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a <br /> SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 s Sacramento, CA 95834 <br /> (916) 921-9600 o FAX (916) 921-0100 <br /> Alton Geoscience Client Project ID #42-0014-00, Cal Trans Sampled Apr 7, 1992 <br /> 3035 Prospect Park Dr , Suite 80 Matrix Descrlpt Water Received Apr 7, 1992 <br /> Rancho Cordova, CA 95670 Analysis Method EPA 5030/8015/8020 Analyzed Apr 14, 1992 <br /> Attention Matthew Taylor First Sample # 204-0134 Reported Apr 14, 1992 <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 /> u9/L N9/L u9/L u9/L u9/L <br /> (ppb) (ppb) (ppb) (ppb) (ppb) <br /> 204-0134 MW 12 ND ND ND ND ND <br /> 204-0136 MW-11 420 33 068 037 064 <br /> I <br /> 204-0137 MW 8 N D N D 057 N D N D <br /> . I <br /> 204-0138 MW 7 N D N D 051 N D 037 <br /> Detection Limits 30 030 030 030 030 <br /> Low to Medium BoilingPoint Hydrocarbons are quantitated against a gasoline standard <br /> Y 4 <br /> Anatytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL <br /> Michael R Giles <br /> Laboratory Director <br /> 2040134 ALR t 1> <br />