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AUG 1 3 L% <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City,CA 94063 1 <br /> (415) 364-9600 FAX(415) 364-9233 <br /> �..? awh..�C.wzMvay�, <br /> r�RESNA Client Project ID- W0475,Weber Point Sampled: Aug a+s 1992 F <br /> 1710 Main Street Sample Matrix: Air Received: Aug &, 1992 <br /> Escalon, CA 95320 Analysis Method- EPA 5030/8015/8020 Reported: Aug 11, 1992 x <br /> Attention Tina Le Page First Sample# 208-07i6 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEC DISTINCTION <br /> Reporting Sample <br /> Analyte Limit I.D. <br /> pg/L. 208-0716 <br /> [NFL <br /> Purgeable <br /> Hydrocarbons so 1,400 <br /> Benzene 0 050 ND <br /> Toluene 0 050 81 <br /> Ethyl Benzene 0 050 46 <br /> Total Xylenes 0 050 240 <br /> Chromatogram Pattern Gag <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 100 <br /> Date Analyzed 8/6/92 <br /> Instrument Identification GCHP-2 <br /> Surrogate Recovery, % 103 <br /> (OC 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 /> IDS ANALYTICAL <br /> fin^ <br /> �v y l <br /> affect Manager 2080718 WAT 4 1 <br />