. <br />N.D. <br />Ethyl Benzene 0.0050 <br />N.D. <br />N.D. N.D. <br />N.D. N.D. <br />10 <br />Total Xylenes 0.0050 <br />N.D. <br />N.D. N.D. <br />N.D. 0.0081 <br />65 <br />MTBE 0.050 <br />0.58 <br />1.2 0.17 <br />N.D. 0.69 <br />N.D. <br />Chromatogram Pattern: <br />- <br />Gasoline & <br />Gasoline & <br />Unidentified <br />Unidentified <br />Hydrocarbons <br />Hydrocarbons <br />C6-C12 <br />C6-C12 <br />Gtuainy C:omrol Uata <br />Report Limit Multiplication Factor: <br />1.0 <br />1.0 <br />1.0 <br />1.0 <br />1.0 100 <br />Date Analyzed: <br />3/13/99 <br />3/12/99 <br />3/12/99 <br />3/12/99 <br />3/12/99 3/15/99 <br />Instrument Identification: <br />HP -5 <br />HP -4 <br />HP -4 <br />HP -4 <br />HP -4 HP -4 <br />Surrogate Recovery, %: <br />91 <br />92 <br />95 <br />98 <br />93 <br />(QC Limits = 40-140%) <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 <br />ulianne Fegley <br />Project Manager <br />Please Note: <br />* Surrogate recovery below detection limit due to dilution. <br />c.c. Michael Kith, San Juaquin Public Health Services, Environmental Health Division <br />9031092.GET < 1 > <br />