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Sequoia 680 Chesapeake Dnve Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9133 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988%73 <br /> Analytical 819 StnkerAvenue Suete 8 Sacramento CA 95834 (916) 921-9600 FAX(916)921 0100 <br />- Canon-ie E=nvironmental - Client Proj ID � 94-367, Stockton Fire#2 Sampled 03/23/95 <br /> 7901 Stoneridge Dr, Ste 100 Sample Descript SFS #2 MW-4 Received 03/27/95 <br /> - Pleasanton, CA 94578 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 03/29/95 <br />= Attention John Lane Lab Number 9503.!54-04 Reported 017/95 <br /> QC Batch Number GC032895BTEX07A <br /> Instrument ID GCHP07 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Benzene 0 50 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 97 <br /> I <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Adalk M—(duj�' I <br /> e Tague Clark <br /> Project Manager Page 8 <br />