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/ SEQUOIA ANALYTICAL _� s�°e� <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> (415) 364-9600 • FAX (415) 364-9233 <br /> RE$NA Ciierit Project ID 05400606, iroca bola Stockton Sa`m t lV 'v A At. <br /> Ped' o �2,N1993 <br /> 1710 Main Street Sample Matnx Air Received Nov 2, 1993 , <br /> Escalon, CA 95320 Analysis Method EPA 5030/8015/8020 Reported Nov 5, 1993 <br /> ' Attention Jeanne Homsey First Sample# 3K12701 <br /> ' TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample <br /> Analyte Limit I D. I.D. <br /> Mg/L. 31<12701 3K12702 <br /> CS VES EFF CS VES INF <br /> Purgeable <br /> Hydrocarbons 50 N D 420 <br /> ' Benzene 0 050 Oil is <br /> Toluene 0 050 038 10 <br /> Ethyl Benzene 0 050 Oil 45 <br /> Total o al Xylenes 0 050 072 26 <br /> Chromatogram Pattern Gas Gas <br /> Quality Control Data <br /> Report Limit Multiplication Factor 10 50 <br /> ' Date Analyzed 11/3/93 11/3/93 <br /> Instrument Identrfication GCHP-3 GCHP-3 <br /> Surrogate Recovery, % 104 137* <br /> (OC Limits = 70-130%) <br /> *Coelution confirmed <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N 0 were not detected above the stated reporting limit <br /> ' SEQUOIA ANALYTICAL <br /> h:4yxL-- <br /> Vickie T <br /> Project Manager 3K12701 WAT <1> <br />