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<br /> <br /> j,~ CORE LABORATORIES <br />' Western AUas <br /> International <br /> .,....ate. ~... <br /> <br />' riilE <br /> ANALYTICAL CHEMISTRY DIVISION QUALITY ASSURANCE MANUAL <br />' SOP N0. REVISION N0. EFFECTIVE DATE PAGE <br /> HC-QAC-02 0 1/06/92 87 of 104 <br /> <br /> Units must be entered correctly (mg/L vs. mg/Kg, etc.) according to the <br /> sample matrix. Verify and change units in LIMS, if necessary, during data <br /> entry. <br /> Date/Time Analvzed <br /> Date-analyzed values which are entered in LIMS must accurately reflect the <br /> actual date of sample analysis. Enter the date and time when the analysis <br /> began, not the ending date and time. <br />' Multiple QA numbers with different date/time analyzed values are necessary <br /> to correctly enter a large group of samples processed over several days (i.e., <br /> a single job which was processed in several different analytical batches). <br /> li <br />i <br />Q <br />A <br />R <br /> ssurance <br />rements <br />ua <br />ty <br />equ <br />' Quality assurance data which is associated with an analytical batch must be <br /> entered into LIMS along with analytical results. If the quality contro{ sample <br /> checks are out of control and cannot be entered in LIMS (password override <br />t is required), analysts must immediately contact the appropdiate laboratory <br /> section supervisor or the QA/QC coordinator for data validation. <br />' 14.3 Data Review And Validation Process <br /> Group leaders and supervisors are responsible for verifying the analytical and <br />quality control data generated in their laboratory section. The following items <br /> must be reviewed and validated before releasing the data for final reporting. <br />' • Assure that the analytical method requirements were met during sample <br /> analysis. <br />' • Verify that the analytical methodology which was used met the client's and <br /> regulatory requirements. <br />' • Verify that quality control sample checks were analyzed at the proper <br /> frequency and that quality control sample performance criteria were met. <br /> <br /> <br />