Screening Level Modeling in Support of an Estuarine Toxics Management Program

by David W. Dilks, LTI, Ann Arbor, United States,

Abstract: Mathematical models will be used in the future to determine maximum allowable pollutant loading rates for several toxics to the South San Francisco Bay Estuary. This project consisted of development and application of a screening level model to integrate numerous sources of existing data and help guide necessary monitoring and modeling efforts. Application of the screening model identified gaps in the available data and provided a preliminary indication of the processes affecting pollutant concentrations. One important finding was that system response time to decreased loads was on the order of 4 years (for arsenic) to 30 years (for lead).

Subject Headings: Data processing | Mathematical models | Pollutants | Toxicity | Water pollution | Load factors | Estuaries | Hydrologic models

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