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ANALYTICAL RESULT <br />-•.• • •••,,,•.•••, <br />onathan Hao V. Le, Laboratory Director <br />CC: <br />E FULL <br />Method <br />EPA 300 <br /> DLR <br />EPA 300 1 <br />EPA 6010B 0.02 <br />EPA 6010B 0.02 <br />EPA 60108 0.02 <br />[Test Parameter <br />LSulfate (SO4) <br />Sulfur <br />Dissolved Copper (Cu) <br />Dissolved Nickel (Ni) <br />. Dissolved Vanadium (V) <br />(E)FREK05110INI <br />IMNIVDMo-Tccrll <br />Ars.Wytical Labtor,atcoiry <br />TO: <br />Metropolitan Stevedore Corn <br />P.O.Box 986 <br />Stockton CA 95201 <br />CERTIFICATE OF ANALYSIS <br />Monday, July 21, 2003 <br />General Inorganic Chemistry <br />Sample Information <br />Sample ID: 22828-04A <br />Sample Type: Grab <br />Sample Description: MW -2 <br />Project Name: Monitoring Well <br />Date/Time Sampled: 6/23/2003 2:45:00 PM <br />Sample Matrix: Ground Water <br /> <br />Unit Result <br /> <br />mg/L 1780 <br /> <br />mg/L 587 <br /> <br />mg/L ND <br /> <br />mg/L 0.4 <br /> <br />mg/L ND <br />mg/L = milligrams per Liter = ppm <br />ug/L = micrograms per Liter = ppb <br /> <br />C = Composite G = Grab <br />LCS Spike <br />Blank Conc. LCS% <br />MS Spike <br />Conc. MS% MSD RSD <br />ND 11 96.8% 50 96.8% 97.2% 0.1% <br />ND 35 94.3% 100 95.0% 101.0% 1.5% <br />ND 1 103.0% 0.25 104.0% 102.0% 0.5% <br />ND 1 105.0% 0.25 101.8% 98.2% 0.9% <br />ND 1 106.0% 0.25 105.6% 106.4% 0.2% <br />RSD- represent relative percent different (RPD) between duplicates spike of samples <br />or Duplicate of Sample <br />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 />DLR- Detection Limit for the Purpose of Reporting Exceptional sample <br />matrices or interfereneces may result in higher detection limits <br />QA/QC REPORT <br />Date <br />Analyzed <br />24-Jun-03 <br />25-Jun-03 <br />25-Jun-03 <br />25-Jun-03 <br />25-Jun-03 <br />EPA-Envirc if Protection Agency Method. SM-Standard Method for Examination of <br /> <br />Wastewater 18th Ed <br />page 1 of!