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a) Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX (415) 364-9233 <br /> 404 N.Wiget 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 /> ............................_............ient...............Pro'.....111 . <br /> Delta Env .._....ID:..__.._.._....... 7-3330, Stockton Sam................................................................................................pled: 06/.......... .. <br /> ironmental Consults Cl1. Exocon /29/95-" <br /> €€ 3330 Data Drive Sample Descript: MW-5A Received: 07/03/95 <br /> Rancho Cordova, CA 95670 Matrix: LIQUIDnt <br /> Analysis Method: 8015Mod/8020 Analyzed: 07/05/95 <br /> Attention: Keoni Almeida Lata Number:. 9507031.-01 Reported: 07/07/95::::::::::::: <br /> _........................_................. ...........-.............. ....... - .._..........................._............. ... ....................................................... <br /> ::a;s::::t::aaa::::::::s:::::: :.... .............................----...._................--....................................................... .................................................... <br /> QC Batch Number: GC070595BTEX20A <br /> Instrument ID: GCHP20 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N.D. <br /> Benzene .................... 0.50 .................... 0.65 <br /> Toluene 0.50 N.D. <br /> Ethyl Benzene 0.50 N.D. <br /> Xylenes (Total) 0.50 N.D. <br /> Chromatogram Pattern: <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 88 <br />• <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL - ELAP 41210 <br /> We Gregory <br /> Project Manager Page: 1 <br />