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SEQUOIA 'ANALYTICAL <br /> 1900 Bates Avenue e Suite LM o Concord, California 94520 <br /> (510) 686-9600 o FAX (510) 686-9689 <br /> ............. <br /> .......... ..................... . .... .. .. . . .............. <br /> .....Kaprealian Engineering, Inc. Client Project ID: Unocal,2835 Navy Drive, Stockton Sampled: Apr 22, 1992--- <br /> .."2401 Stanwell Drive, Suite 400 Matrix Descript: Soil Received: Apr 22, 1992 <br /> :....Concord, CA 94520 Analysis Method: EPA 3550/8015 Extracted: Apr 23, 1992'-:-: <br /> Attention: Mardo Kaprealian, P.E. First Sample#: 204-0923 Analyzed: Apr 23, 1992 <br /> Reported: Apr 24, 1992 <br /> .... ...... <br /> .. ................... <br /> .............. <br /> . . ......... <br /> . :........................ . .. . . ....... . . ...... ........ <br /> TOTAL PETROLEUM FUEL HYDROCARBONS (EPA 8015) <br /> Sample Sample High B.P. <br /> Number Description Hydrocarbons <br /> mg/kg <br /> (ppm) <br /> 204-0923 SwIl N.D. <br /> 204-0924 SW2 120 <br /> 204-0925 SW3 2.7 <br /> II <br /> 204-0926 SW4 N.D. <br /> 204-0927 SW5 N.D. <br /> Method Detection Limits: 1.0 <br /> High Boiling Point Hydrocarbons are quantitated against a diesel fuel standard. <br /> SEQUOIA ANALYTICAL <br /> Belinda C.Vega 2040923.KEI <2> <br /> Laboratory Director <br />