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PRECISION <br /> ENVIRO-TECH <br /> Anul)ltieal Lahorator�)l <br /> - CERTIFICATE OF ANALYSIS <br /> Tuesday,April 12,2005 <br /> Attention: Francis X. Bean <br /> Kleinfelder,Inc. <br /> 2825 East Myrtle Street Report Page 4of39 <br /> Stockton, CA 95205 <br /> Volatile Organic Compounds by EPA Method 82608 <br /> Sample Information <br /> Sample ID: 34750-E-B Sample Type: Grab <br /> Laboratory ID: 5041107-01 Project Name: SJRTD <br /> Date/Time Sampled: 11-Apr-05 11:18 by Francis X.Bean Sample Matrix: Soil <br /> Test Parameter Result DLR Unit Dilution Batch Prepared Analysis Date Method Notes <br /> 1,11-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 8260B <br /> 1,2,3-Tdchloropropane ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 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 tert-butyl Ether(MtBE) ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 82608 <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 g <br /> her(TAME) ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> tert-Butyl BA) ND 50.0 ug/kg 1 AD51110 11-Apr-O5 11-Apr-05 EPA 8260B <br /> DilsopropDIPE) ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> Surrogate:Dibromofluoromethane 105% 86-118 <br /> Surrogate.,Toluene-d8 102% 88-110 <br /> Surrogate:4-Bromot/uorobenzene 102% 86-115 <br /> mg1L=milligrams per Liter=ppm DLR=Defection 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 /> Jonathan Le,Laboratory Director <br /> 7743 N. West Lane. Suite B2 Stockton CA. 95210 phone: (209) 477-8105 Fax: (209) 477-8148 <br />