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. - • _ _.. ... �.......... - - - .. ------- <br /> Sequoia 404 N. CLane <br /> Walnut Creek,, CAA 94598 i <br /> (925)988-9500 i <br /> Analytical FAX(925) 968-9673 <br /> - _..... <br /> 'Sequoia Analytical Client Project iD M906850-ATC Associates Inc. Sampled. Jun 24, 1999 <br /> 885 Jarvis Dr. Sample Matrix: Water Received: Jun 25, 1999 :: <br /> Morgan Hill, CA. 95037 Analysis Method: EPA 5030/8015 Mod./8020 Reported: Jul 9, 1999:::": <br /> Attention: 'Kayvan Kimyai First Sample#: 906-2447 <br /> QC Batch Number: GCO70799 GC070799 GC070799 GC070799 GC070799 GC070799 <br /> 802002A 802002A 802002A 602002A 802002A 802002A <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. I.D. <br /> erg/L 906-2447 906-2448 906-2449 906-2450 906-2451 906-2452 <br /> MW-1 MW-2 MW-3 MW-4 MW_5 MW-6 <br /> Purgeable <br /> Hydrocarbons 50 N.D. 1,600 300 N.D. N.D. N.D. <br /> Benzene 0.50 N.D. 970 340 1.7 N.D. N.D. <br /> Toluene 0.50 N.D. 44 N.D. N.Q. 0.51 N.D. <br /> Ethyl Benzene 0.50 N.D. 51 7.0 N.D. N.D. N.D. <br /> Total Xylenes 0.50 N.D. 140 6.6 N.D. N.D. N.D. <br /> MTBE 2.5 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Chromatogram Pattern: Gasoline Gasoline <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 20 1.0 1.0 1.0 1.0 <br /> Date Analyzed: 7/7/99 7/7/99 7/7/99 7/7/99 7/7/99 7/7/99 <br /> Instrument Identification: HP-2 HP-2 HP-2 HP-2 HP-2 HP-2 <br /> Surrogate Recovery, %: 90 104 110 98 98 91 <br /> (QC 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 /> SEQUOIA ANALYTICAL, #1271 <br /> Charlie Westwater <br /> Project Manager <br /> 9062447,SSS <1> <br />