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' r er Analytical LaboratoryDivision <br /> peg � <br /> eehno Mobile Laboratory DrAslon <br />' Inc Scientific Division <br /> y <br /> With Automation in Mind <br /> li Quality Control <br /> A. Eroject Specific QC. No protect 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. LaboratoryContrQI 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 <br /> Matrix Spike results associated with your samples are on the attached <br /> tMatrix Spike and Matrix Spike Duplicate Analysis Report <br /> Accuracy is measured by Percent Recovery as in <br /> % recovery - concentration) <br /> ' (actual concentration) <br /> ' III Analysis Results <br /> Results are on the attached data sheets <br /> (91o) 362-89-;7 FAX (9I6) 362 09:i <br />