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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Straker 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)79Z-0342 <br /> f� <br /> ATC Associates, Inc Client Prol ID Farmer Property, #62596 0001 Sampled 06/26/98 <br /> 1260 Graphics Drive Sample Descript MW-3 Received 06/26/98 <br /> Modesto, CA95351-1502 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 07/07/98 <br /> Attention Drew Van Allen Lab Number 9806116-03 Reported 07J10198 <br /> QC Batch Number GC070798BTEX02A - <br /> Instrument ID GCHP02 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas .. .. 50000 130000 <br /> Benzene 500 5100 <br /> Toluene .. 500 35000 <br /> Ethyl Benzene 500 4800 <br /> Xylenes (Total) 500 24000 <br /> Chromatogram Pattern Gas <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 99 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 301210 <br /> Project anager Page 5 <br />