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mg/L = milligrams per Liter = ppm <br />ug/L = micrograms per Liter = ppb <br />C = Composite G = Grab PE TFUL ED, <br />onathan Hao V. Le, Laboratory Director <br />CC: <br />VREC(C,115[10IN <br />N ZIMno-Tr.cm <br />Analytical Lbcratcsry <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 Type: <br />Project Name: <br />Sample Matrix: <br />Grab <br />Monitoring Well <br />Ground Water <br />Sample ID: 22828-01A <br />Sample Description: MW - 1 <br />Date/Time Sampled: 6/23/2003 9:20:00 AM <br />.9,9'.4.00011{1.• <br />Sulfate (SO4) <br />Sulfur <br />Dissolved Copper (Cu) <br />Dissolved Nickel (Ni) <br />Dissolved Vanadium (V) <br />QA/QC REPORT <br />Date <br />‘Analyzed <br />LCS Spike <br />Blank Conc. LCS% <br />MS Spike <br />Conc. MS% MSD RSD <br />24-Jun-03 ND 11 96.8% 50 96.8% 97.2% 0.1% <br />ND 35 94.3% 100 95.0% 101.0% 1.5% 25-Jun-03 <br />25-Jun-03 ND 1 103.0% 025 104.0% 102.0% 0.5% <br />0.9% 25-Jun-03 ND 1 105.0% 0.25 101.8% 98.2% <br />0.25 105.6% 106.4% 0.2% 25-Jun-03 ND 1 106.0% <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 />ANALYTICAL RESULT <br /> <br />Test Parameter <br /> <br />Method DLR Unit Result <br />EPA 300 1 mg/L 597 <br />EPA 300 1 mg/L 197 <br />EPA 6010B 0.02 mg/L ND <br />EPA 6010B 0.02 mg/L ND <br />EPA 6010B 0.02 mg/L ND <br />,PV TAIerciournior 114th Fit <br /> Page 1 oil