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' ' <br /> `I,' <br /> <br />Western Alias <br />CORE LABORATORIES <br /> International <br /> <br /> r i T i F <br /> ANALYTICAL CHEMISTRY DIVISION QUALITY ASSURANCE MANUAL <br />' SOP N0. REVISION N0. EFFECTIVE GATE PAGE <br /> HC-QAC-02 0 1!06/92 88 of 104 <br />' <br /> • Review and document problems encountered during analysis. Determine <br />' whether corrective action is required and, if action is required, inform the <br />appropriate personnel. <br /> <br />' Verify that the samples were analyzed within the method-specified holding <br />time. If holding times were not met, this must be documented and included <br /> in the job file. <br />' • Prepare case narratives which will be included in the final analytical report, <br /> when necessary (severe matrix interference problems resulting in high <br />' detection limits, missed hold times, quality control probler'ns, etc.l• <br /> If the requirements listed above (or method-specified requirerhentsl were not <br />' met, reanalysis of the sample may be necessary. <br /> 14.4 Quality Assurance Review And Data Audits <br /> Th <br />Q <br />QC <br /> e <br />A/ <br />coordinator is responsible for reviewing and approving the quality <br /> assurance report prior to delivery of the final .analytical report to the client. <br />' Complete analytical and quality assurance data audits should bye performed on <br /> approximately five percent of the completed jobs. The followirhg items should <br /> be checked during this data audit process. <br />' <br /> Verify that sample receipt procedures and chain-of-custady completion <br /> instructions were properly followed by laboratory sample receipt personnel. <br /> <br /> • Review LIMS log-in information versus chain-of-custody information to i <br />' verify that all log-in and sample information is correct. <br /> • Verify that samples were analyzed within the method-specified holding <br />' time. If holding times were not met, document this non-confprmance in the <br />job file <br /> . <br /> • Verify that quality control sample checks were analyzed at the proper <br />' frequency and that quality control sample performance criteria were met. <br /> • Review the final analytical and quality assurance reports to assure that the <br />' data reported is correct (significant figures, method references, detection <br /> limits, units, and date and time analyzed. <br /> <br />