Nano Science and Technology Institute
Nanotech 2012 Vol. 3
Nanotech 2012 Vol. 3
Nanotechnology 2012: Bio Sensors, Instruments, Medical, Environment and Energy (Volume 3)
Chapter 5: Environmental Health & Safety

Multimedia Environmental Distribution of Nanomaterials

Authors:H.H. Liu, Y. Cohen
Affilation:University of California, Los Angeles, US
Pages:304 - 306
Keywords:nanomaterial, fate and transport, multimedia environment, model
Abstract:In the present study, a generalized model of the multimedia environmental distribution of engineered nanomaterial is developed via multimedia fate and transport modeling to estimate potential exposure levels in various environmental compartments. In this model, the multimedia environment is considered as a collection of environmental compartments (e.g. atmosphere, water, soil, sediment), with each compartment treated as either well-mixed (e.g. atmosphere, water), or non-uniform compartments (e.g. soil, sediment). Fundamental intermedia transport processes (e.g. dry deposition, rain scavenging, resuspension) are used to link various compartments. A user defines the modeling scenario in the web-based GUI by specifying properties of the eNM, geographical and meteorological parameters, transport process parameters, and source release estimates. The model calculates the dynamic change of mass in each environmental compartments, and displays the results within the GUI in real-time. This tool can potentially assist regulators, industrial, and academic users in rapidly assessing the possible environmental implication based on realistic estimation of regional and release parameters as well as conducting “what-if” type of scenarios.
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