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Data validation criteria are derived from the Contract Laboratory Program National Functional <br /> Guidelines for Organic and Inorganic Data Review (National Functional Guidelines; USEPA, <br /> 1994a and 1994b). The guidelines provide specific data validation criteria that can be applied to <br /> data generated for this investigation. <br /> The laboratory data will be reviewed for compliance with the applicable method and the quality <br /> of the data reported. The following summarizes the areas of data validation: <br /> • Data completeness <br /> • Sample holding times <br /> • Blanks <br /> • Laboratory control samples <br /> • Matrix spike/matrix spike duplicates (as applicable) <br /> • Surrogates/internal standards (as applicable) <br /> • Field QC samples <br /> • Compound identification and quantification <br /> The application of data validation criteria is a function of project-specific DQOs. The laboratory <br /> QA/OC manager will determine if the DQOs for the analytical data have been met. Results of the <br /> data validation review will be documented and summarized in a data validation section of the <br /> final RI/FS report. <br /> 8.3 Procedures for Data Validation <br /> Data validation for the types of analyses to be performed for this investigation will be performed <br /> in accordance with Level Ill data validation techniques as presented in the National Functional <br /> Guidelines. Data validation will be performed and documented by Consultant in a manner <br /> consistent with the functional guidelines. The results of the data validation will be included in the <br /> data validation section of the final RDFS report. This documentation will be maintained by <br /> Consultant in the project files. <br /> Environmental/LNC/Workplan/Appendix3.wpd 22 <br />