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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364-9239 <br /> 1990 Bates Avenue,Suite L Concord,CA 94520 (510) 686-9600 FAX(510) 686-9689 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX (916) 9110100 <br /> PDS Services CiProject lD: Unocal #0788,8203 . 1 itti St,Tracy sampled...........Nov.-8, 1994 <br /> elent Received. Nov 8, 1994.- <br /> 2401 Stanwell Dr., Ste. 400 Matrix Descript: Water <br /> Concord, CA 94520 Analysis Method: EPA 5030/8015/8020 Reported: Nov 23, 1994:1:: <br /> Attention: Avo Avedissian First Sample#: 411-0512 <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 rig/L ug/L Ng/L pg/L <br /> 411-0512 U1 ND ND ND ND ND <br /> 411-0513 U2 ND ND ND ND ND <br /> 411-0514 U3 ND ND ND ND ND <br /> 411-0515 U4 ND ND ND ND ND <br /> . 411-0516 U5 ND ND ND ND ND <br /> 411-0517 U6 ND ND ND ND ND <br /> 411-0518 U7 ND ND ND ND ND <br /> 411-0519 U8 ND ND ND ND ND <br /> 411-0520 U9 ND ND ND ND ND <br /> 411-0521 U10 ND ND ND ND ND <br /> ete Ion Im s: so 0.50 0.50 0.50 0.50 <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, #1271 <br /> 0-ignature on File <br /> Alan B. Kemp <br /> Project Manager <br /> 4110512.MPD <1> <br />