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Sequoia 680 Chesapeake Drive Re4WOod City CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> p+1�■q 404 N Wiget lane Walnut Credo,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921.0too <br /> r:MCON 7^„ .S r'' ^F t rrc`rc n . <br /> client Project ID ARC0 2130, Stockton, C VSampled Mar 5, 1998,- <br /> 1433 N Market Blvd Sample Matnx Water Received Mar 6, 1998,,- <br /> Sacramento, CA 95834 Analysis Method FPA 5030/8020, DHS Luft Reported. Mar 24, 1998n <br /> Attention Dave Foley First Sample# 803-0299 <br /> A <br /> .. ,-• 1 ' �`o ,- . r ' ti v ,, 6,w j;'�},S:.;y..',`. .. `nt,.. uv f ao n^ ;r`-0c°,?'�`;`a,. "4',e:.r'.v�o}�w; 2Yfz��'�Sr�rcu o• <br /> ocwao$�-�w,wYk <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Sample Sample Sample Sample Sample Sample <br /> Analyte Unds Results Results Results Results Results Results <br /> pg/L 803-0299 803-0300 803-0301 803-0302 803-0303 803-0304 <br /> MW-1 MW-2 MW-3 MW-4 MW-5 MW-6 <br /> (731 (721 (721 (73) (751 (71) <br /> Purgeable N D N D N D N D N D 60 <br /> Hydrocarbons Reporting Limit 50 50 50 50 50 50 <br /> Benzene 051 22 N D N D 5 6 16 <br /> Reporting Limit 050 050 050 050 050 050 <br /> Toluene N D N D N D N D 18 N D <br /> Reporting Limit 050 050 050 050 050 050 <br /> Ethyl Benzene N D N D N D N D 16 N D <br /> Reporting Limit 050 050 050 050 050 050 <br /> Total Xylenes N D N D N D N D 31 N D <br /> Reporting Limit 050 050 050 050 050 050 <br /> Chromatogram __ _. __ _- <br /> Pattern -- Weathered <br /> Gasoline <br /> C6-C12 <br /> Quality Control Data <br /> Date Analyzed 03/06/98 03/06/98 03/06/98 03/06/98 03/06/98 03/06/98 <br /> Instrument Identification GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 102 100 102 104 101 102 <br /> (OC Limits = 60-140%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> SEQUOIA ANALYTICAL, FLAP#16 <br /> �� <br /> n � <br /> _ <br /> Ronald W BobeE <br /> Project Manager/Sacramento Laboratory <br /> 8030299 EMC <1> <br />