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PRECISION • <br /> fri ENWRO-TECH <br /> Analytical Laboratory <br /> CER TIFICA TE OF ANAL YSIS <br /> Tuesday,April 12,2005 <br /> Attention: Francis X. Bean <br /> Kleinfelder,Inc. <br /> 2825 East Myrtle Street Report Page 10 of 39 <br /> Stockton, CA 95205 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sample Information <br /> Sample ID: 34751 -E-NW Sample Type: Grab <br /> Laboratory ID: 5041107-02 Project Name: SJRTD <br /> Date/Time Sampled: 11-Apr-05 11:29 by Francis X.Bean Sample Matrix: Soil <br /> Test Parameter Result DLR Unit Dilution Batch Prepared Analysis Date Method Notes <br /> 1,1,1-Trichloroethane ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> Trichloroethene ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> Trichlorofluoromethane ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 82608 <br /> 1,2,3-T6chloropropane ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-O5 EPA 8260B <br /> 1,3,5-Tdmethylbenzene ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> 1,2,4-Tdmethylbenzene ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> Vinyl acetate ND 20.0 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> Vinyl chloride ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> Methyl tart-butyl Ether(MtSE) ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> Ethyl tert Butyl Ether(ETBE) ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> m,p-Xylene ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> o-Xylene ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> tert-Amyl Methyl Ether(TAME) ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> tert-Butyl Acohol(TBA) ND 50.0 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> Diisopropyl Ether(DIPE) ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 82606 <br /> Surrogate:DibromoHuoromethane 104% 86-118 <br /> Surrogate.Toluene-d8 100% 88-110 <br /> Surrogate:4-Bromotluorobenzene 102% 86-115 <br /> mgt=milligrams per Liter=ppm DLR=Detection Limit for Purpose of Reporting. <br /> uglL=micrograms per Liter=ppb Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> 4�j/Ow .--. <br /> Jonathan Le,Laboratory Director <br /> %431'4'. ffestLane. Suite B2 Stockton CA. 95210 Phone: (209) 47;-8105 Fax: (209) 477-8148 <br />