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3.3.8 Data Reduction and Validation <br /> The procedures describing how to compute results from field measurements <br /> and to review and validate these data should be specified. They should include <br /> all formulas used to calculate results and procedures used to independently <br /> verify that field measurement results are correct. <br /> 3.3.9 Reporting <br /> The procedures describing the process for reporting the results of field <br /> activities should be specified. <br /> 3.3.10 Records Management <br /> The procedures describing the means for generating, controlling, and <br /> archiving project-specific records and field operations records should be <br /> specified. These procedures should detail record generation and control and the <br /> requirements for record retention, including type, time, security, and retrieval <br /> and disposal authorities. <br /> Project-specific records relate to field work performed for a project. <br /> These records may include correspondence, chain-of-custody records, field <br /> notes, all reports issued as a result of the work, and procedures used. <br /> Field operations records document overall field operations and may include <br /> equipment performance and maintenance logs, personnel files, general field <br /> procedures, and corrective action reports. <br /> 3.3.11 Waste Disposal <br /> The procedures describing the methods for disposal of waste materials <br /> resulting from field operations should be specified. <br /> 3.4 FIELD QA AND QC REQUIREMENTS <br /> The QAPjP should describe how the following elements of the field QC <br /> program will be implemented. <br /> 3.4.1 Control Samples <br /> Control samples are QC samples that are introduced into a process to <br /> monitor the performance of the system. Control samples, which may include blanks <br /> (e.g. , trip, equipment, and laboratory) , duplicates, spikes, analytical <br /> standards, and reference materials, can be used in different phases of the data <br /> collection process beginning with sampling and continuing through transportation, <br /> storage, and analysis. <br /> Each day of sampling, at least one field duplicate and one equipment <br /> rinsate should be collected for each matrix sampled. If this frequency is not <br /> appropriate for the sampling equipment and method, then the appropriate changes <br /> ONE - 11 Revision 1 <br /> July 1992 <br />