Human Health 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.

On this page:

Models
Tools
Databases

Models
Tools	Keywords	Location in EPA EcoBox
U.S. EPA. ( 2001). Indoor Air Quality Building Education and Assessment Model (I-BEAM), [CD-ROM]	Air; Concentrations; Indoor Air; Inhalation; Model; Scenario Evaluation; Sources and Releases	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Media - Air: Sources
U.S. EPA. Landfill Gas Emissions Model (LandGEM)	Air; Concentrations; Inhalation; Model; Outdoor Air; Scenario Evaluation; Sources and Releases	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Other Organics: Tools
U.S. EPA. Multimedia, Multipathway, and Multireceptor Exposure and Risk Assessment (3MRA)	Air; Calculating Exposure and Dose; Dermal; Fate and Transport; Inhalation; Model; Multimedia; Outdoor Air; Scenario Evaluation; Soil and Dust; Water and Sediment	Dermal: Calculations, Indirect Estimation: Calculating, Indirect Estimation: Fate, Inhalation: Calculations, Media - Air: Calculation
U.S. EPA. Exposure Analysis Modeling System (EXAMS)	Concentrations; Dermal; Fate and Transport; Ingestion; Model; Organics; Soil and Dust; Surface Water; Water and Sediment	Dermal: Concentrations, Ingestion: Concentrations, Media - Soil and Dust: Fate, Media - Water: Concentration, Media - Water: Fate, Other Organics: Tools
U.S. EPA. Water Quality Analysis Simulation Program (WASP7)	Aquatic Biota; Concentrations; Dermal; Fate and Transport; Ingestion; Model; Multimedia; Surface Water; Water and Sediment	Dermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. Stochastic Human Exposure and Dose Simulation (SHEDS)	Aggregate or Cumulative; Air; Calculating Exposure and Dose; Calculation Tools; Concentrations; Consumer Products; Dermal; Exposure Factors; Food; Indoor Air; Ingestion; Inhalation; Model; Multimedia; Outdoor Air; Pesticides; Probabilistic; Residential Consumer; Scenario Evaluation; Soil and Dust; Water and Sediment	Dermal: Calculations, Indirect Estimation: Calculating, Ingestion: Calculations, Media - Air: Calculation, Media - Consumer Products: Calculation, Media - Food: Calculation, Media - Soil and Dust: Calculation, Media - Water: Calculations, Pesticides: Tools, Residential Consumer: Overview, Tiers and Types: Methods, Tiers and Types: Methods
U.S. EPA. Community-Focused Exposure and Risk Screening Tool (C-FERST)	Aggregate or Cumulative; Highly Exposed; Model	Highly Exposed: Overview, Tiers and Types: Methods
U.S. EPA. Models for Pesticide Risk Assessment: Atmospheric Models	Air; Concentrations; Inhalation; Model; Pesticides; Scenario Evaluation; Sources and Releases; Water and Sediment	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Pesticides: Tools
U.S. EPA. Models for Pesticide Risk Assessment: Health Effects Models	Calculating Exposure and Dose; Calculation Tools; Exposure Factors; Food; Ingestion; Model; Pesticides; Water and Sediment	Ingestion: Calculations, Media - Food: Calculation, Media - Water: Calculations, Pesticides: Tools
U.S. EPA. Models for Pesticide Risk Assessment: Terrestrial Models	Aquatic Biota; Concentrations; Dermal; Fate and Transport; Food; Ingestion; Model; Pesticides; Scenario Evaluation; Soil and Dust; Water and Sediment	Dermal: Concentrations, Indirect Estimation: Concentrations, Ingestion: Concentrations, Media - Food: Concentration, Media - Soil and Dust: Fate, Pesticides: Tools
