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SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue a Suite LM a Concord, California 94520 <br /> OWWW (415) 686-9600 0 FAX (415) 686-9689 <br /> Kaprealian Engineering, Inc Client Project ID Unocal,7303 Pacific Ave,Stockton Sampled Mar 26, 1991 <br /> P O Box 996 Matrix Descript Water Received Mar 27, 1991 <br /> Benicia, CA 94510 Analysis Method EPA 3510/8015 Extracted Apr 1, 1991 <br /> Attention Mardo Kaprealian, P E First Sample# 103-0899 C Analyzed Apr 3, 1991 <br /> Reported Apr 10, 1991 <br /> TOTAL PETROLEUM FUEL HYDROCARBONS (EPA 8015) <br /> Sample Sample High B P <br /> Number Description Hydrocarbons <br /> pg/L <br /> (ppb) <br /> 103-0899 C mw-1 N D <br /> i <br /> Detection Limits: 50 <br /> High Boiling Point Hydrocarbons are quantitated against a diesel fuel standard <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL <br /> Belinda C Vega <br /> Laboratory Director 1030899 KEI <5> <br />