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Srger <br /> hno! <br /> Analytical Laboratory Division <br /> ylnc Mobile Laboratory Division <br /> With Automoticn in Mind Scientific Division <br /> II Quality Control <br /> �., A• Project Specific r <br /> r----C• No project specific QC (i.e., spikes and/or <br /> duplicates) was requested., <br /> B. Method Blank Results. A method <br /> sample which assesses the degree towhich laboratorylank is a ltoo erations d <br /> and <br /> L procedures cause false-positive analytical results for your sample. <br /> No target parameters were detected in the method blank associated with <br /> Your sample at the reporting limit levels noted on the data sheets in <br /> Analytical Results section. the <br /> C. Laboratory Control Spike. <br /> sample which is spiked with known analyte concentrations,nt at onsory Control p ndike (analyzed <br /> ) is a <br /> at approximately 10% of the sample load in order to establish method- <br /> specific control limits. The LCS results associated with your samples are <br /> on the attached Laboratory Control Spike and Laboratory Control Spike <br /> r Duplicate Analysis Report. <br /> D. Matrix Spike Results. A Matrix Spike is a sample which is s iked ' <br /> known analyte concentrations, and analyzed at approximately 10% of hIe <br /> L sample load in order to establish method-specific control limits. The <br /> Matrix Spike results associated with your samples are on the attached <br /> L Matrix Spike and Matrix Spike Duplicate Analysis Report. <br /> Accuracy is measured by Percent Recovery as in: <br /> % recovery = (measured concentration) x 100 <br /> (actual concentration) <br /> III Analysis Results <br /> results are on the attached data sheets. <br /> .3-50 Fite Circle, Sulu 112 • ,5�7^r tm� t i` rF :� <br />