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Sequoia `� 680 Chesapeake Drive Redwood City, CA 940`6 (415) 364.9600 FAX (415) 364-9233 <br />■.'VJ_ 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 />qwr <br />270 Perkins Ave. Sample Descript: SS1 C Received: 1 <br />Sonoma, CA 95476 Matrix: SOLID Extracted: 1 <br />Analysis Method: 8015Mod/8020 Analyzed: 1 <br />I nh hli,mhcr• QR1nS7n-na Renorted: 1 <br />Instrument ID: GCHP01 <br />Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br />Analyte Detection Limit Sample Results <br />mg/Kg mg/Kg <br />TPPHas Gas .................... 5.0 .................... 100 <br />Benzene .................... 0.025 .................... 0.028 <br />Toluene 0.025 N. D. <br />Ethyl Benzene .................... 0.025 .................... 0.068 <br />Xylenes (Total) .................... 0.025 .................... 0.59 <br />Chromatogram Pattern: .................... .................... C8 -C12 <br />Surrogates Control Limits % % Recovery <br />Trifluorotoluene 70 130 90 <br />Analytes reported as N.D. were not present above the stated limit of detection. <br />SEQUOIA ANALYTICAL - ELAP #1210 <br />7,40 <br />Mike Gregory <br />Project Manager <br />Page. 4 <br />