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Sequoia <br />680 Cheake Drive <br />Redwood City. CA 94063 •650) 364-9600 FAX (650) 364-9233 <br />J ®la <br />10-4-819 <br />404 N. Wiget Lane <br />Walnut Creek, CA 94598 (925) 988-9600 FAX <br />(925) 988-9673 <br />Analytical <br />Striker Avenue, Suite 8 Sacramento, CA 95834 (916) 921-9600 FAX (916) 921-0100 <br />1455 McDowell Blvd. North, Ste. D Petaluma, CA 94954 (707) 792-1865 FAX (707) 792-0342 <br />Gettler-Ryan-'bubliri <br />Client Project ID: <br />Chevron #9-3232, Stockton .. .... .....Sampled: ... <br />Mar 11, 1999: <br />6747 Sierra Court, Suite J <br />Sample Matrix: <br />Soil Received: <br />Mar 11, 1999: <br />Dublin, CA 94568 <br />Analysis Method: <br />EPA 5030/8015 Mod./8020 Reported: <br />Mar 16, 1999: <br />Attention: Greg Gurss <br />First Sample #: <br />903-1122 <br />76 <br />TOTAL PURGEABLE PETROLEUM HYDROCARBONS With BTEX MTBE <br />80 <br />Reporting <br />Sample <br />Sample Sample Sample Sample <br />Sample <br />Analyte Limit <br />I.D. <br />I.D. I.D. I.D. I.D. <br />I.D. <br />mg/Kg <br />903-1122 <br />903-1123 903-1124 903-1125 903-1126 <br />903-1127 <br />SP -7 <br />SP -8 SP -9 SP -10 SP -11 <br />SP -12 <br />Purgeable <br />Hydrocarbons 1.0 <br />N.D. <br />N.D. N.D. 3.5 N.D. <br />N.D. <br />Benzene 0.0050 <br />N.D. <br />N.D. N.D. N.D. N.D. <br />N.D. <br />Toluene 0.0050 <br />N.D. <br />N.D. N.D. N.D. N.D. <br />N.D. <br />Ethyl Benzene 0.0050 <br />N.D. <br />N.D. N.D. N.D. N.D. <br />N.D. <br />Total Xylenes 0.0050 <br />N.D. <br />N.D. N.D. 0.039 N.D. <br />N.D. <br />MTBE 0.050 <br />N.D. <br />N.D. N.D. N.D. N.D. <br />N.D. <br />Chromatogram Pattern: <br />- <br />- - Gasoline & - - <br />- - <br />Unidentified <br />Hydrocarbons <br />C6 -C12 <br />uuanty uomrol uata <br />Report Limit Multiplication Factor: <br />1.0 <br />1.0 <br />1.0 <br />1.0 <br />1.0 <br />1.0 <br />Date Analyzed: <br />3/12/99 <br />3/12/99 <br />3/12/99 <br />3/15/99 <br />3/12/99 <br />3/12/99 <br />Instrument Identification: <br />HP -4 <br />HP -4 <br />HP -4 <br />HP -4 <br />HP -5 <br />HP -5 <br />Surrogate Recovery, %: <br />79 <br />78 <br />76 <br />73 <br />80 <br />75 <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 />J(danne Fegley <br />Project Manager <br />9031116.GET <2> <br />