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Sequoia 680 Ckc%apcake Drive R•dwriod Cit) CA 940n i (315) 3o4 9h00 FAX (415) 364 9233 <br /> 404 N W,gct Lane Walnut Creek CA 94599 (510} ')94 7600 FAX (510) 988 9(,73 <br /> Analytical 819 Stnkcr Avenuc Suitc 8 Sacrar„cnto CA 95334 (916) 92t 9(00 FAX f916; 921 001 <br /> Environmental Resolutions Client Pro! ID Unocal 5886 205503 <br /> 74 Digital Drive , Suite 6 Sample Descnpt S 6 0 B6 Sampled 04/15/97 <br /> Novato CA 94949 Matrix SOLID Received 04/18/97 <br /> Analysis Method EPA 8015 Mod Extracted 04/23/97 <br /> Attention Keith Romstad Lab Number 9704B1403 Analyzed 04/24/97 <br /> Reported 05/0197 <br /> OC Batch Number GC0423970HBPEXA <br /> Instrument ID GCHP4B <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit <br /> Sample Results � <br /> mg/Kg m9/K9 <br /> TEPH as Diesel <br /> Chromatogram Pattern 1 0 N D <br /> Surrogates Control Limits % a <br /> n-Pentacosane (C25) 50 /o Recovery <br /> 150 53 <br /> -nalltes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> /, , <br /> 2 4�-�- <br /> *Follett t Manager <br /> Page 6 <br />