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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988-9600 FAX(510)988 9673 <br /> 11co Analytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921-0100 <br /> E ON �; V <br /> � ent Rra�ect Ib ARCC7 2168, Stockton, CA Sampled Mar 12, 1998 <br /> 1433 N Market Blvd Sample Matrix Air Received Mar 13, 1998 <br /> Sacramento, CA 95834 Analysis Method EPA 5030/8020, DHS Luft Reported Mar 25, 1998 <br /> Attention Matt Turner First Sample # 803-0576 <br /> v - <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Sample Sample <br /> Analyte Units Results Results <br /> mg/m3 803-0576 803-0577 <br /> influent Effluent <br /> Purgeable 19 N D <br /> Hydrocarbons Reporting Limit 10 10 <br /> Benzene - N D N D <br /> Reporting Limit 0 050 0 050 <br /> Toluene 013 0 053 <br /> Reporting limit 0 050 0 050 <br /> Ethyl Benzene 021 N D <br /> 4kReporting limit 0 050 0 050 <br /> I Xylenes 20 0 090 <br /> Reporting Limit 0 050 0 050 <br /> Chromatogram Weathered -- <br /> Pattern Gasoline <br /> C6-C12 <br /> Quality Control Data <br /> Date Analyzed 03/13/98 03/13/98 <br /> Instrument Identification GCHP-7 GCHP-7 <br /> Surrogate Recovery, % 105 98 <br />(QC Limits = 60-140%) <br /> Purgeabie Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting lima <br />:47 LYTICAL, ELAP #16 <br /> Ll— <br /> Ronald <br /> rRonald W Bobef <br /> Project Manager/Sacramento Laboratory <br /> 8030576 EMC ¢1> <br />