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SEQUOIA ANALYTICAL R 7,- ; <br /> 1900 Bates Avenue • Suite LM • Concord,California 94520 �J <br /> (510) 686-9600 • FAX (510) 686-9689 <br /> 44}ik� 4 v v.MN 1-1 YtlM1.�xf..rvnti w:r rti Kr�w r Mv44 Yrt.Q1v14Y.vYry 11 4n.i•0 a",I <br /> r r4 . }{ <br /> oux Associates Client i�roieWTC� `` Arco�b93-9 =1' ' w "w Sampled Jul 29, 1993 <br /> '1855 Gateway Blvd , Ste 770 Sample Matrix Soil Received Jul 29, 1993 <br /> Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported Aug 10, 1993 <br /> <r Attention Paul $maple First Sample # 307-1296 _ <br /> U <br /> rr~S 1 xI - v K�rvhw r{ — I- , .nxi}Y <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> ' Reporting Sample Sample Sample Sample Sample <br /> Analyte Limit I D. I D I.D. I D. I.D. <br /> mg/kg 307-1296 307-1297 307-1298 307-1299 307-1300 <br /> L1 L2 L3 L4 L5 <br /> Purgeable <br />' Hydrocarbons 10 32 15 1,600 14 14 <br /> Benzene 0 005 0 050 0 085 12 015 016 <br /> Toluene 0 005 0 044 029 120 022 0 066 <br /> Ethyl Benzene 0 005 0 060 0 25 43 032 036 <br /> Tota)Xylenes 0 005 031 1 7 250 24 16 <br />'Chromatogram Pattern Gasoline Gasoline Gasoline Gasoline Gasoline <br /> 1 <br /> Quality Control Data <br /> Report Lima Multiplication Factor 10 so 500 50 5 0 <br /> Date Analyzed 8/4/93 8/3/93 8/4/93 8/3/93 8/3/93 <br /> Instrument Identification HP-2 HP-2 HP-2 HP-2 HP-2 <br /> Surrogate Recovery, % 112 100 110 102 102 <br /> (OC Limits = 70-130%) <br /> turgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> QUOTA N YTICAL <br /> tenneth K F Lee <br /> Laboratory Director <br />' 3071296 ROU <1> <br />