SYMPOSIA PAPER Published: 01 January 1981
STP34146S

Multimedia Modeling of the Fate of Environmental Chemicals

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The development of a methodology for preliminary assessment of a chemical's behavior in the environment is the objective of the work reported here. The model produces concentration estimates used in the exposure calculations that support risk analysis. It goes beyond traditional fate models by explicitly treating transfer and transformation in air, soil, and biota as well as in water. This multimedia formulation is generalized in its capability to accept various types of chemicals and modes of their release into the environment. The first version of the model described here is designed for manual execution using a programmable calculator; however, the logic is structured to allow future substitution of computer-aided modules. These features were adopted to meet requirements of lead time, ease in application, and model evaluation. The development efforts have generated scientific narratives, flow charts, user instructions, and generic environmental data sets for various regions. These outputs are described and directions for future work are summarized.

Author Information

Eschenroeder, A
Arthur D. Little, Inc., Cambridge, Mass.
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Details
Developed by Committee: D19
Pages: 31–42
DOI: 10.1520/STP34146S
ISBN-EB: 978-0-8031-4803-1
ISBN-13: 978-0-8031-0799-1