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1 <br /> r <br /> i <br /> I <br /> SEQUOIA ANALYTICAL F <br /> 660 Chesapeake Drive • Redwood City,CA 94063 <br /> (415)364.9600 FAX(415)364-9233 Ei <br /> E' <br /> Delta t=nvironinl ntal Consultants Client Prjo ect ID y <br /> 3330 Cata Drive 4t) ter8t3,Chartor w� ,Shelf,Stockton Sampled Apr 25, 1991 <br /> Matrix D©script. Water Racelved• Apr 29, 1991,.! f <br /> . Rancho Cordova,CA 95670 Analysis Method: EPA 5030 8015 8020 <br /> Attention Hal Dihm / / Analyzed; 4/30&5/t/9i <br /> First Sample# 104564 A B <br /> .4wr % ..., v ,,:.. v:. May 2, 991` <br /> Reported: <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with BTEX DISTINCTION(EPA 8015/8020) <br /> Sample Sample Low/Medium D.P. Ethyl <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes l" J <br /> pg/L pg/L pg/L ug/L pg/L <br /> (ppb) (ppb) (ppb) (ppb) (ppb) <br /> 1044564 A-B t4tW9 120,000 21,000 24.000 2,200 15,000 t li <br /> i; <br /> j <br /> l <br /> •I <br /> ii <br /> ' _ l <br /> ' l <br /> a r <br /> l�1. <br /> l � <br /> Detection Limits: 12,000 120 120 120 120 1` <br /> Low to Medium Boiling Point Hydrocarbons are quantitated against a gasoline standard, <br /> Analytes reported as N.D.wets not present above the stated limit of defection. Because matrix effects and/or ether factors f <br /> required additional sample dilution,dofactlon limits for this sample have been raised. <br /> E�JQU01AANALYMCAL � <br /> 6 ails t 31mey Springer <br /> Project Manager loaaseo.DLr <s, r <br /> ` i <br /> i. <br /> ` 4 <br /> I <br />