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fi r <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> a) <br /> 404 N Wiget lane Walnut Creek CA 94598 (925)988-9600 FAX(9Z5)988-9673 <br /> frill' Analytical 819 Striker Avenue Surte 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-otoo <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 707)792-1865 FAX(707)792-0342 <br /> • <br /> ATC Associates, Inc Client Prol ID Stock Fire Stat#2 62574 0001 Sampled 12/22/98 <br /> 1117 Lone Palm Avenue Sample Descnpt MW-3 Received 12/23/98 <br /> Modesto, CA 95351-1502 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 12/31/98 <br /> Attention ,Jeanne Homsey Lab Number 9812F36-03 Reported 01108199 <br /> QC Batch Number GC123198BTEX30A <br /> Instrument ID GCHP30 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Methyl t-Butyl Ether 2 5 N D <br /> Benzene 050 097/ <br /> Toluene 050 090 -.1- <br /> Ethyl <br /> 90 .iEthyl Benzene 050 054-- <br /> Xylenes <br /> 54-- <br /> Xylenes (Total) 050 10 ---- <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 100 <br /> Analytes reported as N D were not present above the stated lima of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> \ <br /> Project Manager Page s <br />