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C Sequoia 680 Chesapeake Dnve Redwood Cty,CA 94063 (415) 364-9600 FAX(415) 364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988-9600 FAX(510)988%73 <br /> qwp Analytical 819 Sinker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> ouchstone Developments Client Project IC Chevron #9-8264 /Tracy Sampled Nov 13, 1995 <br /> P O Box 2554 Sample Matrix Soil Received Nov 13, 1995 <br /> Santa Rosa, CA Analysis Method EPA 5030/8015 Mod /8020 Reported Nov 15, 1995 <br /> Attention Jeff Monroe First Sample# 511-1031 <br /> QC Batch Number SP1 11495 SP1 11495 SP1 11495 SP1 11495 SP1 11495 SP1 11495 <br /> 8020EXA 8020EXA 8020EXA 8020EXA 8020EXA 8020EXA <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte L1mtt I D I D LD I D I D I D <br /> mg/kg 511-1031 511-1032 511-1033 511-1034 511-1035 511-1036 <br /> SP 5(A-D) SP 6(A-D) SP 7(A-D) SP 8(A-D) SP 9(A-D) SP 10(A-D) <br /> Purgeable <br /> Hydrocarbons 1 0 N D N D N D N D N D N D <br /> Benzene 00050 N D N D N D N D 00068 N D <br /> Toluene 00050 0 011 N D N D N D N D N D <br /> Ethyl Benzene 00050 00094 N D N D N D N D N D <br /> Total Xylenes 00050 0 096 N D N D N D N D 00068 <br /> Chromatogram Pattern <br /> Quality Control Data <br /> Report Limit Multiplication Factor 10 1 0 1 0 1 0 1 0 1 0 <br /> Date Analyzed 11/14/95 11/14/95 11/14/95 11/14/95 11/14/95 11/14/95 <br /> Instrument Identification HP 2 HP 4 HP 2 HP 2 HP 4 HP 4 <br /> Surrogate Recovery, % 105 93 100 107 98 96 <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 /> SEQUOIA ANALYTICAL, #1271 <br /> s <br /> Ke eth L Wlmer <br /> Prol t Manager <br /> 5111031 TTT ¢1> <br />