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14.0 VERIFICATION AND VALIDATION METHODS <br /> These procedures specify the documentation needed and the technical criteria for data reduction, <br /> validation, and reporting. The laboratories are required to submit results that are supported by sufficient <br /> backup data and QA/QC sample analysis results to enable reviewers to determine the validity of the data. <br /> 14.1 Field Measurement Data <br /> If field measurements are collected, field personnel will perform validation of data obtained from field <br /> measurements by checking calibration procedures utilized in the field. Variations in data that cannot be <br /> explained by local conditions may be assigned a lower level of validity and will be used for limited <br /> purposes. Validation of data will be accomplished by checking calibration records generated in the field <br /> and by checking sampling forms and field records for completeness. A summary of data obtained from <br /> field measurements and any use limitations will be noted on data sheets or in log entries. <br /> 14.2 Laboratory Data <br /> Chemical data will be validated according to accuracy, precision, and completeness established by <br /> proposed laboratories QA/QC programs <br /> The sample data will be validated at Level. The following items are reviewed during the Level II validation <br /> process: sample management (collection techniques, sample containers, preservation, handling, transport, <br /> chain-of custody, holding times); initial and continuing calibration; method blank sample results; <br /> continuing calibration blank results; blank spike and LCS results; laboratory duplicate precision, if <br /> applicable; surrogate recoveries, if applicable; matrix spike/matrix duplicate (MS/MSD) accuracy and <br /> precision; serial dilution precision, if applicable; field QA/QC sample results; gas <br /> chromatography/massspectroscopy (GC/MS) instrument performance; internal standard performance, <br /> target compound identification, compound quantification, reported detection limits; and a definitive <br /> review of the raw data. <br /> Quality Assurance/Quality Control Plan <br /> Tracy Corners Shopping Center <br /> 3225 North Tracy Boulevard <br /> Tracy,California 95376 <br /> Partner Project Number SM14-129814 <br /> Docket Number HAS-VCA 14/15-108 <br /> August 15,2016 <br /> Page 15 <br />