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Spargero Analytical Laboratory Dmsion <br /> Mobile Laboratory ry <br /> DurstonI* Technok)gylnc <br /> Scientfic Division <br /> ' With Automation in Mind <br /> 1 <br /> ' 111 Quali1y 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 <br /> Matrix Spike results associated with your samples are on the attached <br /> ' 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 /> ' 1V Analysis Results <br /> Results are on the attached data sheets. <br />' 3 50 Fite Circle Suite 112 • Sacramento Colifornio 95827 • (976) 362-6947 • FAX (996) 362-0947 <br />