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May 21, 2001 <br />Advanced Interconnect Tech. <br />Quality Control - Inorganic <br />Lab ID STK132118 <br />Customer : 3-3147 <br />Constituent <br />Method <br />Date/ID <br />Type <br />Units <br />Conc. <br />QC= <br />DQO <br />Note <br />Metals <br />Zinc <br />3010A <br />05/09/2001:A207 <br />MS <br />mg/L <br />0.8000 <br />93.8% <br />75-125 <br />(SP 103777-01) <br />MSD <br />mg/L <br />0.8000 <br />94.2% <br />75-125 <br />PDS <br />mg/L <br />0.8000 <br />99.4% <br />75-125 <br />MSRPD <br />mg/L <br />0.3% <br />520.0 <br />200.7 <br />05/10/2001:A <br />02 -CCB <br />mg/L <br />ND <br /><0.02 <br />02-CCV <br />mg/L <br />0.5000 <br />103% <br />90-110 <br />03 -CCB <br />mg/L <br />ND <br /><0.02 <br />03-CCV <br />mg/L <br />0.5000 <br />102% <br />90-110 <br />Wet Chem <br />Cyanide, Total <br />450OCNCE <br />05/14/2001:A210 <br />Blank <br />mg/L <br />ND <br /><0.01 <br />LCS <br />mg/L <br />0.1000 <br />113% <br />78-119 <br />Ms <br />mg/L <br />0.05000 <br />113% <br />8-123 <br />(SP 103721-02) <br />MSD <br />mg/L <br />0.05000 <br />102% <br />8-123 <br />MSRPD <br />mg/L <br />11.0% <br />59.0 <br />440 <br />Cyanide <br />450OCNCE <br />05/15/2001:A <br />00-CCBmg/L <br />ND <br /><0.01 <br />00-CCV <br />mg/L <br />0.1000 <br />94.7% <br />90-110 <br />01 -CCB <br />mg/L <br />ND <br /><0.01 <br />01-CCV <br />mg/L <br />0.1000 <br />98.6% <br />90-110 <br />Explanations <br />440 Sample <br />nonhomogeneity may be affecting this analyte. Data <br />was accepted <br />based on <br />the LCS or <br />CCV <br />rceuien <br />Definitions <br />Blank : <br />Method Blank - Prepared to verify that the preparation process is not <br />contributing <br />contamination to die samples. <br />LCS <br />Laboratory Control Standard/Sample - Prepared to <br />verify that the preparation process is not affecting analyte <br />recovery. <br />MS/MSD <br />Matrix Spikes - A random sample is spiked with <br />a known <br />amount of <br />analyte. <br />The recoveries are an indication o <br />how that sample matrix affects analyte recovery. <br />PDS <br />Post Digestion Spike (ICP/GFAA) <br />ICV <br />Initial Calibration Verification - Analyzed to verify <br />the instrument <br />calibration is within criteria. <br />ICB <br />Initial Calibration Blank - Analyzed to verify the <br />instrument baseline is <br />within criteria. <br />CCV <br />Continuing Calibration Verification - Analyzed to <br />verify the <br />instrument calibration is <br />within criteria. <br />CCB <br />Continuing Calibration Blank - Analyzed to verify <br />the instrument baseline is within <br />criteria. <br />ND <br />Non -detect - Result was below the DQO listed for the analyte. <br />DQO <br />Data Quality Objective - This is the criteria against which <br />the "utility <br />control data <br />is compared. <br />STK132118: Quality Control Page 5 <br />