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L �J <br />March 21, 2003 Lab ID : STK331144 <br />Advanced Interconnect Tech. Customer : 3-3147 <br />Quality Control - Inorganic <br />Constituent <br />Method <br />Date/ED <br />Type <br />Units <br />Conc. <br />QC Data <br />DQO <br />Note <br />Metals <br />Nickel <br />200.7 <br />03/13/2003:C <br />07 -CCH <br />mg/L <br />ND <br />< 0.01 <br />07-CCV <br />mg/L <br />1.000 <br />99.2% <br />90-L -110 10 <br />08 -CCB <br />mg/L <br />ND <br /><0.01 <br />OS-CCV <br />mg/L <br />1.000 <br />99.7% <br />90-II0 <br />Silver <br />3010A <br />03/10/2003:A207 <br />Blank <br />mg/L <br />ND <br /><0.01 <br />LCS <br />mg/L <br />0.8000 <br />104% <br />85-115 <br />PDS <br />mg/L <br />0.8000 <br />105% <br />75-125 <br />MS <br />mg/L <br />0.8000 <br />104% <br />75-125 <br />(SP 302161-01) <br />MSD <br />mg/L <br />0.8000 <br />93.7% <br />75-125 <br />MSRPD <br />mg/L <br />10.1% <br />520.0 <br />200.7 <br />03/13/2003:C <br />07 -CCB <br />mg/L <br />ND <br /><O.OI <br />()7-CCV <br />mg/L <br />1.000 <br />102% <br />90-110 <br />08 -CCB <br />mg/L <br />ND <br /><0.01 <br />08-CCV <br />mg/L <br />1.000 <br />102% <br />90-110 <br />Zinc <br />3010A <br />03/10/2003:A207 <br />Blank <br />mg/L <br />ND <br /><0.02 <br />LCS <br />mg/L <br />0.8000 <br />107% <br />85.115 <br />PDS <br />mg/L <br />0.8000 <br />106% <br />75-125 <br />MS <br />mg/L <br />0.8000 <br />105% <br />75-125 <br />(SP 302161-01) <br />MSD <br />mg/L <br />0.8000 <br />104% <br />75-125 <br />MSRPD <br />mg/L <br />1.1% <br />520.0 <br />200.7 <br />03/13/2003:C <br />07 -CCB <br />mg/L <br />ND <br /><0.02 <br />07-CCV <br />mg/L <br />0.5000 <br />101% <br />90-110 <br />08 -CCB <br />mg/L <br />ND <br /><0.02 <br />08-CCV <br />mg/L <br />0.5000 <br />101% <br />90-110 <br />Wet Chem <br />Cyanide. Total <br />45DOCNCE <br />03/18/2003:A210 <br />Blank <br />mg/L <br />ND <br /><0.01 <br />LCS <br />mg/L <br />0.1000 <br />99.8% <br />91-116 <br />MS <br />mg/L <br />0.05000 <br />84.7% <br />64-122 <br />(SP 302269-02) <br />MSD <br />mg/L <br />0.05000 <br />82.6% <br />64.122 <br />MSRPD <br />mg/L <br />0.0010 <br />50.0100 <br />Cyanide <br />450OCNCE <br />03/19/2003:B <br />00 -CCB <br />mg/LND <br /><O.OI <br />00-CCV <br />mg/L <br />O.I000 <br />101% <br />90-110 <br />01 -CCE <br />mg/L <br />ND <br /><0.01 <br />0I-CCV <br />mg/L <br />0.1000 <br />I00% <br />90-110 <br />Definitions <br />Blank Method Blank - Prepared to verify that the preparation process is not contributing contamination to the samples. <br />LCS Laboratory Control Standard/Sample - Prepared to verify that the preparation process is not affecting analyte <br />recovery. <br />PDS Post Digestion Spike (ICP/GFAA) <br />MS/MSD Matrix Spikes - A random sample is spiked with a known amount of analyte. The recoveries are an indication o <br />how that sample matrix affects analyte recovery. <br />CCB : Continuing Calibration Blank - Analyzed to verify the instrument baseline is within criteria. <br />CCV Continuing Calibration Verification - Analyzed to verify the instrument calibration is within criteria. <br />ND Non -detect - Result was below the DQO listed for the analyte. <br />DQO Dam Quality Objective - This is the criteria against which the quality control data is compared. <br />STK331144: Quality Control Page 2 <br />