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Sequo ia u680 Chesapeake Drive Redwood C4, CA 94 (415) 364.9600 FAX(415) 364-9233 <br /> 404 N.Wiget Lane Walnut Creek,CA 941 (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 /> ....................................... <br /> .................. ............. ..................... ........... ............. <br /> ............................................ ................... .............. ........................................................................ .... <br /> j:T.......................................... ............. ................... .......... <br /> ....................................................................... <br /> 0i <br /> Touchstone Developments ....... . ................... ............. .......................... <br /> Client Proi. ID: Chevron Sampled: 09/27/95 <br /> 5807 Balboa Drive r Sample Descript: TS-1 Received: 09/28/95 Y� <br /> Oakland, CA 94611 Matrix: SOLID Extracted: 09/28/95 <br /> A Analysis Method: 8015Mod/8020 Anal 09/29/95 <br /> Attention: Robert Mallor Lab Number, 9509102-01 <br /> ....................... Rer)ortec:- <br /> .y. <br /> ..........................................: .......................................... 1 7 T T Z <br /> ...........­........... ...................... ............ <br /> .............. -Uil6i................... M <br /> .................................. ...........­............ .............. ... ..................... <br /> OCBatch Number: GCO92895BTEXtiff.............................................. .............. ................. ............................ ........................ <br /> Instrument 10: GCHP06 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte <br /> Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas .................... 1.0 .................... 4.8 <br /> Benzene <br /> 0.0050 N.D. <br /> Toluene <br /> 0.0050 N.D. <br /> Ethyl Benzene <br /> 0.0050 N.D. <br /> Xylenes (Total) .................... . 0.0050 ..................... 0.35 <br /> Chromatogram Patt6rn. <br /> Weathered Gas <br /> ......... .......... .................... C8-C12 <br /> ij <br /> -Surrogates Control Limits% % Recovery <br /> Trifluorotoluene ;j 70 130 1350 <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> E. <br /> SEQUOIA ANALYTICAL ELAP #1210 <br /> ji <br /> argasacchi U <br /> Prote�t Manager <br /> Page: <br />