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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 Iii Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> �rr11>7 Analytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (9t6) 921 9600 FAX(916) 931 0100 <br /> 4chstone Development Client Project ID Chevron - <br /> #9 2033 Sampled Sep 11, 1996 <br /> P O Box 2554 <br /> Sample Matrix Soil Received Sep 12, 1996 <br /> Santa Rosa, CA 95405 Analysis Method EPA 5030/8015 Mod /8020 Reported Sep 24, 1996 <br /> Attention .teff Monroe First Sample # 609-0634 <br /> QC Batch Number SP091996 SP091996 SP091996 SP091996 SP091996 SP092096 <br /> TOTAL PURGEABLE PETROLEUM HYEXA DROCARBONS CAREXA BONS withaBT X DIEXA STINCTION EXA 8020ExA <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D I D I D I D I D I D <br /> mg/kg 609-0634 609-0635 609-0636 609-0637 609-0638 609-0639 <br /> TX61-18' TXB2-17' TXB3-17' TXS1-14' TXS2-15' TXS3-14' <br /> Purgeable <br /> Hydrocarbons 10 1 2 N D N D 6 5 N D 880 <br /> Benzene 00050 038 00089 0 070 N D N D 066 <br /> Toluene 00050 N D 00069 N D N D N D N D <br /> Ethyl Benzene 00050 00053 N D N D N D N D 1 2 _ <br /> • <br /> Total Xylenes 00050 N D 0 014 N D 00053 00093 3 5 <br /> Chromatogram Pattern Discrete - Discrete Gasoline <br /> Peaks Peaks& <br /> Unidentified <br /> Hydrocarbons <br /> QualityControl Data <br /> >C8 <br /> Report Limit Multiplication Factor 1 0 1 0 1 0 1 0 1 0 100 <br /> Date Analyzed 9/19/96 9/19/96 9/19/96 9/19/96 9/19/96 9/20/96 <br /> Instrument Identification HP-2 HP-2 HP-2 HP-2 HP-2 HP-2 <br /> Surrogate Recovery, % 96 98 97 99 100 86 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> S UOIA ANALYTICAL, #1271 <br /> Melissa A Brewer <br /> Client Services Representative <br /> 6090634 TOLL <1> <br /> t� <br />