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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue Suae 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) 921 0100 <br /> ` PDS Services Client Project ID Unocal#0187,437 E Miner Ave,Stockton Sampled Aug 19, 1994 <br /> 101 Stanwell Dr, Ste 400 Matrix Descrlpt Water Received Aug 19, 1994 <br /> oncord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported Sep 6, 1994 <br /> Attention Avo Avedissian First Sample # 408-1469 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Sample Sample Purgeable Ethyl Total <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> Fig/L Mg/L ug/I- Mg/L Ing/L <br /> 408-1469 U1 5,000 960 17 380 1,200 <br /> 408-1470 U2 870 150 12 33 87 <br /> 408-1471 U3 51,000 9,700 1,300 2,100 5,600 <br /> 0 <br /> Detection Limits 50 0 50 0 50 050 050 <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, #1271 <br /> 0ignature on Pile <br /> Alan B Kemp <br /> Project Manager <br /> 4081469 MPD ¢1> <br />