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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> n fii••� ii�j�••i <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX{510) 968 9673 <br /> Analytical 819 Striker Avenuc Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> _ Pacific Environmental Group- - Client Prol ID 911-007 1A/541A7, Manteca Sampled 01/14/98 <br /> 2025 Gateway Place, Suite 440 Sample Descript PD1C7a 2 Received 01/15/98 <br /> San Jose, CA 95110 Matrix SOLID Extracted 01/20/98 <br /> Analysis Method EPA 8015 Mod Analyzed 01/26/98 <br /> Attention Joe Muzzio Lab Number 9801861-01 _ deported 02YO9198 <br /> QC Batch Number GCO120986TEXEXB - -- <br /> Instrument ID GCHP22 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/K9 <br /> TPPH as Gas 1000 <br /> Chromatogram Pattern 15000 <br /> Weathered Gas <br /> C6-C12 <br /> Surrogates Control Limits % <br /> Trifluorotoluene 70 % Recovery <br /> 4-Bromofluorobenzene 130 94 <br /> 60 140 4 Q <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Granicher <br /> oject Manager <br /> Page 3 <br />