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PRECISION(-) <br /> EAT RO-TECH <br /> Analytical Laboratory CERTIFICATE OFANALYSIS <br /> Friday,April 4, 2008 <br /> Attention: Guy W.Roy <br /> R&L Diesel Report Page 36 of 41 <br /> P.O.Box 2498 <br /> Danville, CA 94526 <br /> Volatile Organic Compounds by EPA Method 8260B-Quality Control <br /> Precision EnviroLTech <br /> ---Reporting –Spike aowce - %REC — RPD <br /> Analyte Result Limit Units level Result %REC Limits RPD Limit Notes <br /> Batch AC81102-Volatiles <br /> Blank(AC81102-BLK1) P4ared&Analyzed: 11-Mar-08 <br /> Acetone ND 100. ug/kg <br /> Benzene ND 2.00 " <br /> Bromobenzene ND 2.00 " <br /> Bromochloromethane ND 2.00 " <br /> Bromodichloromethane ND 2.00 " <br /> Bromoform ND 2.00 " <br /> Bromomethane ND 2.00 " <br /> 2-Butanone ND 20.0 " <br /> n-Butylbenzene ND 200 " <br /> sec-Butylbenzene ND 2.00 " <br /> tert-Butylbenzene ND 200 " <br /> Carbon disulfide ND 20.0 " <br /> Carbon tetrachloride ND 2.00 " <br /> Chlorobenzene ND 2.00 " <br /> Chloroethane ND 20{1 <br /> 2-Chloroethytvinyl ether ND 20.0 " <br /> Chloroform ND 2.00 " <br /> Chloromethane ND 2.00 " <br /> 2-Chlorotoluene ND 2.00 " <br /> 4-Chlorotoluene ND 2.00 <br /> Dibromochloromethane ND 2.00 " <br /> 1,2-Dibromo-3-chloropropane ND 2.00 " <br /> 1,2-Dibromoethane(EDB) ND 2.00 " <br /> Dibromomethane ND 2.00 " <br /> 1,2-Dichlorobenzene ND 2.00 " <br /> 1,3-Dichlorobenzene ND 2.00 " <br /> 1,4-Dichlorobenzene ND 2.00 " <br /> Dichlorodifluoromethane ND 2.00 " <br /> 1,1-Dichloroethane ND 2.00 " <br /> 1,2-Dichloroethane ND 2.00 " <br /> 1,1-Dichloroethene ND : 2.00 " <br /> cis-1,2-Dichloroethene ND 2.00 " <br /> trans-1,2-Dichloroethene ND 2.00 " <br /> mg/L—milligrams per Liter=ppm DLR=Defection Limit forPurpose of Reporting. <br /> ug,E—micrograms per Liter=ppb Exceptional sample matrices or interferences may <br /> result in hrgher detecrioW Limits. <br /> RESPECTFULLY SUBMITTED, <br /> r <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 phone: (209) 47� -8105 Fax: (209) 546-7497 <br /> --1 <br />