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40 PRECISION <br /> ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OFANAL YSIS <br /> Monday,June 2, 2008 <br /> Attention: Ryan Matthews <br /> Diamond Pet Foods <br /> 250 East Roth Road Report Page 9 of 13 <br /> Lathrop, CA 95330 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch AE80705-Volatiles <br /> Blank(AE80705-BLKI) __ __ Prepared&Analyzed,07-May-08 <br /> 1,2-Dichloro ro ane __-- -- -- ---- - - <br /> P P ND 0.500 ug/1 <br /> 1,3-Dichloropropene ND 0.500 " <br /> 2,2-Dichloropropane ND 0.500 " <br /> 1,1-Dichloropropene ND 0.500 " <br /> cis-1,3-Dichloropropene ND 0.500 " <br /> trans-1,3-Dichloropropene ND 0.500 " <br /> Ethylbenzene ND 0.500 " <br /> Freon 113 ND 0.500 " <br /> Hexachlorobutadiene ND 0.500 " <br /> 2-Hexanone ND 50.0 " <br /> Isopropylbenzene ND 0.500 " <br /> p-Isopropyltoluene ND 0.500 " <br /> Methylene chloride ND 0.500 " <br /> 4-Methyl-2-pentanone ND 10.0 " <br /> Naphthalene ND 0.500 " <br /> n-Propylbenzene ND 0.500 " <br /> Styrene ND 0.500 " <br /> 1,1,2,2-Tetrachloroethane ND 0.500 " <br /> 1,1,1,2-Tetrachloroethane ND 0.500 " <br /> Tetrachloroethene ND 0.500 " <br /> Toluene ND 0.500 " <br /> 1,2,3-Trichlorobemmne ND 0.500 " <br /> 1,2,4-Trichlorobenzene ND 0.500 " <br /> 1,1,2-Trichloroethane ND 0.500 " <br /> 1,1,1-Trichloroethane ND 0.500 " <br /> Trichloroethene ND 0.500 " <br /> Trichlorofluoromethane ND 0.500 " <br /> 1,2,3-Trichloropropane ND 0.500 " <br /> 1,3,5-Trimethylbenzene ND 0.500 " <br /> 1,2,4-Trimethylbemmne - ND 0.500 " <br /> Vinyl acetate ND 20.0 " <br /> Vinyl chloride ND 0.500 " <br /> Methyl ten-butyl Ether(MtBE) ND 0.500 <br /> mg/L=milligrams per Liter-ppm DLR=Detection Limit for Purpose of Reporting. <br /> ael microgroms per Liter-ppb Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le, Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 phone: (209) 477-8105 Fax: (209) 546-7497 <br />