Data and Tools
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EXAMS version 2.98.04.06
Exposure Analysis Modeling System, software for formulating aquatic ecosystem models & evaluating fate, transport, & exposure concentrations of synthetic organic chemicals. April 2005
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Map of Weather Stations and State Parts of MLRA
Map of weather station locations overlaid on Major Land Resource Areas. From EPA database of meteorological data files.
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Map of Weather Stations and State Parts of MLRA - Legend
Legend for map of weather station locations from EPA database of meteorological data files (for use with CEAM & other software models), overlaid on Major Land Resource Areas.
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Key to Land Resource Regions (LRR) and Major Land Resource Areas
Codes to MLRA (Major Land Resource Areas) descriptive titles for use with EPA database of meteorological data files (to use with CEAM & other software models)
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TMDL USLE
Notes that the Total Maximum Daily Load (TMDL) Universal Soil Loss Equation (USLE) model has been archived and is no longer available on the CEAM Web site.
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LC50
Page notes that LC50 (lethal concentration, 50%) model, which estimates LC50 values, has been archived & is no longer available on CEAM site
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ICE
Notes that ICE model has been archived & is no longer available on the EPA Center for Exposure Assessment Modeling (CEAM) Web site. CEAM recommends use of the Web-ICE on-line application
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Virtual Beach Release Notes
Release notes for VB, software package designed for developing site-specific Multiple Linear Regression (MLR) models for the prediction of pathogen indicator levels at recreational beaches
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Virtual Beach (VB)
Page on VB, a software package designed for developing site-specific Multiple Linear Regression (MLR) models for the prediction of pathogen indicator levels at recreational beaches.
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WHATIF Release Notes
Release notes for the WHATIF (Watershed Health Assessment Tools Investigating Fisheries) software model assessing the health of watersheds and streams
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NPS Documentation
This documentation has been archived and is no longer available on this website.
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OXYREF
The Oxygen Requirements of Fishes (OXYREF) data base has been archived and is no longer available on this website.
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SED3D
Notes that the Three-Dimensional Numerical Model of Hydrodynamics and Sediment Transport in Lakes and Estuaries (SED3D) model was archived & is no longer available on the CEAM web site
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SERAFM Release Notes
Release notes for SERAFM (Spreadsheet-based Ecological Risk Assessment for the Fate of Mercury) versions 1.0.2 to 1.0.4
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Metadata Ecoregions
Level III Ecoregions of the Conterminous United States in BASINS
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Metadata (GIRAS)
1:2500 Scale Quadrangles of Land use / Land cover GIRAS Spatial Data of CONUS in BASINS
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Metadata EPA Regional Boundaries
USEPA Regional Boundaries in the United States for BASINS
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Metadata Urbanized Areas
1990 Tiger Urbanized Areas / Polygons for CONUS, Alaska, and Hawaii in BASINS
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Metadata Permit Compliance System (PCS)
EPA/OW Permit Compliance System for BASINS Version 3 in CONUS
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WASP
WASP is maintained through this website.