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' PRECISIOl0 i <br /> ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OFANALYSIS <br /> Tuesday,July 12, 2005 <br /> ' Attention: Doug Heard <br /> Kleinfelder, Inc. Report Page 51 of 103 <br /> 2825 Myrtle St. <br /> Stockton, CA 95205 <br /> ' Volatile Organic Compounds by EPA Method 82606 <br /> Sample Information <br /> ' Sample ID: 31979 P6- 15 ' Sample Type: Grab <br /> Laboratory ID: 5070608-12 Project Name: 99 Speedway <br /> Date/Time Sampled: 05-Jul-05 00:00 by Doug Heard Sample Matrix. Soil <br /> Test Parameter Result DLR Unit Dilution Batch Prepared Analysis Date Method Notes <br /> Acetone ND 100 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <br /> ' tert-Butyl Acohol(TBA) ND 50.0 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <br /> Methyl tert-butyl Ether(MtBE) ND 5.00 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <br /> Diisopropyl Ether(DIPE) ND 5.00 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <br /> Ethyl tert-Butyl Ether(ETBE) ND 5.00 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <br /> ' tert-Amyl Methyl Ether(TAME) ND 5.00 ug/kg 1 AG50802 08-Jul-05 08-Jul-05 EPA 8260B <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 102% 80-120 <br /> Surrogate:Toluene-d8 98% 81-117 <br /> Surrogate:4-Bromofluorobenzene 99% 74-121 <br /> ' mgT=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 detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> (�5/Otr� <br /> ' Jonathan Le,Laboratory Director <br /> 7743 N. West Lane . Suite B2 Stockton CA. 95210 phone: (209) 477-8105 Fax: (209) 477-8148 <br />