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ree 90Y`) m <br /> 4 � <br /> Sequoia 680 Chesapeake Drove Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> r <br /> 404 N Woget Lane Walnut Creek 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 0100 <br /> 5R Client Project ID Lopez Property Sampled Jul 22, 1997 <br /> 1050 Melody Lane, Ste 160 Sample Matrix Water Received Jul 22, 1997 <br /> Roseville, CA 95678 Analysis Method EPA 5030/8020, DHS Luft Reported Jul 29, 1997 <br /> Attention Mike Lee First Sample # 707-0663 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample <br /> Analyte Limit ID ID 1.13 <br /> pg/L 707-0663 707-0664 707-0665 <br /> MWt MW2 MW3 <br /> Purgeable <br /> Hydrocarbons 50 N D N D N D <br /> Benzene 050 N D N D N D <br /> Toluene 050 N D N D N D <br /> Ethyl Benzene 050 N D N D N D <br /> Dotal Xylenes 050 N D N D N D <br /> Chromatogram Pattern <br /> Quality Control Data <br /> Reporting Limit <br /> Multiplication Factor 1 0 1 0 1 0 <br /> Date Analyzed 07/23/97 07/23/97 07/23/97 <br /> Instrument Identification GCHP-7 GCHP-7 GCHP-7 <br /> Surrogate Recovery, % 91 84 85 <br /> (QC 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, ELAP #1624 <br /> nda C Schneider <br /> roaect Manager/Sacramento Laboratory <br /> 7070663 ENS <1> <br />