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10.0 DATA REDUCTION, VALIDATION, AND REPORTING 10.1 FIELD AND TECHNICAL DATA Both objective(measurement) and subjective(descriptive) data are subject to validation. All data collected in the field will be documented following the procedures detailed in the Sampling Plan. Objective data will be validated at the time of collection (e.g., triplicate measurements), and checked by the Field Task Leader to ensure that correct codes and units have been included. After data reduction into tabular or figure form, the objective data will be reviewed for anomalies and inconsistencies by the WCFS Project Manager. Any problem data will be resolved:or clarified by evaluation of the raw field data, equipment calibration logs, etc., and consultation with field personnel. Subjective field and technical data will be evaluated by the WCFS Project Manager for reasonableness an&completeness. Whenever possible, peer review will also be used in order j to maximize consistency in data evaluation. �? 10.2 LABORATORY DATA The laboratory used for this study will be required to submit data that are supported by sufficient backup information and quality assurance results to enable reviewers to determine the quality of the data. For AST projects,: the data quality objectives make full validation of reported results unnecessary. Critical elements such as calibration,blank quality, duplicate precision, and matrix spike recoveries will be reviewed by the Project Chemist, who will then release the data for use or recommend further sampling or,analysis. Review will be in accordance with C applicable portions of the USEPA National Functional Guidelines. Individual sample results, however, will not be qualified. Instead, a short report will discuss the results of the review in terms of.data appropriateness and usability. L; �I 8054 c:\8054\kjax.gap 15