1. Data assembly - EPA will receive all data from the field sites and laboratories connected with the RTDF trial. The data will be cataloged, stored, and distributed in accordance with the data sharing and site confidentiality agreements arranged for this program.

2. Database management - EPA will provide data entry and formatting of all data in a common format to support data summary, statistical analysis, and reporting.

3. Statistical Analysis - Data summaries and statistical analyses will be prepared for facilitation of report preparation and publication.

4. Reporting - An annual report of research progress will be prepare for internal use by the RTDF. A separate summary report for public release will be prepared following recommendations from the RTDF.

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