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' CORE LABORATORIES <br />~ ~1~/~, <br />Western Atlas <br />International <br />. i.e..o.,.. ~. <br />11TLE ~~ <br />ANALYTICAL CHEMISTRY DIVISION QUALITY ASSURANCE MANUAL. <br />' SOP NO. REVISION NO. EFFECTIVE GATE PAGE <br />HC-QAC-02 0 1!06!92 90 of 104 <br />' If the requirements listed above were not met, document all corrective actions <br />taken and contact the client, if necessary. <br />14.6 Data Modification, Updates, And Traceability <br />' Analysts are required to record all raw laboratory data in the laboratory <br /> notebook (including initial analytical runs, reanalysis, dilutipns, etc.). When <br /> errors are detected, initial and date all error corrections, data modifications, <br /> and data updates on the raw laboratory data. It is advisalble to record the <br /> LIMS assigned QA number on all raw laboratory data. This QA number is <br /> used to reference both the analytical and associated quality assurance data <br />' in LIMS. <br /> During final report preparation, reporting personnel shall print the LIMS- <br />' generated analytical and quality assurance reports to do4~ument the data <br /> which was entered by the analysts. The following procedure is used by <br />' reporting personnel to document data modifications and updates. <br />~ Clearly mark or highlight any errors which are detected during the data <br />' review process. <br /> • Verify all questionable data with the analyst before changing data in LIMS. <br /> A review of the raw laboratory data (see section 14.1) mdy be required to <br /> confirm necessary changes. <br />' • Initial and date all data modifications on the original DIMS generated <br /> analytical and quality assurance reports. <br />' • The original reports containing data "as entered" and all highlighted <br /> modifications must be kept in the job file to provide an accurate record of <br /> all changes which have been made. <br />' <br /> 14.7 Corrective Action Process <br />' When non-conformances occur, analysts must immediat@ly inform the <br /> appropriate laboratory section supervisor. The laboratory section supervisor <br />' will then determine what corrective action is required. The following <br />guidelines are used to validate data and determine what, if any, corrective <br />l action is necessary. <br />1 <br />