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LD Sequoia <br />Aw Analytical <br />1455 McDowell Blvd. North, Ste. D <br />Petaluma, CA94954 <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 />NO Perkins St. <br />Project Number: <br />3011 West Benjamin Holt Dr. <br />Received: <br />11/3/99 <br />ionoma, 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 />D9-3.0 (continued) <br />P911088-09 <br />Soil <br />Toluene <br />9110120 <br />II/4/99 <br />I1/4/99 <br />0.00500 <br />ND <br />mg/kg <br />Ethylbenzene <br />" <br />0.00500 <br />ND <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-Tris luorotoluene <br />65.0-135 <br />112 <br />`% <br />Surrogate. 4-Bromofluorobenzene <br />65.0-135 <br />90.7 <br />IF <br />D10-3.0 <br />P911088-10 <br />Soil <br />Gasoline <br />9110120 <br />11/4/99 <br />11/4/99 <br />1.00 <br />ND <br />mg/kg <br />Benzene <br />I <br />10.00500 <br />ND <br />" <br />Toluene <br />10.00500 <br />ND <br />" <br />Ethylbenzene <br />" <br />IF <br />" <br />0.00500 <br />ND <br />" <br />Xylenes (total) <br />" <br />IF <br />" <br />0.00500 <br />ND <br />" <br />Methyl tert-butyl ether <br />IF <br />" <br />IF <br />0.0500 <br />ND <br />" <br />Surrogate: a,a,a-Triiluorotaluene <br />65.0-135 <br />107 <br />% <br />Surrogate: 4-Bromofluorobenzene <br />IF <br />" <br />65.0-135 <br />86.8 <br />" <br />Como of SP1 -(A -D) <br />P911088-15 <br />Soil <br />Gasoline <br />9110120 <br />II/4/99 <br />II/4/99 <br />1.00 <br />ND <br />mg/kg <br />Benzene <br />IF <br />0.00500 <br />ND <br />" <br />Toluene <br />1" <br />" <br />0.00500 <br />ND <br />" <br />Ethylbenzene <br />" <br />" <br />IF <br />0.00500 <br />ND <br />IF <br />Xylenes (total) <br />It <br />" <br />" <br />0.00500 <br />ND <br />IF <br />Methyl tert-butyl ether <br />" <br />IF <br />IF <br />0.0500 <br />ND <br />" <br />Surrogate. a,a,a-Triuorotoluene <br />65.0-135 <br />106 <br />Y. <br />Surrogate. 4-Bromofluorobenzene <br />" <br />" 65.0-135 <br />84.8 <br />to <br />Como of SP2-(A-D) <br />P911088-20 <br />Soil <br />Gasoline <br />9110120 <br />I1/4/99 <br />11/4/99 <br />1.00 <br />ND <br />mg/kg <br />Benzene <br />IF <br />" <br />IF <br />0.00500 <br />ND <br />IF <br />Toluene <br />IF <br />IF <br />0.00500 <br />ND <br />" <br />Ethylbenzene <br />IF <br />IF <br />0.00500 <br />ND <br />" <br />Xylenes (total) <br />10.00500 <br />ND <br />" <br />Methyl tert-butyl ether <br />0.0500 <br />ND <br />" <br />Surrogate: a,a,a-TriJluorotoluene <br />65.0-135 <br />1/1 <br />% <br />Surrogate: 4-Bromofluorobenzene <br />65.0-135 <br />87.7 <br />" <br />Sequoia Analytical - Petaluma *Refer to end ofreport for text of notes and definuions. <br />Page 4 of 20 <br />�t� <br />