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' . _ CORE LABOF#tATORIES <br />' ~,~~~ <br />Western Atlas <br />{nternational <br />.,.a,a.,.. ~.. <br />i ~ ~ TI7lE <br />ANALYTICAL CHEMISTRY DIVISION QUALITY ASSURANCE MANUAL <br />' SOP N0. REVISION N0. EFFECTIVE GATE PAGE <br />HC-QAC-02 0 1106/92 95 of 104 <br />~' QA1QC Acceptable <br />The QA/QC coordinator reviews and approves the items Specified in section <br />14.4 prior to initialing and dating the QA/QC-accepilable area of the <br />'' documentation stamp. <br />Report Approval <br />Laboratory section supervisors, project managers, the QA/QC coordinator, or <br />the laboratory manager review and approve the items specified in section <br />' 14.5 prior to initialing and dating the report-sent area of the documentation <br />stamp. Required data review and validation documentatian is also verified. <br />' 15.0 QUALITY ASSESSMENTS <br />' Quality assessment programs are used to measure laboratory performance and ~ <br />monitor laboratory adherence to corporate administrative policies, corporate quality <br />assurance policies, and method-specified requirements. Quality assessments are <br />' necessary to identify and eliminate non-conformances. Quality assessment i <br />programs used by Core Laboratories to accomp{ish this goal incl~lde: <br />' • Corporate quality assurance audits <br />• Corporate administrative audits <br />• Internal laboratory audits <br />• Data audits <br />• External audits <br />• Performance evaluation studies <br />• Round robin programs <br />' Blind duplicate analysis <br />I Corrective action process <br /> <br />