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Sequoia 680 Chcuprake Drkvc Rcdwond Gt% CA 944E 1 (415) 354 9600 FAX (4151 364 9233 <br /> y-� <br /> OWN W,,g.1 Lanc Walnut Creck CA 94599 (510) 9i4 )600 FAX(510)948 9673 <br /> Analytical 819 Sinkcr Avcnuc SWC 8 Sacrtimcntn CA 95834 0160 921 woo FAX (916) 921 WOO <br /> I <br /> Environmental Resolutions Client Prop ID Unocal 5886 205503 <br /> 74 Digital Drive Suite 6 Sample Descript S 11 67 Sampled 04/15/97 <br /> Novato CA 94949 Matrtx SOLID Received 04/18/97 <br /> Analysis Method EPA 8015 Mad Extracted 04/23/97 <br /> Attention Keith Romstad Lab Number 9704814 04 Analyzed 04/24/97 <br /> Reported 05/01/97 <br /> OC Batch Number GC0423970HBPEXA <br /> Instrument ID GCHP4B <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit <br /> Sample Results , <br /> rng/Kg mg/Kg <br /> TEPH as Diesel <br /> Chromatogram Pattern 1 0 N D <br /> Surrogates Control Limits <br /> n-Pentacosane (C25) % Recovery <br /> 50 150 57 <br /> --ialytes reported as N 0 were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL ELAP #1210 <br /> Follett <br /> t Manager <br /> Page g <br />