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Sequoia <br />a -) <br />Analytical <br />1455 McDowell Blvd. North, Ste. D <br />✓ Petaluma, CA x74954 <br />(707)792-1865 <br />FAX (707) 792-0342 <br />;ambria Environmental <br />Project: <br />TFD 4B-28 <br />Sampled: <br />11/2/99 <br />70 Perkins St. <br />Project Number: <br />3011 West Benjamin Holt Dr. <br />Received: <br />11/3/99 <br />onoma, CA 95476 <br />Project Manager: <br />Bob Perlowski <br />Reported: <br />11/9/99 <br />Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M/8020M <br />Sequoia Analytical - Petaluma <br />Batch Date Date Surrogate Reporting <br />Analyte Number Prepared Analyzed Limits Limit Result Units Notes' <br />D1-1.0 <br />P911088-01 <br />Soil <br />Gasoline <br />9110086 <br />II/3/99 <br />11/4/99 <br />1.00 <br />ND <br />mg/kg <br />Benzene <br />0.00500 <br />ND <br />" <br />Toluene <br />0.00500 <br />ND <br />" <br />Ethylbenzene <br />0.00500 <br />ND <br />Xylenes (total) <br />0.00500 <br />ND <br />" <br />Methyl cert -butyl ether <br />0.0500 <br />ND <br />" <br />Surrogate: a,a,a-Triiluorotoluene <br />65.0-135 <br />101 <br />V, <br />Surrogate: 4-Bromofluorobenzene <br />65.0-135 <br />80.8 <br />" <br />D2-2.5 <br />P911088-02 <br />Soil <br />Gasoline <br />9110086 <br />11/3/99 <br />11/4/99 <br />190 <br />ND <br />mg/kg <br />Benzene <br />0.00500 <br />ND <br />" <br />Toluene <br />0.00500 <br />ND <br />" <br />Ethylbenzene <br />0.00500 <br />ND <br />" <br />Xylenes (total) <br />0.00500 <br />ND <br />Methyl tert-butyl ether <br />0.0500 <br />ND <br />" <br />Surrogate. a,a,a-Tris luorotoluene <br />65.0-135 <br />98.0 <br />Surrogate: 4-Bromofluorobenzene <br />65.0-135 <br />80.8 <br />" <br />D3-3.0 <br />P911088-03 <br />Soil <br />Gasoline <br />9110086 <br />II/3/99 <br />II/4/99 <br />1.00 <br />ND <br />mg/kg <br />Benzene <br />" <br />0.00500 <br />ND <br />" <br />Toluene <br />0.00500 <br />ND <br />" <br />Ethylbenzene <br />0.00500 <br />ND <br />" <br />Xylenes (total) <br />0.00500 <br />ND <br />" <br />Methyl tert-butyl ether <br />0.0500 <br />ND <br />" <br />Surrogate. a,a,a-Triuorotoluene <br />65.0-135 <br />108 <br />% <br />Surrogate: 4-Bromofluorobenzene <br />65.0-135 <br />91.7 <br />" <br />D4-3.0 <br />P911088-04 <br />Soil <br />Gasoline <br />9110086 <br />11/3/99 <br />11/4/99 <br />1.00 <br />ND <br />mg/kg <br />Benzene <br />" <br />" <br />0.00500 <br />ND <br />" <br />Toluene <br />.1 <br />0.00500 <br />ND <br />" <br />Ethylbenzene <br />0.00500 <br />ND <br />" <br />Xylenes (total) <br />0.00500 <br />ND <br />Methyl ten -butyl ether <br />0.0500 <br />ND <br />" <br />Surrogate: a,a.a-Triuorotoluene <br />65.0-135 <br />104 <br />"/„ <br />Surrogate: 4-Bromofluorobenzene <br />65.0-135 <br />86.8 <br />11 <br />D5.4.5 <br />P911088-05 <br />Soil <br />Gasoline <br />9110120 <br />11/4/99 <br />11/4/99 <br />1.00 <br />ND <br />mg/kg <br />Sequoia Analytical - Petaluma 'Refer to end of report jor cert of notes and definitions <br />Page 2 of 20 <br />