Estimation of aerial deposition and foliar uptake of xenobiotics: Assessment of current models
This report reviews existing mathematical and/or computer simulation models that estimate xenobiotic deposition to and transport through (both curricular and stomatal) vegetative surfaces. The report evaluates the potential for coupling the best of those models to the existing Uptake, Translocation, Accumulation, and Biodegradation model to be used for future xenobiotic exposure assessments. Here xenobiotic compounds are defined as airborne contaminants, both organic and gaseous pollutants, that are introduced into the environment by man. Specifically this document provides a detailed review of the state-of-the-art models that addressed aerial deposition of particles and gases to foliage; foliar and cuticular transport, metabolism, and uptake of organic xenobiotics; and stomatal transport of gaseous and volatile organic xenobiotic pollutants. Where detailed information was available, parameters for each model are provided on a chemical by chemical as well as species by species basis. Sufficient detail is provided on each model to assess the potential for adapting or coupling the model to the existing UTAB plant exposure model. 126 refs., 6 figs., 10 tabs.
- Research Organization:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- DOE Contract Number:
- AC06-76RL01830
- OSTI ID:
- 5632579
- Report Number(s):
- PNL-6173; ON: DE88000993
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
MATHEMATICAL MODELS
OPTIMIZATION
ORGANIC COMPOUNDS
FOLIAR UPTAKE
XENOBIOTICS
DEPOSITION
ATMOSPHERIC PRECIPITATIONS
CHEMICAL EFFLUENTS
COMBUSTION PRODUCTS
COMPUTERIZED SIMULATION
INDUSTRIAL PLANTS
LEAVES
PESTICIDES
PLANT TISSUES
STOMATA
BODY
OPENINGS
SIMULATION
TISSUES
UPTAKE
500200* - Environment
Atmospheric- Chemicals Monitoring & Transport- (-1989)
560300 - Chemicals Metabolism & Toxicology