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■ , Sequoia 680 Chesapeake Drive Rcdwood City,CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX (510)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921-0100 <br /> i - <br /> Pacific Environmental Group --Client Proj_ ID� -310-0405A/2859,Stockton �-- Sampled-05/02/96 <br /> 2025 Gateway Place, Suite 440 Sample Descript INFL Received 05/03/96 - <br /> San Jose, CA 95110 Matrix AIR <br /> Analysis Method 8015Mod/8020 Analyzed 05/03/96 - <br /> =Attention Andrew Lehane _ Lab Number 9605154-01 _- _ _ _ _Reported 05110196 <br /> QC Batch Number GC050396STEX03B <br /> Instrument ID GCHP03 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 500 1400 <br /> Benzene 5 0 N D <br /> Toluene 5 0 39 <br /> Ethyl Benzene 5 0 24 <br /> Xylenes (Total) 5 0 130 <br /> Chromatogram Pattern Gas <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 96 <br /> M 131996 i 1 <br /> Lt�'/ <br /> PACirIC�1@VIRCilW "'"A-C�:l INC, <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Vaudia Hirotsu <br /> Project Manager Page 1 <br />