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PRECISIOO 0 <br /> ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OFANALYS <br /> Tuesday,July 12, 200 <br /> Attention: Doug Heard <br /> Kleinfelder, Inc. Report Page 5 of <br /> 2825 Myrtle St. <br /> Stockton, CA 95205 ' <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sample Information ' <br /> Sample ID: 30052-HA4(3') Sample Type: Grab <br /> Laboratory ID: 5070716-09 Project Name: 99 Speedway , <br /> Date/Time Sampled: 07-Jul-05 13:15 by Clark 6238 Sample Matrix. Soil <br /> Test Parameter Result DLR Unit Dilution Batch Prepared Analysis Date Method Note <br /> Benzene ND 5.00 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <br /> Ethylbenzene ND 5.00 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <br /> Toluene ND 5.00 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <br /> m,p-Xylene ND 5.00 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <br /> o-Xylene ND 5.00 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <br /> Surrogate:Dibromofluoromethane 104% 80-120 <br /> Surrogate:Toluene-d8 97% 81-117 <br /> Surrogate:4-Bromofluorobenzene 100% 74-121 <br /> mg/L=milligrams per Liter=ppm DLR=Detection Limit for Purpose of Reporting. <br /> ug/L=micrograms per Liter=ppb Exceptional sample matrices or interferences may ' <br /> result in higher defection limits. <br /> RESPECTFULLY SUBMITTED, <br /> �J/041Z� <br /> 1 <br /> Jonathan Le,Laboratory Director , <br /> 7743 N. West Lane . Suite B2 Stockton CA. 95210 phone: (209) 477-8105 Fax: (209) 477-8148 <br />