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Sequoia 680 Chesapeake Drive Redwood Cary 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 Striker Avenue Suite 8 Sacramento, CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> eraghty& Miller, Inc Client Project ID Chevron #9-4275 Sampled Nov 13, 1996 <br /> 050 Marina Way South Sample Matrix Soil Received Nov 18, 1996 <br /> Richmond, CA 94804 Analysis Method EPA 5030/8015 Mod /8020 Reported Dec 4, 1996 <br /> ttention Cynthia Hilton First Sample # 611-1107 <br /> C Batch Number SP1 12396 SP1 12396 SP1 12796 SP1 12396 SP120296 SPI 12596 <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 Limit I D I D I D I D I D I D <br /> mg/kg 611-1107 611-1108 611-1109 611-1110 611-1111 611-1112 <br /> GM-2@20' GM-2@25' GM-4@5' GM-4@10' GM-4@15 * GM-4@20' <br /> Purgeable <br /> Hydrocarbons 1 0 26 N D 92 N D 1 8 52 <br /> ' Benzene 00050 0 075 N D 0 022 N D 0 064 0 84 <br /> ' Toluene 00050 00060 N D 0 024 N D N D 029 <br /> Wyl Benzene 00050 0 028 N D 0 043 N D 017 1 2 <br /> Total Xylenes 00050 0 072 N D 0 075 N D 0 018 065 <br /> MTBE 0050 ND ND ND ND ND 041 <br /> Chromatogram Pattern Gasoline Gasoline -- Gasoline Gasoline <br /> duality Control Data <br /> eport Limit Multiplication Factor 1 0 1 0 2 0 1 0 1 0 50 <br /> ate Analyzed 11/23/96 11/23/96 11/27/96 11/23/96 12/2/96 11/25/96 <br /> nstrument Identification HP-5 HP-5 HP-4 HP-5 HP-5 HP-4 <br /> urrogate Recovery, % 97 106 94 105 101 119 <br /> QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> alytes reported as N D were not detected above the stated reporting iimit <br /> 0U01A.ANALYTICAL, #1271 Please Note <br /> *Sample was initially analyzed on 11/25/96 an HP 4 at a 5 times dilution <br /> QResults were as follows TPHG (N D), Benzene (0 053),Toluene (N D) Ethyl Benzene (0 15) <br /> Total Xylenes (N D) <br /> Melissa A Brewer <br /> �lient Services Representative <br /> 6111101 GER <2> <br /> rA — <br />