U.S. EPA. (2012). Standard Operating Procedures (SOPs) for Residential Pesticide Exposure Assessment	Air; Calculating Exposure and Dose; Calculation Tools; Consumer Products; Dermal; Developing Scenarios; Exposure Assessment; Exposure Factors; Food; Guidance; Ingestion; Inhalation; Model; Other (e.g., Guidance, Methods); Pesticides; Residential Consumer; Soil and Dust; Water and Sediment	Dermal: Guidance, Dermal: Scenarios, Indirect Estimation: Calculating, Indirect Estimation: Scenarios, Ingestion: Guidance, Ingestion: Scenarios, Inhalation: Guidance, Inhalation: Scenarios, Media - Air: Scenarios, Media - Consumer Products: Guidance, Media - Consumer Products: Scenarios, Media - Food: Scenarios, Media - Soil and Dust: Scenarios, Media - Water: Scenarios, Pesticides: Tools, Residential Consumer: Overview
U.S. EPA. Industrial Source Complex Model (ISC3)	Air; Calculating Exposure and Dose; Concentrations; Inhalation; Model; Outdoor Air	Inhalation: Calculations, Media - Air: Calculation
U.S. EPA. Integrated Exposure Uptake Biokinetic (IEUBK) Model for Lead in Children	Air; Biomonitoring; Calculating Exposure and Dose; Children; Concentrations; Consumer Products; Exposure Factors; Food; Groundwater; Infant; Ingestion; Inhalation; Inorganics and Fibers; Model; Soil and Dust; Sources and Releases; Surface Water; Water and Sediment	Ingestion: Concentrations, Inhalation: Concentrations, Inorganics and Fibers: Tools, Lifestage: Overview, Media - Air: Concentration, Media - Consumer Products: Concentration, Media - Food: Concentration, Media - Soil and Dust: Concentration, Media - Water: Concentration
U.S. EPA. Ecological Structure Activity Relationships (ECOSAR) Predictive Model	Calculation Tools; Ecological Risk Assessment; Model; Organics; Pesticides; Phys./Chem.	Other Organics: Tools, Pesticides: Tools
U.S. EPA. Estimation Program Interface (EPI) Suite	Air; Concentrations; Consumer Products; Dermal; Exposure Assessment; Fate and Transport; Food; Ingestion; Inhalation; Inorganics and Fibers; Model; Multimedia; Organics; Pesticides; Phys./Chem.; Scenario Evaluation; Screening and Refined; Soil and Dust; Water and Sediment	Dermal: Concentrations, Indirect Estimation: Concentrations ,Indirect Estimation: Fate, Ingestion: Concentrations, Inhalation: Concentrations, Inorganics and Fibers: Tools, Media - Air: Fate, Media - Consumer Products: Fate, Media - Food: Fate, Media - Soil and Dust: Fate, Media - Water: Fate, Other Organics: Tools, Pesticides: Tools, Tiers and Types: Methods
U.S. EPA. Hydrocarbon Spill Screening Model (HSSM)	Model; Organics	Other Organics: Hydrocarbons
Environmental Measurements and Modeling: Environmental Modeling	Concentrations; Fate and Transport; Model; Other (e.g., Guidance, Methods); Scenario Evaluation	Indirect Estimation: Concentrations, Indirect Estimation: Fate, Indirect Estimation: Scenarios
Lipscomb, JC; Kedderis, GL . (2006). Use of Physiologically Based Pharmacokinetic (PBPK) Models to Quantify the Impact of Human Age and Interindividual Differences in Physiology and Biochemistry Pertinent to Risk (Final Report)	Biomonitoring/Exposure Reconstruction; Model; Other (e.g., Guidance, Methods)	Exposure Reconstruction: Expo
Novigen Sciences, Inc. Dietary Exposure Evaluation Model – Food Commodity Intake Database (DEEM-FCID)/Calendex Model	Aggregate or Cumulative; Model; Probabilistic	Tiers and Types: Methods, Tiers and Types: Methods
The Lifeline Group. LifeLine Customized Dietary Assessment Software™ (Archived)	Calculating Exposure and Dose; Food; Ingestion; Model	Ingestion: Calculations, Media - Food: Calculation
