New in version 1.01
This model is useful for estimating the likely extent of bioaccumulation in a terrestrial or aquatic organism and biomagnification from the food to the organism, and the relative importance of each uptake and loss process. The chemical residence time provides information on the likely uptake and depuration times. The model quantifies the various input and output processes in three formats: the conventional concentration - rate constant approach, the fugacity - Z and D value approach, and a novel characteristic time approach. It is believed that each approach has its advantages and insights. The three approaches yeild identical results. The results of changes in chemical, organism, and environmental properties may be explored by modifying the input data. Incremental changes in input properties can be used to obtain a sensitivity analysis. The novel component of this model is the calculation of characteristic times. These provide valuable additional insights regarding the relative importance of the various uptake and loss processes and can facilitate an evaluation of the bioenergetic consistency of organism properties.
Features of the TAOBAC model:
Provides a database of chemicals and chemical properties.
Permits temporary additions/changes of chemicals and their properties to a simulation.
Permits permanent additions, changes and deletions of chemicals and their properties to the database.
Provides a database of organisms and environments and their properties.
Permits temporary additions/changes of organisms and environments and their properties to a simulation.
Permits permanent additions, changes and deletions of organisms and environments and their properties to the database.
Provides context-sensitive Help.
Displays and prints the TAOBAC model calculations, as performed by the program. Allows the printing of simulation tables and the summary diagram.
Allows the program results to be saved as text file viewable by standard spreadsheet software.
This program was based on the following publication:
Powell, A., Mackay, D., Webster, E., Arnot, J.A. 2009. Modeling bioaccumulation using characteristic times. Environ. Toxicol. Chem. 28 (2):272-278.
Required Input Data:
Environmental and Organism Properties:
Minimum system requirements are an IBM-compatible PC running Windows 98 or XP. This model will not run under Windows NT or 2000.
This model is an adaptation of the fugacity-based Fish model.
The TAOBAC Model Version 1.00, released March 2009, continues to be available.
Please read the TAOBAC SOFTWARE LICENSE before downloading the software. Use of the software constitutes your agreement to abide by the terms and conditions set out in the license agreement.
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Last updated June 12, 2013.