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i <br /> ©Anal n /ytica/ Laboratory CERTIFICATE OF ANALYSIS <br /> a <br /> TO: Curt Gibson Friday,November 03,1000 <br /> Automatic Switch Company <br /> 705 N. Carlton Ave. <br /> Stockton CA 95203 <br /> Trace Metals <br /> Sample Information <br /> Sample ID: PE9633-OIA Sample Type: Grab <br /> fle Description: Stage Two Project Name: 2413rs.Composite <br /> e/Time Sampled. 10/31/2000 12:10:00 PM Sample Matrix: Waste Water <br /> ANALYTICAL RESULT QA/QCREPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Cone. LCS% Cone. MS% MSD RSD <br /> Copper(Cu) EPA 200.7 0.02 mglL ND 02-Nov-00 ND 1 98.4% 1 103.0% 102.0% 0.2% <br /> Lead(Ph) EPA 200.7 0.01 mg/L ND 02-Nov-00 ND 1 98.6% 1 101.0% 99.4% 0.4% <br /> Nickel(Ni) EPA 200.7 0.02 mg/L 0.02 02-Nov-00 ND 1 98.5% 1 102.0% 99.1% 0.7% <br /> Silver(AU) EPA 200.7 0.01 mg/L ND 02-Nov-00 ND 1 105.0% 1 102.0% 101.0% 0.2% <br /> Zinc(Zn) EPA 200.7 0.02 m9tL - 0.10 02-Nov-00 ND 1 100.0% 1 100.0% 96.n% 1.0% <br /> Cadmium(Cd) EPA 200.7 0.01 mg/L ND 02-Nov-00 ND 1 98.8% 1 100.0% 97. % 0.6% <br /> Chromium(Cr) EPA 200.7 0.02 m9IL ND 02-Nov-00 ND 1 98.8% 1 101.0% -98, 1/6 0.5% <br /> m�nilligrams per Liter=ppm DLR-Detection Limit for the Purpose of Reporting. RSD-represent relative percent different(RPD)between duplicates spike of sanrp-S <br /> u ricrogrmm per Liter=ppb Exceptional sample nmtrices or interfereneces nmy result in or Duplicate of Sample <br /> C=Composite G=Grab higher detection limits MM/MSD-measure of the percent recovey efficiencies within are matrix <br /> LCS-measure of the percent recovery of the Laboratory Control Spike(L(S) <br /> RE, PE FUL Y ITTED, { <br /> Jonathan Hao V Le,Laboratory Director <br /> i <br /> 6..-entalW Protection Agency MethodPage L of I <br /> e/hod for Examination of Water 3astewmer 18th Ed. <br /> 545 E. Cleveland St. Suite A Stockton, CA 95204 TPI.: (2n91 aa9-nnn9 Fav- /onm ARO-70ga <br />