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1455 McDowell Blvd North,Ste D <br /> Sequoia Petaluma CA 94954 <br /> (707) 792-0865 <br /> Analytical <br /> FAX (707) 792-0342 <br /> a 11;nvironmental Consultants Project Exxon Sampled 8126199 to 8127199 <br /> 164 Gold Camp Dr, Suite 200 Project Number 7-0137/D099-865 Received 8/30199 <br /> ancho Cordova,CA 95670 Project Manager Jim Brownell Reported 9115199 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M/8020M/Quality Control <br /> Sequoia Analytical-Petaluma <br /> Date Spike Sample QC Reporting Lirrnt Recov RPD RPD <br /> nalyte Analyzed Level Result Result Units Recov Limits % Lrrrut % Notes* <br /> Batch 9080689 Date Prepared 8130/99 Extraction Method EPA 5030 soils <br /> ta <br /> ank 9080689-BLK1 <br /> solme 8/30/99 ND mg/kg 0400 <br /> nzene ND 000200 <br /> Toluene ND 000200 <br /> thylbenzene ND 000200 <br /> ylenes(total) " _ _ ND 000400 <br /> Surrogate a a,a-Trifluorotoluene �" 0 300 0 332 to 650-135 111 <br /> (rrogate 4-Bromofluorobenzene 110 300 0 282 to650-135 940 <br /> lank 9080689-BLK2 <br /> Gasoline 9/2/99 ND mg/kg 0 400 <br /> lasolme ND 0 400 <br /> enzene ND 000200 <br /> enzene ND 000200 <br /> Toluene ND 000200 <br /> 10ne ND 000200 <br /> b"Izene ND 000200 <br /> Ethylbenzene ND 000200 <br /> Iylenes(total) " ND '1 000400 <br /> ylenes(total) ND 000400 <br /> I-ethyl-tert-buty-l-ether _ _ ND 00100 <br /> Surrogate a a a-Trifluorotoluene _ 0 300 0 328 650-135 109 i <br /> rrogate a a a-TriflUorotoluene 0 300 0 328 650-135 109 <br /> Irrogate <br /> 4-Bromofluorobenzene 0 300 0 296 650-135 98 7 <br /> Surrogate 4-Bromofluorobenzene 0 300 0 296 650-135 987 <br /> 2's, <br /> S 9080689-BSI <br /> enzene 8130199 0200 0204 mg/kg 650-135 102 <br /> toluene 0200 0200 650-135 100 <br /> lthylbenzene 0200 0 195 650-135 97 5 <br /> ylenes(total) 0 600 0 645 650-135 107 <br /> urrogate a a a-Trrfluorotoluene 0 300 0 311 650-135 104 <br /> 9080689-BS2 <br /> te—,Szene 9/2/99 0200 0 182 mg/kg 650-135 91 0 <br /> Benzene 0200 0 182 650-135 91 0 <br /> Itluene 0200 0 181 650-135 905 <br /> luene 0200 0 181 650-135 905 <br /> hylbenzene 0200 0 180 650-135 900 <br /> Ethylbenzene 0200 0 180 650-135 900 <br /> ly lenes(total) 0 600 0 592 650-135 987 <br /> is Analytical-Petaluma 'Refer to end ofreport for text ofnotes and definitions <br /> Page 12 of 20 <br />