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CERTIFICATE OF ANALYSIS <br /> Ana/yt/ca/ La6o/�=ory Monday,December 24,2001 <br /> TO: William Little <br /> Advanced GeoEnvironmental <br /> 837 Shaw Road <br /> Stockton CA 95215 <br /> CAM 17-STLC-DI <br /> Sample Ltfortnation <br /> Sample ID: PE13165-2A Sample Type: Grab <br /> lSample Description: Piping# 1 Project Name: OCHOA PROPERTY <br /> Date/Time Sampled: 10/09/2001 1:15:00 PM Sample Matrix: Soil <br /> ANALYTICAL RESULT QA/QC REPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS% Conc. MS% MSD RSD <br /> Lead(Pb) EPA 6010 0.02 mg(L 0.16 30-Oct-01 ND 1 102.0% 1 100.9% 102.0% 0.3% I <br /> mg1L=milligrams per Liter=ppm RSD-represent relative percent different(RPD)between duplicates spike ofsamples <br /> uglL=micrograms per Liter=ppb or Duplicate of Sample <br /> RESPE FU TTED, <br /> C=Composite G=Grab MS/MSD-measure of the percent recovery efficiencies within the matrix <br /> LCS-measure of the percent recovery of the Laboratory Control Spike(LCS) <br /> r r DLR-Defection Limit for the Porpose of Reporting. Exceptional sample <br /> Jonathan Mao V. Le,Laboratory Director matrices or interferences may result in higher detection limits <br /> J <br /> EPA-Environmental Protection Agency Method. Page I of I <br /> SM-Standard Method for Examination of Water Wastewater 18th Ed. <br /> 545 E. Cleveland St. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br />