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EXPOSURE ANALYSIS MODELING SYSTEM: REFERENCE MANUAL FOR EXAMS 2
Citation:
Burns, L.A. AND D. Cline. EXPOSURE ANALYSIS MODELING SYSTEM: REFERENCE MANUAL FOR EXAMS 2. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/3-85/038 (NTIS PB85228138).
Description:
The Exposure Analysis Modeling System (EXAMS), published in 1982 (EPA-600/3-82-023), provides rapid evaluations of the behavior of synthetic organic chemicals in aquatic ecosystems. EXAMS combines laboratory data describing reactivity and thermodynamic properties of chemicals with independent data describing the transport and physical/chemical properties of aquatic ecosystems. From these data, EXAMS computes exposure, fate and persistence. This manual describes the expansion of EXAMS to extend the model's capabilities to include seasonal differences in the environmental driving forces that govern transport and transformation kinetics, to compute the fate and transport of products that result from transformation reactions in the environment, and to provide greater flexibility in specifying the timing and duration of chemical loadings entering the ecosystem.