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j SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 Ij 'f <br /> (510) 686-9600 • FAX (510) 686-9689 <br /> +w{ hvw} p�rnr,rbb b <br /> aux As`sociafes <br /> 1855 Gateway Blvd , Ste 770 Sample Matrix Soil Received Sep 29, 1993 <br /> Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported Oct 4, 1993 <br /> f Attention Paul Supple First Sample# 309-1356 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br />' Reporting Sample <br /> Analyte Limit 1 D. <br />' mg/kg 309-1356 <br /> CA3 (A-D) <br /> Purgeable <br />' Hydrocarbons 10 59 <br />' Benzene 0 005 N D <br /> Toluene 0 005 00067 <br /> 1 <br /> Ethyl Benzene 0 005 N D <br /> PTotal Xylenes 0 005 0 024 <br /> Chromatogram Pattern Non-gasoline <br /> mixture > CIO <br /> Quality Control Data <br /> Report Limit Multiplication Factor 10 <br /> Date Analyzed 10/4/93 <br /> Instrument Identification HP-4 <br /> Surrogate Recovery, % 96 <br /> (OC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N Q were not detected above the stated reporting lima <br /> QUOTA ANALYTICAL <br /> Kenneth KF Lee <br />' Laboratory Director <br /> 3091356 ROU <1 <br />