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J , 1 Sequoia 680 Chesapeake Dnvc R dwood City CA 94063 (415) 364 9600 PAX(415) 364 9233 <br /> 404 N W,get Lane Walnut Creek CA 94598 (5i0) 988 9600 FAX(5 10)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> 1 <br />' <br /> EA Engineering - - - - <br /> g eering Science & Tech Client Prod ID E�ocan 7-3942 / 8373942 1307 Sampled 02/13/96 <br /> 3468 Mt Diablo Blvd Ste B100 Sample Descrlpt IW1 Received 02/14/96 <br /> Lafayette, CA 94549 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 02/16/96 <br /> Attention Tracy Faulkner Lab Number 9602A05-05 __ Reported 02123/96_ <br /> QC Batch Number GCO21696BTEX20A <br /> Instrument ID GCHP20 - <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br />' Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas Soo .. 5400 <br /> Benzene 5,0 58 <br /> Toluene 50 N D <br /> Ethyl Benzene so 370 <br />' Xylenes (Total) 5 0 390 <br /> Chromatogram Pattern Gas <br /> Surrogates Control Limits % % Recove <br /> Trifluorotoluene 70 130 113 <br /> I <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Rin Follett <br /> lett Manager Page 5 <br />