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r • . <br /> ' <br /> sequoia 680 Chesapeake Drive Redwood City,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 /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916).921-9600 <br /> Analytical -9600 FAX. 921-0100 <br /> MPDS Services Client Project ID: Unocal....0123, 1034 Central Ave.,Tracy . Sampled. Sep 12, 1996 <br /> 2401 Stanwell Dr., Ste.300 Matrix Descript:. Water Received: Sep 12, 1996 <br /> Concord, CA 94520 Analysis Method: EPA 5030/8015 Mod./8020 Reported: --Sep 30, 1996 <br /> Attention: Jarrel Crider First Sample#: 609-0769 <br /> > <br /> i <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> jSample Sample Purgeable Ethyl Total <br /> i Number Description Hydrocarbons Benzene.. Toluene Benzene : Xylenes <br /> Fig/L. Ug/L µg/L µg/L. Ing/L <br /> h . <br /> 609-0769 U-1 ND ND ND ND ND <br /> } 609-0770 U-2 ND ND ND ND ND <br /> i <br /> 609-0771 U-3 ND ND ND ND ND <br /> ` 609-0772 ES-1 ND ND ND ND ND <br /> 609-0774 ES-3 ND ND ND ND. ND <br /> etecUon emits: 50 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 /> I <br /> i SEQUOIA ANALYTICAL,#1271 <br /> ignature on File <br /> Alan B. Kemp <br /> Project Manager -Page 1 of 2 <br /> 6090769.M P D <1> <br /> e ' <br /> i <br /> • g� - w <br />