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SpargerO <br /> Analytical Laboratory Division <br /> Techobile Laboratory Division <br /> Inc.• Scientific Division <br /> Environmental Laboratones <br /> II Quality Control <br /> A. Project Specific QC. No project specific QC (i e , spikes and/or <br /> duplicates) was requested <br /> 1 B. Method Blank Results. A method blank is a laboratory-generated <br /> sample which assesses the degree to which laboratory operation and <br /> 1 procedures cause false-positive analytical results for your sample <br /> No target parameters were detected in the method blank associated <br /> with your sample at the reporting limit levels noted on the data sheets <br /> in the 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 <br /> analyzed at approximately 10% of the sample load in order to <br /> establish method specific control limits The LCS results associated <br />' with your samples are on the attached Laboratory Control Spike and <br /> Laboratory Control Spike Duplicate Analysis Resport <br /> D. Matrix Spnke Results. A Matrix Spike is a sample which is spiked <br /> with known analyte concentrations, and analyzed at approximately <br /> 10% of the sample load in order to establish method-specific control <br />' limits The Matrix Spike results associated with your samples are on <br /> the attached Matrix Spike and Matrix Spike Duplicate Analysis <br />' Report <br /> Accuracy is measured by Percent Recovery as in <br />' o <br /> /o recovery = (measured concentration) x 100 <br /> (actual concentration) <br /> III Analysis Results <br />' Results are on the attached data sheets <br /> i <br /> i <br />' 3050 Fite Circle, Suite 712 • Sacramento, Califomia 95827 • (916) 362-8947 • FAX (916) 362-0947 <br />