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Sequoia 680 Chesapeake Drive Redwood 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 /> frlll� Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> Envlros Client Prol ID Sheik 2575 Country Club, STK Sampled 01/28/97 <br />- 270 Perkins Ave Sample Descrlpt SS-28 Received 01/29/97 <br /> Sonoma, CA 95476 Matrix SOLID Extracted 02/03/97 <br />_ Analysis Method 8015Mod/8020 Analyzed 02/03/97 <br />`Attention Joe Neely Lab Number 9701G31-02 Reported 02j05197 ; <br /> OC Batch Number-GCO20397BTEXEXA µ <br /> Instrument ID GCHP18 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas .. 10 52 <br /> Benzene . .. 00050 .. .. 0 012 <br /> Toluene -- - 00050 .... 0 015 <br /> Ethyl Benzene .. 00050 .. 0 011 <br /> Xylenes (Total) 00050 .. 023 <br /> Chromatogram Pattern Cs-C12 <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 97 <br />• <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br />- Z'/�/ <br /> WGre a <br /> ct Manager Page 3 <br />