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�• I <br /> Spargero <br /> Analytical Laboratory Division <br /> Technologyinc. Mobile Laboratory Division With Automation in Mind Scientific Division <br /> II <br /> 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 /> C.01 <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 the other analyses for your samples are on <br /> the attached 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 /> 4 <br /> 3050 Fite Circle, Suite 112 • Sacramento, Califomio 95827 • (996) 362-8947 • FAX(996) 362-0947 <br />