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4 D Sequoia <br />TI&V Analytical <br />\W 680 Chesapeake Drive Redwood City, CA 948 (415) 364-9600 FAX (415) 364.9233 <br />404 N. Wiget Lane Walnut Creek, CA 94598 (510) 988-9600 FAX (510) 988-9673 <br />819 Striker Avenue, Suite 8 Sacramento, CA 95834 (916) 921-9600 FAX (916) 921-0100 <br />___.._.... _.............. <br />Enviros <br />Client Proj. ID: Shell 3011 Benjamin Holt Dr. <br />Sampled: <br />10/09/96 <br />270 Perkins Ave. <br />Sample Descript: SS3D <br />Received: <br />10/09/96 <br />Sonoma, CA 95476 <br />Matrix: SOLID <br />Extracted: <br />10/09/96 <br />Analysis Method: 8015Mod/8020 <br />Analyzed: <br />10/10/96 <br />Attention: _Joe _Neely <br />Lab Number: 9610570-12 <br />..:...:e:::i_iiiiiiiiia=_iiiii:ii2.'.`.'!i:'.:::a:::::::c::::_::::::.... <br />Reported <br />19J.1.11 <br />_:_:_:,,,o.._....._..... <br />0C Batch Number: GC100996BTEXEXC <br />....:.. <br />....... <br />. <br />Instrument ID: GCHP07 <br />Total Purgeable Petroleum Hydrocarbons (TPPH) with <br />BTEX <br />Analyte <br />Detection Limit <br />Sample <br />Results <br />mg/Kg <br />mg/Kg <br />TPPH as Gas <br />.................... 1.0 ....... <br />......... <br />1.1 <br />Benzene <br />0.0050 <br />N.D. <br />Toluene <br />0.0050 <br />N.D. <br />Ethyl Benzene <br />0.0050 <br />N.D. <br />Xylenes (Total) <br />.................... 0.0050 .................... <br />0.029 <br />Chromatogram Pattern: <br />.................... .................... <br />C9 -C12 <br />Surrogates <br />Control Limits % <br />% Recovery <br />TriFlucrotoluene <br />70 130 <br />93 <br />Analytes reported as N.D. were not present above the stated limit of detection. <br />SEQUOIA ANALYTICAL - ELAP #1210 <br />Mike Gregory <br />Project Manager <br />Page: 13 <br />