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I'IRR-27-1998 15:32 F.oe/27 <br /> Sequoia Whesapeake Drive Rcdwood City,CA 94063 0 364.9600 FAX(650)364.9233 <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988.9600 FAX(510)988.9673 <br /> IQ <br /> I�' Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921 0100 <br /> ,m. .:. 'o�tlll <br /> Inll. _ -155§9,'b" <br /> . -- <br /> ATC Client Prot ID. 15598, D'Arcy Road Lathrop Sampled: 03/25/98 <br /> 1260 Graphics Drive Sample Descripr DR-TP-4-8-11.5' Received: 03/26/98 <br /> Modesto, CA 95351-1502 Matrix: SOLID Extracted: 03/26/98 <br /> 9826 03zed: <br /> I.. Analysis Method: 8015Mod/8020 Analyzed; 03/26/98 <br /> i JeanneHomse Lab Number: 9803H14-04 -__......_ . . . Reported, 03/27f98 <br /> Attent ore <br /> .1W. 'II" IIIIIII I . .:...... <br /> ..VIII +�. .:_._........... <br /> QC Batch Number GC032698BTEXEXC <br /> Instrument ID: GCHP1 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 1.0 N.D. <br /> Methyl t-Butyl Ether 0.025 N.D. <br /> Benzene 0.0050 N.D. <br /> Toluene 0.0050 N.D. <br /> Ethyl Benzene 0.0050 N.D. <br /> Xylenes(Total) 0-0050 N-D. <br /> Chromatogram Pattern: <br /> Surrogates Control Limits% % Recovery <br /> Trifluorototuene 70 130 95 <br /> 4-Bromofluorobenzene 60 140 94 <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL - ELAP 41210 <br /> Project anager Page: 7 <br /> .474 <br />