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r <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364-9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue Suite L Concord,CA 94520 (510) 686 9600 FAX (510)686 9689 <br /> Analytical 819 Straker Avenue Sumte 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> 21 RESNA Client Prol ID� 38009 10, Stockton F S 2 Sampled 09/28/94 <br /> 93 1710 Main Street Sample Descnpt SFS#2 MW2 Recenred 09/30/94 <br /> Escalon, CA 95320 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 10/05/94 W <br /> 1 Attention John Lane Lab Number 9409154-02 _ Rep( ed 10/15/94 <br /> Instrument 1D GCHP17 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L tt9/L <br /> TPPH as Gas 50 N D <br /> Benzene .................... 0.50 ............ ..... . 4.9 <br /> 1.0 <br /> Toluene .............. . ... 0.54 .................. . 1 2 <br /> Ethyl Benzene .... ............... 0.50 ..... ............ . <br /> Xylenes (Total) .... .............. 0.50 .................... 0.72 <br /> Chromatogram Pattern: .... .... ... .. --- .. ...... .. Gas <br /> Surrogates Control Limits% % Recovery <br /> Trlfluorotoluene 70 130 87 <br /> Analytes reported as N D were not present above the stated hind of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> D( itt, -- <br /> Tague <br /> Clark <br /> Project Manager Page a <br />