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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX(415) 364-9233 <br /> v? ` i v .Pr'}"Ginn W}}vi .h 4n�tr t vv vry {Y}` �`.. ..rrc<•,-. : . ". „£'?: n. .-n{� 4 v . ,,..rr.{.: .. '" a4{, ,4 , .'.`Y ' :.' <br /> ,RESNA Client Project ID W0613 01,Tracy Public School Sampled Oct 11,;n 1993': <br /> 1710 Main Street Sample Matrix Water Received Oct 13. 1993 , <br /> }Escalon, CA 95320 Analysis Method EPA 5030/8015/8020 Reported Oct 26, 1993 <br /> .'Attention John Lane First Sample#� 3J88201 <br /> }` <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample <br /> Analyte Limit I.D. I D. I D. <br /> N9/L 3JB8201 3J88202 3JB8203 <br /> TPS MW1 TPS MW2 TPS MW3 <br /> Purgeable <br /> Hydrocarbons 50 N D N D N D <br /> Benzene 050 N D N D N D <br /> Toluene 0 50 N D N D N D <br /> Ethyl Benzene 0 50 N D N D N D <br /> Total Xylenes 0 50 N D N D N D <br /> Chromatogram Pattern -- -- <br /> Quality <br /> -Qualit Control Data <br /> Report Limit Multiplication Factor 10 10 10 <br /> Date Analyzed 10/19/93 10/19/93 10/19/93 <br /> Instrument Identification GCHP-18 GCHP-18 GCHP-18 <br /> Surrogate Recovery, % 91 100 100 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting lima <br /> SEQUOIA ANALYTICAL <br /> Vickie Tague <br /> Project Manager 3J$8201 WAT tet, <br />