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RECEIVED AUG <br /> SEQUOIA ANALYTICAL f 8 1993 <br /> 680 Chesapeake Dave - Redwood City, CA 94063 <br /> (415) 364-9600 - FAX (415) 364-9233 FILE <br /> °RESIVA� u r r �,. .... rN � <br /> GientWProleCt'lD 540U6 05, Coca Coia Stockton �. h <br /> Sampled f Aug 10, 1993w <br /> ' 1710 Main Street Sample Matrix Air Received Aug 10, 1993'h <br /> ` Escalon, CA 95320 Analysis Method EPA 5030/8015/8020 Reported Aug 13, 1993 <br /> ,,Attention Jeanne Homsey x First Sample # 3H44701 v <br /> +.ivr tt v v r i 4 w z s v..`y}.y v,fy yyM1 v x <br /> ' TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample <br /> Analyte Limit I.D. I.D. <br /> ' pg/L 31-144701 31-144702 <br /> S s-I of S s-Eff <br /> Purgeable <br /> Hydrocarbons so 7,000 69 <br /> Benzene 0 050 390 37 <br /> ' Toluene 0 050 840 76 <br /> Ethyl Benzene 00-50 110 12 <br /> Total Xylenes yl 0 050 550 61 <br /> rChromatogram Pattern Gas Gas <br /> 1 <br /> Qual Control Data <br /> Report Limit Multiplication Factor 100 25 <br /> Date Analyzed 8/11/93 8/11/93 <br /> Instrument Identr lcation GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 114 108 <br /> (DC 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 limit <br /> ' SEQUOIA ANALYTICAL <br /> F <br /> Vicicle Tag <br /> Project Manager <br /> 3H44701 WAT <1> <br />