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00 PRECISION <br /> ENVIRO-TECH <br /> t nCt/ticl7/Laht7>Natrll l 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 22 of 39 <br /> Stockton, CA 95205 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sample Information <br /> Sample ID: 34753-E-SW Sample Type: Grab <br /> Laboratory ID: 5041107-04 Project Name: SJRTD <br /> Date/Time Sampled. 11-Apr-05 11:40 by Francis X.Bean Sample Matrix: Soil <br /> Test Parameter Result DLR Unit Dilution Balch 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 82608 <br /> Trichlorofluoromethane ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> 1,2,3-Trichloropropane ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> 1,3,5-Trimethylbenzene ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 82608 <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 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(DIPS) ND 2.00 ug/kg 1 AD51110 11-Apr-05 11-Apr-05 EPA 8260B <br /> Surrogate:Dibromofluoromethane 102% 86-118 <br /> Surrogate.,Toluene-d8 99% 88-110 <br /> Surrogate:4-Bromoiluorobenzene 101% 86-115 <br /> mg L=milligrams per Liter=ppm DLR=Detection Limttfor purpose ofReporfing. <br /> ug,L=micrograms per Liter=ppb Exceptional sample matrices or interferences nmy <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le,Laboratory Director <br /> 7743 N. /Fest Lane. Suite B2 Stockton CA. 95210 phone: (209) 47'-8105 Fax: (209) 477-8148 <br />