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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wlget lane Walnut Creek,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 /> Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> ATC Associates, Inc Client Proj ID Thiemann's Service 62605 0001 Sampled 07/08/98 <br /> 1260 Graphics Drive Sample Descript MW-1 Received 07/09/98 <br /> Modesto, CA 95351-1502 Matrix LIQUID Extracted 07/13/98 <br /> Analysis Method 8015Mod/8020 Analyzed 07/13/98 <br /> ,Attention Jeanne Homsey Lab Number 9807440-06 Reported 07f16198 <br /> QC Batch Number GC071398802oGC7 <br /> Instrument ID GC-7 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Benzene 050 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trlfluorotoluene 70 130 89 <br />• <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Project Manager Page 12 <br />