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` SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 — <br /> k7 (510) 686-9600 • FAX (510) 686-9689 <br /> kT�Z4}.v � I}+v nn vfq k~CvliG¢y,Tx��� vvr vv } vv v v ar}v nti ;k 1a f y}yG4 vvr{ r r v v <br /> ux Assoclate's Client F�roJectYiC A`r'coO =J -i Sampled Jul 28; 1663 <br /> i1855 Gateway Blvd , Ste 770 Sample Matrix Soil Received Jul 23, 1993 t <br /> Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported Jul 30, 1993 <br /> Attentlon Paul Simle First Sample # 307-1054 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit l.D I D. I.D. I D. I D. I D <br /> mg/kg 307-1054 307-1055 307-1056 307-1057 307-1058 307-1059 <br /> CS7(A-D) CS8(A-D) CS9(A-D) CS10(A-D) CS11(A-D) CS12(A-D) <br /> Purgeable <br /> Hydrocarbons 10 630 400 300 290 210 190 <br /> 1 <br /> Benzene 0 005 2 4 19 13 068 010 0 97 <br /> Toluene 0 005 35 16 53 2 0 2 6 14 <br /> Ethyl Benzene 0 005 77 33 4 7 2 0 2 6 0 91 <br /> IpTotal Xylenes 0 005 58 19 28 20 13 82 <br /> (Chromatogram Pattern Gasoline Gasoline Gasoline Gasoline Gasoline Gasoline <br /> Quality Control Data <br /> Report Lima Multiplication Factor 100 20 50 100 5 0 50 <br /> Date Analyzed 7/28/93 7/27/93 7/28/93 7/27/93 7/27/93 7/27/93 <br /> Instrument Identification HP-2 HP-4 HP-2 HP-4 HP-4 HP-4 <br /> Surrogate Recovery, % 111 100 106 91 100 93 <br /> (OC limas = 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 /> EQUOIA AN LYTICAL <br /> iKenneth K F Lee <br /> Laboratory Director <br /> 3071054 ROU <1> <br />