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1 <br /> SEQUOIA ANALYTICAL RECEN ED <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> io (510) 686-9600 FAX (510) 686-9689 <br /> "���' h♦ V v `1 vav 4 .+M•x{ y y n s 4r v r . : } ♦� �n n <br /> Roux Associates Y Client Proj`ectll0 ` Arco X2093,`Tracy Sampled V Aug 26, 1 093 <br />' # 1855 Gateway Blvd , Ste 770 Sample Matrix Soil Received Aug 26, 1993 <br /> Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported Sep 2, 1993 <br /> Attention Paul Supple First Sample# 308-1134 _ <br /> v wrcv v • t r ~ 1 h ti n r tt ♦ v Y <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with STEX DISTINCTION <br />' Reporting Sample Sample Sample <br /> Analyte Limit I D 11.13 I.D. <br /> mg/kg 308-1134 308-1135 308-1136 <br /> 1CA4(A-D) CA5(A-D) CS15(A-D) <br /> Purgeable <br /> Hydrocarbons 10 56 23 26 <br /> Benzene 0 005 012 0 014 0 071 <br /> 1 <br /> Toluene 0 005 0 12 0 034 Oil <br />' Ethyl Benzene 0 005 018 0 013 0 089 <br /> Total Xylenes 0 005 088 018 0 60 <br /> Chromatogram Pattern Gasoline Gasoline Gasoline <br />' Quality Control Data <br />' Report Limit Multiplication Factor 5 0 50 5 0 <br /> Date Analyzed 8/30/93 8/30/93 8/30/93 <br />' Instrument Identification HP-5 HP-5 HP-5 <br /> Surrogate Recovery, % 101 93 96 <br /> 1 (OC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> SEQUOIA NA YTICAL <br /> Kenneth K F Lee <br /> Laboratory Director <br />' 3081134 ROU <1> <br />