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esa <br /> Sequoia 404 Nh Wiget kLanDeCreek,ve Walnut City, <br /> CA 94598 (925)988-9600 FAX(925) 988-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento.CA 95834 (916)921-9600 FAX(916) 921-0100 <br /> Analytical1455 McDowell blvd. North,Ste, D Petaluma,CA 94954 (707) 792-1865 FAX(707) 792-0342 <br /> 1551 Industrial Road San Carlos,CA 94070-4111 (650)232-9600 FAX(650) 232-9612 <br /> eg661a Analytical ... Client Project lig: L9o542D / Blaine Tech Service Sa May 18, 1999 <br /> W551 Industrial Blvd. Sample Matrix. Water Received. May 21 1999 : <br /> San Carlos, CA 94070 Analysis Method: EPA 5030/8015 Mod./8020 Reported: Jun 17, 1999:', <br /> Attention: Mike Gregory First Sample #: 905-2119 <br /> QC Batch Number: GCO60199 GCO60199 GCO60199 GCO60199 <br /> 802005A 802002A 802002A 802002A <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br /> Reporting Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. <br /> lug/L 905-2119 905-2120 905-2121 905-2122 <br /> MW7 MW8 MW9 TB <br /> Purgeable <br /> Hydrocarbons 50 2,300 400 71,000 N.D. <br /> I <br /> Benzene 0.50 83 6.2 13,000 N.D. <br /> Toluene 0.50 N.D. 4.0 27,000 N.D. <br /> Ethyl Benzene 0.50 160 2.3 2,300 N.D. <br /> I <br /> Total Xylenes 0.50 49 5.0 14,000 N.D. <br /> MTBE 2.5 60 22 N.D. N.D. <br /> Chromatogram Pattern: Gasoline Gasoline& Gasoline <br /> Unidentified <br /> Hydrocarbons <br /> Quality Control Data C6-C12 <br /> Reporting Limit <br /> Multiplication Factor: 20 1.0 200 1.0 <br /> Date Analyzed: 06/01/99 06/01/99 06/01/99 06/01/99 <br /> Instrument Identification: HP-5 HP-2 HP-2 HP-2 <br /> Surrogate Recovery, %: 83 104 138 96 <br /> (OC Limits = 70-130%) <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 A L, ELAP #1271 <br /> J <br /> Wharlie Westwater <br /> rojeGt Manager <br /> 9052113.SSS ¢2> <br />