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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364-9233 <br /> 1900 Bates Avenue, <br /> Analytical e, Suite L Concord CA 94524 {SID} 686 9600 FAX(510)484 9689 <br /> 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916) 921-9604 FAX(916)921-0100 <br /> EAM-West Client Project Ib Port of Stockton,2308 00 Sampled Feb 2, 1995 <br /> 1777 Botelho Dr, Ste 260 Sample Matra Water Received Feb 3, 1995 <br /> Walnut Creek, CA 94596 Analysis Method EPA 5030/8015/8020 Reported Feb 16, 1995 <br /> Attention Arun Chemburkar First Sample # 502-0209 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br />' Reporting Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. LD <br />' 1-(g/L 502-0209 502-0210 502-0211 502-0212 502-0213 <br /> MW-1A (D) MW-2A MW-3A MW-4A MW-5A <br /> Purgeable <br />' Hydrocarbons 50 3,600 370 N D N D N D <br /> Benzene 050 650 19 N D N D N D <br /> Toluene 050 65 66 N D N D N D <br />' <br /> Ethyl Benzene 050 160 72 N D N D N D <br /> 6 Total Xylenes 050 170 32 N D <br /> ND ND <br />' Chromatogram Pattern Gasoline Gasoline <br /> Quality Control Data <br />' Report Limit Multiplication Factor 10 10 10 1 0 1 0 <br /> Date Analyzed 2/6/95 2/6/95 2/6/95 2/6/95 2/6/95 <br /> Instrument Identification HP-4 HP-5 HP-2 HP-4 HP-4 <br />' Surrogate Recovery, % 90 78 92 93 88 <br /> (QC Limits = 70-13o%) <br /> Purgeable Hydrocarbons are quantitated against a fresh <br /> g gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> SEDUOIA AN4� ALYTICA <br /> L,#1271 <br /> Kenneth K i` Lee <br /> Laboratory Director <br /> 50202173 ERM <2> <br /> T <br />