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SparceAnalytical Laboratory ryDmsion <br /> 1 <br /> T <br /> �hnok)gylnc <br /> Mobile Laboratory Division <br /> Scientific Division <br /> �Vrm AUtCr�c�t�cr r ,",lend <br />' ll Quality Control <br /> A Pro ect 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 we parameters target g p re 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 /> M C Laboratory Control Spike A Laboratory Control Spike (LCS) is a <br /> 1 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 /> III Anal sis Results <br /> Results are on the attached data sheets <br /> -e2l + "-40, .:c2-3947 C (9 tc) 2c2_0947 <br />