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' Sequoia 680 Chesapeake Drive Redwood City, CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> .� 1 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> �Ir Analytical 819 Stnker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Smith Environmental Client Prol ID 21255/94-273-94-10 Sampled, 02/11/97 <br /> 441 N Whlsman, Bldg 23 Sample Descript MW-5 Received 02/13/97 <br /> Mountain View, CA 94043 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 02/20/97 <br /> Attention Rich Garlow Lab Number 9702742-04 Reported 02f24197 <br /> QC Batch Number GCO22097BTEX07A <br /> Instrument ID GCHP07 <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 65 340 <br /> Benzene 050 ND <br /> ' Toluene 050 ND <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> Trifl uorotol uene 70 130 98 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL ELAP 01210 <br /> eila Flynn <br /> Project Manager Page 4 <br />