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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 C4 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> 4tPDS Services Client Project ID Unocal#2859 1665 Pacific Ave Stockton Sampled Nov 9 1995 <br /> 1 p <br /> 2401 Stanwell Dr, Ste 300 Matrix Descript Water Received Nov 9, 1995 <br /> Concord, CA 94520 Analysis Method EPA 5030/8015 Mod /8020 Reported Nov 27, 1995 <br /> Attention Jarrel Crider First Sample# 511-1126 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Sample Sample Purgeable Ethyl Total <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> pg/L Mg/L pg/L Ing/L Fig/L <br /> 511-1126 MW1 140 074 1 8 1 4 38 <br /> 511-1127 MW2 140,000 6,400 45,000 5,600 29,000 <br /> 511-1128 MW3 1,000 90 62 11 48 <br /> 511-1129 MW4 460 076 31 19 40 <br /> 511-1130 MW5 ND ND 14 ND 16 <br /> 511-1131 MW6 240 17 12 58 26 <br /> 511-1132 MW7 ND ND ND ND ND <br /> 511-1133 MWS ND ND 25 ND ND <br /> 511-1134 MW9 86* ND 14 ND 23 <br /> * Hydrocarbons detected did not appearto be gasoline <br /> [—Detection imits 50 0 50 050 050 050 <br /> Total Purgeable Petroleum Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as ND were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #2000 <br /> Qgnature on File <br /> Alan B Kemp <br /> Project Manager <br /> 5111126 MPD <1> <br />