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Sequoia 680 Chesapeake Dnvc 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 /> Analytical 819 Stnker Avenue,Suite 8 Sacramento, CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Enviros - Client Proj-ID Shell-2575 Country Club, STK Sampled 01/28/97 <br /> 270 Perkins Ave Sample Descrlpt RW-61-41 5 Received 01/29/97 <br /> Sonoma, CA 95476 Matrix SOLID Extracted 01/31/97 <br /> Analysis Method 8015Mod/8020 Analyzed 02/03/97 <br /> Attention Joe Neely Lab Number 9701G29-06 _ _ Reported 02104f97 <br />)C Batch Number GC013197BTEXEXA <br /> nstrument ID GCHP22 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas - - - 10 - - 12 <br /> Methyl t-Butyl Ether - - 0 025 - 35 <br /> Benzene 00050 0 088 <br /> Toluene 00050 012 <br /> Ethyl Benzene 00050 0 024 <br /> Xylenes (Total) .. 00050 013 <br /> Chromatogram Pattern C6-C12 <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 98 <br /> Analytes reported as N t) were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> Gregory <br /> Page s <br /> Project Manager <br />