The Lifeline Group. LifeLine™ User Manual v1.0 (Archived)	Aggregate or Cumulative; Air; Calculating Exposure and Dose; Concentrations; Consumer Products; Dermal; Food; Ingestion; Inhalation; Model; Outdoor Air; Probabilistic; Residential Consumer; Scenario Evaluation; Water and Sediment	Dermal: Calculations, Dermal: Concentrations, Indirect Estimation: Calculating, Ingestion: Calculations, Ingestion: Concentrations, Inhalation: Calculations, Inhalation: Concentrations, Media - Air: Calculation, Media - Consumer Products: Calculation, Media - Food: Calculation, Media - Water: Calculations, Residential Consumer: Overview, Tiers and Types: Methods, Tiers and Types: Methods
U.S. EPA. (2006). Approaches for the Application of Physiologically Based Pharmacokinetic (PBPK) Models and Supporting Data in Risk Assessment (Final Report)	Biomonitoring/Exposure Reconstruction; Model; Other (e.g., Guidance, Methods)	Exposure Reconstruction: Expo
U.S. EPA. (2009). Physiological Information Database (PID)	Biomonitoring/Exposure Reconstruction; Data Source; Model; Phys./Chem.	Exposure Reconstruction: Expo
U.S. EPA. (2016). ExpoFIRST (Exposure Factors Interactive Resource for Scenarios Tool)	Air; Aquatic Biota; Calculating Exposure and Dose; Children; Consumer Products; Dermal; Developing Scenarios; Drinking Water; Food; General; Groundwater; Highly Exposed; Indoor Air; Infant; Ingestion; Inhalation; Model; Multimedia; Occupational; Older Adult; Outdoor Air; Residential Consumer; Scenario Evaluation; Screening and Refined; Soil and Dust; Surface Water; Water and Sediment; Women	Dermal: Calculations, Dermal: Scenarios, General Populations: Overview, Highly Exposed: Overview, Indirect Estimation: Calculating, Indirect Estimation: Scenarios, Ingestion: Calculations, Ingestion: Scenarios, Inhalation: Calculations, Inhalation: Scenarios, Lifestage: Overview, Media - Air: Calculation, Media - Air: Scenarios, Media - Aquatic Biota: Calculation, Media - Aquatic Biota: Scenarios, Media - Consumer Products: Calculation, Media - Consumer Products: Scenarios, Media - Food: Calculation, Media - Food: Scenarios, Media - Soil and Dust: Calculation, Media - Soil and Dust: Scenarios, Media - Water: Calculations, Media - Water: Scenarios, Occupational Worker: Overview, Residential Consumer: Overview, Tiers and Types: Methods
U.S. EPA. (2024). All Ages Lead Model (AALM) Version 3.0	Air; Concentrations; Drinking Water; General; Ingestion; Inhalation; Model; Population (Demographic); Scenario Evaluation	General Populations: Overview, Highly Exposed: Overview, Indirect Estimation: Concentrations, Ingestion: Concentrations, Inhalation: Concentrations, Lifestage: Overview, Other Organics: Tools
U.S. EPA. 3DFEMWATER and 3DELWASTE	Concentrations; Dermal; Groundwater; Ingestion; Model; Water and Sediment	Dermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. AERMOD Modeling System	Air; Concentrations; Inhalation; Model; Scenario Evaluation; Sources and Releases	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Air Pollutants Exposure Model (APEX)	Air; Calculating Exposure and Dose; Indoor Air; Inhalation; Model; Outdoor Air; Scenario Evaluation	Indirect Estimation: Calculating, Inhalation: Calculations, Media - Air: Calculation
U.S. EPA. Air: Fate, Exposure, and Risk Analysis (FERA)	Air; Concentrations; Inhalation; Model; Scenario Evaluation; Sources and Releases	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Media - Air: Fate
