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samples to assess whether these data are consistent with method requirements. Upon request,the laboratory will make available all supporting documentation in timely fashion. 9.4 Scheduling Audits will be scheduled in the event discrepancies are identified. The overall frequency of audits conducted for these activities will be based on the importance and duration of work, as well as significant changes in project scope or personnel. 9.5 Reports Management and Responsibilities Upon completion of any audit, the auditor will submit to the Project/Field Manager a report or memorandum describing any problems or deficiencies identified. It is the responsibility of the Project Manager to determine whether the deviations will result in any adverse effect on the project conclusions. If it is determined that corrective action is necessary, procedures outlined in Section 9.6 will be followed. 9.6 Corrective Action Corrective actions will be initiated whenever data quality indicators suggest that DQOs have not been met. Corrective actions will begin with identifying sources of the problem. Potential problem sources include failure to adhere to method procedures, improper data reduction, equipment malfunctions, or systemic contamination. The first level of responsibility for identifying the problems and initiating corrective action lies with the analyst/field personnel. The second level of responsibility lies with any person reviewing the data. Corrective actions may include more intensive staff training, equipment repair followed by more intensive preventive maintenance program, or removal of the source of systemic contamination. Once resolved, the corrective action procedure will be filly documented and if DQOs were not met, the samples in question must be recollected and/or reanalyzed using a properly functioning system. Environmental/LNC/workplan/Appendix3.wpd 25