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PRECISION -"-) n <br /> ENVIRO-TECH <br /> Analytical Lahoratory CERTIFICATE OFANALYSIS <br /> Tuesday,March 13, 2007 <br /> Attention: G uy W.Roy <br /> R&L Diesel Report Page 11 of23 <br /> P.O.Box 2498 <br /> Danville, CA 94526 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sample Information <br /> Sample ID: Under Tank Sample Type: Grab <br /> Laboratory ID: 7022608-02 Project Name: UST-Waste Oil <br /> Date/Time Sampled: 26-Feb-07 00:00 by Guy W.Roy Sample Matrix: Soil <br /> Test Parameter Result DLR. Unit Dilution Batch Pr ared Analysis Date Method Notes <br /> 1,2-Dichloroethane ND 2.00 ug/kg 1 A1372708 27-Feb-07 27-Feb-07 EPA 8260B <br /> 1,1-Dichloroethene NO 2.00 ug/kg 1 AB72708 27-Feb-07 27-Feb-07 EPA 8260B <br /> cis-1,2-Dichloroethene ND 2.00 ug/kg 1 AB72708 27-Feb-07 27-Feb-07 EPA 8260B j <br /> trans-1,2-Dichloroethene NO 2.00 ug/kg 1 AB72708 27-Feb-07 27-Feb-07 EPA 8260B <br /> 1,2-Dichloropropane NO 2.00 ug/kg 1 872708 27-Feb-07 27-Feb-07 EPA 82608 <br /> 1,3-Dichloropropane NO 2.00. ug/kg 1 A B72708 27-Feb-07 27-Feb-07 EPA 8260E <br /> 2,2-Dichloropropane ND 2.00 ug/kg 1 A 872708 27-Feb-07 27-Feb-07 EPA 8260B <br /> 1,1-Dichloropropene NO 2.00 ug/kg 1 AB72708 27-Feb-07 27-Feb-07 EPA 8260B <br /> Cis-1,3-Dichloropropene ND 2.00 ug/kg 1 AB72708 27-Feb-07 27-Feb-07 EPA 82606 <br /> trans-1,3-Dichloropropene ND 2.00 , ug/kg 1 A872708 27-Feb-07 27-Feb-07 EPA 82606 <br /> Ethylbenzene .9:52,, 2.00 uglkg 1 A672708 27-Feb-07 27-Feb-07 EPA 82606 <br /> Freon 913 ND 2.00 ug/kg 1 A 372708 27-Feb-07 27-Feb-07 EPA 82606 <br /> Hexachlorobutadiene NO 2.00 ug/kg 1 A 372708 27-Feb-07 27-Feb-07 EPA 8260B <br /> 2-Hexanone NO 50.0 ug/kg 1 A 372708 27-Feb-07 27-Feb-07 EPA 8260E <br /> Isopropylbenzene 4.50 2.00 ug/kg 1 A72708 27-Feb-07 27-Feb-07 EPA 82606 <br /> p-Isopropyltoluene NO 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 8260B <br /> Methylene chloride NO 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 82606 <br /> 4-Methyl-2-pentanone NO 20.0 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 8260B <br /> Naphthalene NO 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 8260B <br /> n-Propylbenzene 10.0 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 82608 <br /> Styrene NO 2.00 ug/kg 1 Al <br /> 72708 27-Feb-07 27-Feb-07 EPA 8260B <br /> 1,1,2,2-Tetrachloroethane NO 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 8260B I <br /> 1,1,1,2-Tetrachloroethane NO 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 8260B <br /> Tetrachloroethene 19.3-,, 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 8260B ' <br /> Toluene &27.7aw 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 82606 <br /> 1,2,3-Trichlorobenzene NO 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 82601 <br /> 1,2,4-Trichlorobenzene NO 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 82606 <br /> 1,1,2-Trichloroethane NO 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 8260B <br /> 1.1,1,1-Trichloroethane NO 2.00 ug/kg 1 A 72708 27-Feb-07 27-Feb-07 EPA 8260B <br /> i <br /> mg,E—milligrams per Liter—ppm DLR—Detection Limit forPurpose of Reporting. <br /> ug/L=micrograms per Liter—pph Exceptional sample matrices or interferences may <br /> result ite higher detection limits. <br /> 1 <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 phone: (209) 4 7-8105 Fax: (209) 477-8148 <br />