U.S. EPA. AQUATOX Model	Aquatic Biota; Fate and Transport; Inorganics and Fibers; Model; Organics; Water and Sediment	Inorganics and Fibers: Tools, Media - Aquatic Biota: Fate, Media - Water: Fate, Other Organics: Tools
U.S. EPA. Better Assessment Science Integrating point & Non-point Sources (BASINS) Model	Concentrations; Dermal; Fate and Transport; Ingestion; Model; Surface Water; Water and Sediment	Dermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration, Media - Water: Fate
U.S. EPA. Bioaccumulation and Aquatic System Simulator (BASS)	Aquatic Biota; Concentrations; Fate and Transport; Ingestion; Model	Ingestion: Concentrations, Media - Aquatic Biota: Concentration, Media - Aquatic Biota: Fate
U.S. EPA. Center for Exposure Assessment Modeling (CEAM)	Aquatic Biota; Concentrations; Dermal; Fate and Transport; Food; Groundwater; Ingestion; Inorganics and Fibers; Model; Multimedia; Organics; Other (e.g., Guidance, Methods); Pesticides; Soil and Dust; Surface Water; Water and Sediment	Dermal: Concentrations, Indirect Estimation: Concentrations, Indirect Estimation: Fate, Ingestion: Concentrations, Inorganics and Fibers: Tools, Media - Aquatic Biota: Concentration, Media - Aquatic Biota: Fate, Media - Food: Concentration, Media - Food: Fate, Media - Soil and Dust: Concentration, Media - Soil and Dust: Fate, Media - Water: Concentration, Media - Water: Fate, Other Organics: Tools, Pesticides: Tools
U.S. EPA. Chemical Screening Tool For Exposures and Environmental Releases (ChemSTEER)	Air; Calculating Exposure and Dose; Calculation Tools; Concentrations; Consumer Products; Dermal; Fate and Transport; Indoor Air; Ingestion; Inhalation; Model; Occupational; Pesticides; Scenario Evaluation; Screening and Refined; Soil and Dust; Sources and Releases; Water and Sediment	Dermal: Calculations Dermal: Concentrations Indirect Estimation: Calculating Indirect Estimation: Sources Ingestion: Calculations, Ingestion: Concentrations, Inhalation: Calculations, Inhalation: Concentrations, Media - Air: Calculation, Media - Air: Fate, Media - Consumer Products: Calculation, Media - Soil and Dust: Calculation, Media - Water: Calculations, Occupational Worker: Overview, Pesticides: Tools, Tiers and Types: Methods
U.S. EPA. Community Multiscale Air Quality Modeling System (CMAQ)	Air; Concentrations; Inhalation; Model; Scenario Evaluation; Sources and Releases	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. DFLOW Model	Fate and Transport; Model; Water and Sediment	Media - Water: Fate
U.S. EPA. Emission Estimation Tools	Air; Exposure Assessment; Model; Organics; Outdoor Air	Media - Air: Sources, Other Organics: Tools
U.S. EPA. Environmental Fluid Dynamics Codes (EFDC)	Concentrations; Dermal; Fate and Transport; Ingestion; Model; Surface Water; Water and Sediment	Dermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. Exposure and Fate Assessment Screening Tool (E-FAST)	Air; Aquatic Biota; Calculating Exposure and Dose; Concentrations; Consumer Products; Dermal; Fate and Transport; Indoor Air; Ingestion; Inhalation; Model; Multimedia; Outdoor Air; Residential Consumer; Scenario Evaluation; Screening and Refined; Soil and Dust; Water and Sediment	Dermal: Calculations, Dermal: Concentrations, Indirect Estimation: Calculating, Indirect Estimation: Concentrations, Indirect Estimation: Fate, Ingestion: Calculations, Ingestion: Concentrations, Inhalation: Calculations, Inhalation: Concentrations, Media - Air: Calculation, Media - Air: Fate, Media - Aquatic Biota: Calculation, Media - Consumer Products: Calculation, Media - Consumer Products: Concentration, Media - Consumer Products: Fate, Media - Soil and Dust: Calculation, Media - Water: Calculations, Media - Water: Fate, Residential Consumer: Overview, Tiers and Types: Methods
