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<br /> <br /> <br /> <br /> <br /> <br />Ll <br /> <br /> <br /> <br /> <br /> <br /> <br />1 <br /> <br /> <br /> <br /> <br /> <br />',~~' CORE LABORATORIES <br />Western Atlas <br />Interpatianal <br />•ow v... <br />T i T L F <br />ANALYTICAL CHEMISTRY DIVISION QUALITY ASSURANCE MANUAL I <br />OP N0. (REVISION N0. (EFFECTIVE DATE (PAGE <br />HC-QAC-02 <br />14.1 Raw Laboratory Data Review <br />All analysts are responsible for reviewing and validating the analytical and <br />quality control data they have generated. The following conditions must be <br />verified prior to entering data into LIMS. <br />• Appropriate analytical methodology was used, based on the sample matrix <br />and analyte concentration. <br />• Instrumentation was functioning properly during sample analysis. <br />• Quality control sample checks were analyzed at the proper frequency and <br />quality control sample checks met performance criteria requirements. <br />• Analysis was completed within the method-specified holding time. If <br />holding times were exceeded, immediately inform the approptiate laboratory <br />section supervisor. <br />• All analytes were quantitated within the calibration range (samples were <br />diluted into calibration range, if necessary). <br />• Matrix interference problems were verified. Corrective actin (reanalysis, <br />dilution, matrix modifiers, etc.) was taken to minimize or eliminate the <br />interference, where possible. <br />• Method specific analytical requirements were achieved ly-intercept values, <br />correlation coefficient values, surrogate recoveries, etc.). <br />• Calculations, dilution factors, and detection limits have been verified. <br />If any of the requirements listed above (or method-specified requirements) <br />were not met, do not enter this data into LIMS. Instead, immediately inform <br />the appropriate laboratory section supervisor. The laborartory section <br />supervisor will then determine what corrective action is required. <br />14.2 LIMS Data Entry Requirements <br />