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PRECISION <br /> ENVIRO-TECH <br /> Analytical Lahor-atory <br /> CERTIFICATE OF ANALYSIS <br /> I <br /> = Tuesday,May 31,2005 <br /> Attention: Doug Heard <br /> Kleinfelder,Inc. Report Poge 5 of 14 <br /> 2825 Myrtle St. <br /> Stockton, CA 95205 <br /> Organochlorine Pesticides by EPA Method 8081A <br /> Sample Information <br /> Sample ID: 31172-S3 Sample Type: Grab <br /> Laboratory ID: 5051807-03 Project Name: 55568 <br /> DatelTime Sampled: 17-May-05 13:15 by Ryan 6586 Sample Matrix: Soil <br /> Test Parameter Result DLR Unit Dilution Batch Prepared Analysis Dale Method Notes <br /> Aldrin NO 1.70 ug/kg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> r alpha-BHC NO 3.30 ug/kg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> beta-BHC NO 3.30 ug/kg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> X <br /> I delta-BHC NO 3.30 uglkg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> gamma-BHC(Lindane) NO 1.70 uglkg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> Chlordane(tech) NO 33.0 uglkg 1 AE53114 18-May-05 31-May-05 EPA 8061A <br /> t 4,4'-DDD NO 3.30 ug/kg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> 4,4"-DDE NO 3.30 uglkg 1 A553114 18-May-05 31-May-05 EPA 8081A <br /> 4,4"-DDT NO 3.30 uglkg 1 AE53114 18-May-05 31-May-05 EPA 80B1A <br /> Dieldrin NO 3.30 uglkg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> Endosulfan I NO 1.70 ug/kg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> Endosulfan II NO 3.30 uglkg 1 AE53114 18-May-05 31-May-05 EPA 8081A . <br /> i Endosulfan sulfate NO 3.30 ug/kg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> '-' Endrin NO 1.70 ug/kg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> Endrin aldehyde ND 6.60 ug/kg 1 AE53114 1B-May-05 31-May-05 EPA 8081A <br /> } Heptachlor NO 1.70 ug/kg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> i L heptachlor epoxide NO 1.70 ug/kg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> Methoxychlor NO 6.60 ug/kg 1 AE53114 18-May-05 31-May-05 EPA 8081A <br /> r Toxaphene NO 66.0 ug/kg 1 AE63114 18-May-05 31-May-05 EPA 8081A <br /> Surrogate:Decachlorobiphenyl(DCB) 87% 23-157 <br /> k <br /> — wg2=,,,i!ligrwn,e per Liter=ypn, DLR=Delectian!.twit far Po,jxise nfRefnriing, <br /> --g—f—Liter=ppb Erceyiinxa!emnNlr n,a+ncer ur inrerJercnces may <br /> _ msuli in higherdel"iian lirnas, <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le,Laboratory Director <br /> 77,43 N. Wesl Lane. .Suite E2 .S'lockton C.,'21. 95210 ohone: (209) 477-8105 Fax: (209) 4-7-8148 <br />