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M <br /> —D SEQUOIA A LYTICAL <br /> 1900 Bates Avenue o Suite LM • Concord. California 94520 <br /> (415) 686.9600 s FAX (415) 686.9689 <br /> r�1 <br /> A <br /> Appped GeoSystems(Sacramento) Client Project ID: <br /> Arco#2130-90 i/Stockton <br /> 4191 E.power inn Rd. Matrix Descnpt: Sol[ Sampled: ,fun 24. 1391 <br /> Sacramento,CA 95826 Analysis Method: EPA 5030/$015/8020 Received: Jun 25, 1991 <br /> A,tenifon Eloise Frick First ample# 106-0604 Analyzed; Jun 25, 1991 <br /> h...n:;., Wort Jun 27, 1991 <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with STEX DISTINCTION(EPA 8015/8020) <br /> Sample Sampie Low/Medium B.P. <br /> Number DeacrtptionEthyl <br /> Hydrocarbons Benzene Toluene Benzene Xylenes i <br /> Owl (Par►? mg/kg mg/kg mg/kg mg/kg <br /> (ppm) (Ppm) (ppm) (ppm) <br /> 106-0604 $-30.81 690 1.7 <br /> 12 8.9 60 <br /> 106-0605 5-45-81 1,400 13 75 <br /> F 31 170 <br /> 106-0606 . S•55-B1 520 6.4 <br /> 35 13 <br /> t <br /> } <br /> t <br /> i <br /> i <br /> l <br /> 3 � <br /> j <br /> Detection Limits: 50 0.25 0.25 <br /> 0.25 0.25 <br /> Low to Medium Boiling Point Hydrocarbons are quantitated against a gasoline standard. <br /> Analytes rapoRod as N.Q.were not present above the ste-ed limit of defection. Because matrix effects and/or other factors----- - - <br /> required addWolgl sample dilution,-detaadon limits for this sample have been raised, -- <br /> b�QUOIA ANALYTICAL <br /> i <br /> b J la R.Malerstein <br /> o)ect Manager <br /> 1060603.APS 42> <br />