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3 <br /> SParger . <br /> v—Lh� <br /> Analytical Laborato Di <br /> Vision Mobile �' nasion <br /> w,th Automation inM�ngylnc. <br /> Laboratory Division <br /> Scientific Division <br /> II Quality Control <br /> A. <br /> Prosect Specific QC, No project specific QC (i.e., s <br /> r duplicates) was requested. spikes and/or <br /> L B. <br /> Method BlankResults. A method blank is a laboratory-generated <br /> sample which assesses the degree to which laboratory <br /> C, procedures cause false-positiverY perp#ion <br /> analytical results for your sample. and <br /> No target parameters were detected in the method blank ank associated with <br /> Your sample at the reporting g limit levels noted on the data sheets in the <br /> Analytical Results section. <br /> �,'✓ C. Laboratory Control <br /> SNike, A Laboratory Control Spike (LCS) is a <br /> sample which is spiked with known analyte concentrations, and <br /> L <br /> at approximately 10% of the sample load in order to establis analyzed <br /> ethod- <br /> specific control limits. The LCS results associated with yoursamples are <br /> on the attached Laboratory Control Spike and Laboratory Control Spike <br /> L Duplicate Analysis Report. <br /> D. MatrixS ike Results. <br /> A Matrix Spike is a sample which is spiked with <br /> L known analyte concentrations, and anal <br /> yzed at sample load.in order to establish method-specific pco ttrol lim .proximately1 The f the <br /> Matrix Spike results associated with your samples are on the attar <br /> Matrix Spike and Matrix Spike Duplicate-Aha Report <br /> Anal hed <br /> .. _ <br /> Accuracy is measured by Percent Recovery as in: <br /> %o recovery =(_measured concentration) x 100 <br /> L (actual concentration) <br /> III Analysis Result <br /> U.esults are on the attached data sheets. <br /> L <br /> '.50 Fite Circle ,S iir. i e - <br />