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, <br /> PRECISION <br /> ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OF ANALYSIS <br /> Tuesday,April 19, 2005 <br /> Attention: Doug Heard <br /> Kleinfelder, Inc. Report Page 3of17 <br /> 2825 Myrtle St. <br /> Stockton, CA 95205 <br /> Polychlorinated Biphenyls by EPA Method 8082 <br /> Sample Information <br /> Sample ID: 27738-T2I-2 Sample Type: Grab <br /> Laboratory ID: 5041812-01 Project Name: SJRTD <br /> Date/Time Sampled. 15-Apr-05 00:00 by Francis X.Bean Sample Matrix: Soil <br /> Test Parameter Result DLR Unit Dilution Batch Prepared Analysis Date Method Notes <br /> PCB-1016 ND 33.0 ug/kg 1 AD51914 19-Apr-05 19-Apr-05 EPA 8082 <br /> PCB-1221 ND 33.0 ug/kg 1 AD51914 19-Apr-05 19-Apr-05 EPA 8082 <br /> PCB-1232 ND 33.0 ug/kg 1 AD51914 19-Apr-05 19-Apr-05 EPA 8082 <br /> PCB-1242 ND 33.0 ug/kg 1 AD51914 19-Apr-05 19-Apr-05 EPA 8082 <br /> PCB-1248 ND 33.0 ug/kg 1 A051914 19-Apr-05 19-Apr-05 EPA 8082 <br /> PCB-1254 ND 33.0 ug/kg 1 AD51914 19-Apr-05 19-Apr-05 EPA 8082 <br /> PCB-1260 ND 33.0 ug/kg 1 AD51914 19-Apr-05 19-Apr-05 EPA 8082 <br /> Surrogate:Decachlorobiphenyl(DCB) 89% 65-135 <br /> mgt=milligrams per Liter=ppm DLR=Detection Limitfor propose of Reporting. <br /> ug/L=micrograms per Liter-ppb Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le,Laboratory Director <br /> 7431V. West Law. Suite B2 Stockton C.4. 953.10 tthvrle: (209) 477-8105 Fax: (20.9) 4'7-8148 <br />