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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364.9233 <br /> ��/�✓1 1900 Bates Avenue,Suite L Concord,CA 94520 (510) 686-9600 FAX(510) 686.9689 <br /> 1%ff Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921.9600 FAX(916)92.1.0100 <br /> OP08­96rvices Client Project IiO. Unocal#o7aa,antis E. �f tth st.,Tracy Sampled: Fe 13, 1995k' <br /> 2401 Stanwell Dr., Ste. 300 Matrix Descript: Water received: Feb 13, 1995 > <br /> Concord, CA 94520 Analysis Method: FPA 5030/8015/8020 Reported: Mar 1, 1995=< <br /> Attention: Sarkis Karkarian First Sample #: 502-0798 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Sample Sample Purgeable Ethyl Total <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> u9/L ug/L us/L u9/L ug/L <br /> 502-0798 U-1 ND 1.1 ND ND ND <br /> 502-0799 U-2 ND ND ND ND ND <br /> 502-0800 U-3 ND ND ND ND ND <br /> 502-0801 U-4 ND ND ND ND ND <br /> . 502-0802 U-5 57* 0.90 ND ND ND <br /> 502-0803 U-6 1,000 19. ND 64 48 <br /> 502-0804 U-7 ND ND ND ND ND <br /> 502-0805 U-8 ND ND ND ND ND <br /> 502-0806 U-9 ND ND ND ND ND <br /> 502-0807 U-10 ND ND ND ND ND <br /> * Hydrocarbons detected did not appear to be gasoline. <br /> DetectionLimits' so 0.50 0.50 0.50 0.50 <br /> Total Purgeable Petroleum Hydrocarbons are quantitated against afresh gasoline standard. <br /> Analytes reported as ND were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL,1271 <br /> laignature on File <br /> Alan B. Kemp <br /> Project Manager <br /> 5020798.MPD <1> <br /> I <br />