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i • <br /> Modeling Guidelines Page 3 <br /> 10. Modeling reports should provide: <br /> a. All of the empirical data, including flow, chemical, and geometric data, used in the <br /> modeling elrort, including an explanation of the quality of the data, the sources of the <br /> data,and how the data is appropriate for use in the modeling. If the data are too <br /> voluminous to provide in hard copy, provide hard copy summaries of the data and a <br /> detailed data electronically in an acceptable format. <br /> b. Model Pertortnance information <br /> 1. Calibration and validation analyses and results <br /> 2. Sensitivity analysis and results <br /> 3. Model uncertainty and how it was determined <br /> c. The range of model applicability, and how it was determined. Model predictions for <br /> regulatory use should be confined to within the calibrated and validated ranges of the <br /> model. <br /> d. Raw input and output results. If the data and results are too voluminous, provide hard <br /> copy summaries of input/output data and detailed examples of selected scenarios, with all <br /> data and results being. <br /> e. Interpretation of output results. Run the model for normal and critical conditions. Evaluate <br /> the output data under normal and critical conditions. Explain what you believe the model <br /> shows and how the results should impact the Regional Board's decision-making process. <br /> REFFRENCES: <br /> Additional guidance on modeling studies may be tound at the following web sites. <br /> Protocols for Water and Environmental Modeling, Bay-Delta Modeling Forum, January 2000, <br /> http://www.cwemf.org/hubs/Protocols2000-0 I.pdf <br /> Ground Water Modeling for Hydrogeologic Characterization: Guidance Manual for Ground Watcr <br /> Investigations. State of California Environmental Protection Agency, <br /> Itttp://www.dtsc.ca.gov/sitecleanup/SMP_Groundwater_Modeling.pol' <br /> Department of Pesticide Regulation studies on fate and transport of pesticides in soil and surface and <br /> ground waters. littp://www.e(1pr.ca.gov/docs/sw/protocol.htm <br /> Center for Exposure Assessment Modeling(CEAM): http://www.epa.gov/ceanipubl/ <br /> Council for Regulatory Modeling (CREM): http://cf'pub.cpa.gov/crem/index.cfin <br /> Drall Guidance on the Development, Evaluation, and Application of Regulatory Environmental Models <br /> (US EPA), Itttp://www_epa.gov/osp/crem/library/CRF,M%20(iuidance%2ODrafl%2012_03.pdf <br />