Ecological Risk Models and Tools
EPA has developed help for assessing and managing environmental risks, including guidance documents and tools ( the models and databases), used in our own risk assessments. In some cases, these resources are broad enough to be relevant across all statutes that EPA administers while in other cases, they are more applicable to specific EPA programs.
The lists below are separated by human health and ecological risk assessment and then by databases, models and other tools. See additional information about these tools below.
On this page:
Tools | Keywords | Location in EPA EcoBox |
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Chemical; Data Source; Food Chains and Food Webs; General - Bioaccumulation/Bioconcentration Tools; Other (e.g., Guidance, Methods); Water/Sediments |
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U.S EPA. (1992). National Study of Chemical Residues in Fish Volume II |
Aquatic Receptors; Chemical; Data Source; Food Chains and Food Webs; General - Bioaccumulation/Bioconcentration Tools; Water/Sediments |
Stressors - Chemical; Exposure Pathways - Water and Sediment; Exposure Pathways - Food Chains; Effects - Aquatic |
U.S. EPA. (1985). Aquatic Fate Process Data for Organic Priority Pollutants |
Data Source; Fate and Transport |
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U.S. EPA. (1993). Wildlife Exposure Factors Handbook Volume I and II |
Data Source; EPA; General - Exposure Factors; General - Phases of ERA; Other (e.g., Guidance, Methods) |
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U.S. EPA. (2005). Guidance for Developing Ecological Soil Screening Levels |
Data Source; EPA; Other (e.g., Guidance, Methods); Terrestrial Receptors |
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Aquatic Receptors; Chemical; Data Source; Other (e.g., Guidance, Methods) |
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Data Source; EPA; General - Phases of ERA |
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U.S. EPA. Aquatic Life Benchmarks and Ecological Risk Assessments for Registered Pesticides |
Aquatic Receptors; Data Source; General - Pesticide Tools |
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Data Source; General - Phases of ERA |
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U.S. EPA. Clean Air Status and Trends Network (CASTNET) Data |
Air; Data Source; Fate and Transport; General |
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U.S. EPA. Compilation of Air Pollutant Emissions Factors (AP-42) |
Air; Data Source |
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Chemical; Data Source; Fate and Transport; General |
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Aquatic Receptors; Data Source; Terrestrial Receptors |
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Data Source; General - Mapping/Geographic Tools; Habitat or Ecosystem-Level; Other (e.g., Guidance, Methods) |
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Data Source; General Tools |
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Animals; Biota; Data Source; General - Exposure Factors |
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U.S. EPA. Great Lakes Fish Monitoring and Surveillance Program (GLFMSP) |
Aquatic; Data Source; Food Chains and Food Webs; General; General - Bioaccumulation/Bioconcentration Tools; Water/Sediments |
Exposure Pathways - Water and Sediment; Exposure Pathways - Food Chains |
Aquatic; Data Source; Food Chains and Food Webs; General - Bioaccumulation/Bioconcentration Tools; General - Exposure Factors; General - Pesticide Tools; Model; Water/Sediments |
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Data Source; Habitat or Ecosystem-Level; Other (e.g., Guidance, Methods); Water/Sediments |
Receptors - Endangered Species; Exposure Pathways - Water and Sediment |
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U.S. EPA. National Recommended Water Quality Criteria – Aquatic Life Criteria Table |
Aquatic Receptors; Data Source |
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U.S. EPA. National Study of Chemical Residues in Lake Fish Tissue |
Aquatic Receptors; Chemical; Data Source; Food Chains and Food Webs; General; General - Bioaccumulation/Bioconcentration Tools; Water/Sediments |
Stressors - Stressors in ERA; Stressors - Chemical; Exposure Pathways - Water and Sediment; Exposure Pathways - Food Chains; Effects - Aquatic |
Chemical; Data Source |
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Chemical; Data Source |
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Aquatic; Data Source; General - Bioaccumulation/Bioconcentration Tools; Model; Water/Sediments |
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U.S. EPA. Recovery Potential Screening (RPS) Training and User Support |
Data Source; EPA; Habitat or Ecosystem-Level; Other (e.g., Guidance, Methods) |
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U.S. EPA. Report on the Environment (ROE): Ecological Condition |
Data Source; General; Habitat or Ecosystem-Level; Other (e.g., Guidance, Methods) |
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Aquatic Receptors; Chemical; Data Source; Model; Terrestrial Receptors |
Stressors - Chemical; Effects - Aquatic; Effects - Terrestrial |
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Aquatic Receptors; Data Source |
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Air; Chemical; Data Source; EPA; Model; Other (e.g., Guidance, Methods) |
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Data Source; Food Chains and Food Webs; General - Exposure Factors; General - Pesticide Tools; Model; Soil; Terrestrial |
Exposure Factors; Exposure Pathways - Soil; Exposure Pathways - Food Chains |
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Data Source; Food Chains and Food Webs; General - Exposure Factors; General - Pesticide Tools; Model; Soil; Terrestrial |
Exposure Factors; Exposure Pathways - Soil; Exposure Pathways - Food Chains |
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Data Source; General; Habitat or Ecosystem-Level; Other (e.g., Guidance, Methods); Physical; Water/Sediments |
Receptors - Endangered Species; Stressors - Stressors in ERA; Stressors - Physical; Exposure Pathways - Water and Sediment |
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U.S. EPA. Watershed Assessment, Tracking & Environmental Results System (WATERS) |
Data Source; Habitat or Ecosystem-Level |
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Chemical; Data Source |
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Data Source; General; Water/Sediments |
Stressors - Stressors in ERA; Exposure Pathways - Water and Sediment |
Tools
Tool | Keywords | Year |
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Assessment and Total Maximum Daily Load Tracking and Implementation System (ATTAINS) | Water Quality Assessments | 2014 |
EcoBox | Ecological Exposure | 2017 |
Ecological Risk Assessment Center (ERASC) | Superfund Ecological Risk Assessments | 2014 |
Ecological Stressor Identification | Stressor Identification | 2000 |
EnviroAtlas | Wellbeing | 2017 |
Flowthru Data Reader (for the Turner Design Model) | Real-Time Dye Tracing | 2004 |
Global Change Explorer (GCX) | Projection Data, Adaptation | 2019 |
HexSim | Modeling Simulator | 2020 |
Provisional Peer-Reviewed Toxicity Values | Toxicity Values, Superfund | 2020 |
Regional Removal Management Levels for Chemicals (RMLs) | Regional | 2015 |
Modeling Simulator | 2021 | |
EPA’s Ecosystem Services Tool Selection Portal | Guidance, Decision Making | 2023 |
Additional Information
These pages to include dynamic lists of various risk assessment resources pulled from the EPA ExpoBox (human health exposure assessments) and EPA EcoBox (ecological risk assessment) web sites. These are the most current set of resources, updated biannually, and also include link(s) to the relevant ExpoBox and EcoBox supporting pages which provide additional details about using these resources.
Learn more about these applications from the basic information on ExpoBox and the basic information on EcoBox web sites.