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i <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive Redwood City, CA 94063 <br /> (415) 364-9600 • FAX (415) 364-9233 <br /> Kaprealian Engineering, Inc Client Project ID [Unocal#5421, Stockton,7303 Pacific Sampled Dec 5, 1989 <br /> P O Box 996 Matrix Descnpt Soil Received Dec 6, 1989 <br /> Benicia, CA 94510 Analysis Method EPA 5030/8015/8020 Analyzed Dec 6, 1989 <br /> Attention Mardo Kaprealian, P E First Sample# 912-0369 Reported Dec 7, 1989 <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with BTEX DISTINCTION (EPA 8015/8020) <br /> Sample Sample Low/Medium B P Ethyl <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> mg/kg mg/kg mg/kg mg/kg mg/kg <br /> (ppm) (ppm) (Ppm) (Ppm) (ppm) <br /> 912-0369 A2(25 5) 15 099 N D N D N D <br /> 912-0370 B2(26 5) 17 036 N D 010 023 <br /> 912-0371 Sw1 (13) 16 058 1 2 051 30 <br /> 912-0372 Sw1 (19) 40 037 010 N D 025 <br /> . 912-0373 sw2(20/13) 18 015 N D N D N D <br /> 912-0374 Sw2(20/19) 52 N D N D N D 035 <br /> Detection Limits 10 005 01 01 0 1 <br /> Low to Medium Boding Point Hydrocarbons are quantitated against a gasoline standard <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL <br /> 10b�u <br /> Belinda C Vega <br /> Project Manager <br /> 9120369 KEI c 1> <br />