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Spargero Analytical Laboratory Division <br /> ' <br /> Moble Laboratory Division <br /> TechnologyInc Scientific Division <br /> With Automation In Mind <br /> II Quality Control <br /> A. Project Specific QC. No project specific QC (i e , spikes and/or <br /> duplicates) was requested <br /> B Method Blank Results. A method blank is a laboratory-generated <br /> sample which assesses the degree to which laboratory operations and <br /> 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 the <br /> ' Analytical Results section <br /> C. Laboratory Control Spike. A Laboratory Control Spike (LCS) is a <br /> sample which is spiked with known analyte concentrations, and analyzed <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 /> Duplicate Analysis Report <br /> D. Matrix Spike Results. A Matrix Spike is a sample which is spiked with <br /> known analyte concentrations, and analyzed at approximately 10% of the <br /> sample load in order to establish method-specific control limits The Matrix <br /> Spike results associated with your samples are on the attached Matrix <br /> 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 /> v <br /> III <br /> Analysis Results <br /> iResults are on the attached data sheets <br /> 3050 Fite Circle, Suite 112 + Sacramento California 95827 + (996) 362-8947 + FAX(996) 362-0947 <br />