U.S. EPA. Exposure Model for Soil-Organic Fate and Transport (EMSOFT)	Calculating Exposure and Dose; Concentrations; Dermal; Exposure Assessment; Fate and Transport; Ingestion; Inhalation; Model; Multimedia; Organics; Scenario Evaluation; Screening and Refined; Soil and Dust	Dermal: Concentrations, Indirect Estimation: Concentrations, Indirect Estimation: Fate, Ingestion: Calculations, Ingestion: Concentrations, Inhalation: Concentrations, Media - Soil and Dust: Calculation, Media - Soil and Dust: Concentration, Media - Soil and Dust: Fate, Other Organics: Dioxins, Other Organics: Tools, Tiers and Types: Methods
U.S. EPA. EXPRESS (EXAMS - PRZM Exposure Simulation Shell)	Aquatic Biota; Calculation Tools; Concentrations; Food; Ingestion; Model; Pesticides; Screening and Refined; Surface Water; Water and Sediment	Ingestion: Concentrations, Media - Water: Concentration, Pesticides: Tools
U.S. EPA. Food and Gill Exchange of Toxic Substances (FGETS)	Aquatic Biota; Concentrations; Fate and Transport; Ingestion; Model	Ingestion: Concentrations, Media - Aquatic Biota: Concentration, Media - Aquatic Biota: Fate
U.S. EPA. Food Chain Models to Assess Exposures	Aquatic Biota; Concentrations; Fate and Transport; Food; Ingestion; Model; Scenario Evaluation; Water and Sediment	Indirect Estimation: Concentrations, Indirect Estimation: Fate, Ingestion: Concentrations, Media - Food: Fate
U.S. EPA. GCSOLAR Program	Concentrations; Dermal; Fate and Transport; Ingestion; Model; Surface Water; Water and Sediment	Dermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. Groundwater Models	Concentrations; Dermal; Fate and Transport; Ingestion; Model; Scenario Evaluation; Water and Sediment	Dermal: Concentrations, Indirect Estimation: Concentrations, Ingestion: Concentrations, Media - Water: Fate
U.S. EPA. Hazardous Air Pollutant Exposure Model (HAPEM)	Air; Concentrations; Inhalation; Model; Scenario Evaluation; Screening and Refined; Sources and Releases	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Tiers and Types: Methods
U.S. EPA. Hydrodynamic, Sediment, and Contaminant Transport Model (HSCTM2D)	Concentrations; Dermal; Fate and Transport; Ingestion; Model; Surface Water; Water and Sediment	Dermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration, Media - Water: Fate
U.S. EPA. Industrial Waste Air Model (IWAIR)	Air; Calculating Exposure and Dose; Inhalation; Model; Occupational	Inhalation: Calculations, Occupational Worker: Overview
U.S. EPA. Industrial Waste Management Evaluation Model (IWEM)	Concentrations; Groundwater; Inhalation; Model; Water and Sediment	Media - Water: Concentration
U.S. EPA. Internet Geographical Exposure Modeling System (IGEMS)	Air; Concentrations; Dermal; Fate and Transport; Groundwater; Ingestion; Inhalation; Model; Multimedia; Scenario Evaluation; Soil and Dust; Sources and Releases; Surface Water; Water and Sediment	Dermal: Concentrations, Indirect Estimation: Concentrations, Indirect Estimation: Fate, Ingestion: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Media - Air: Fate, Media - Soil and Dust: Fate, Media - Water: Concentration, Media - Water: Fate
U.S. EPA. Lead at Superfund Sites: Software and Users' Manuals	Air; Biomonitoring; Calculating Exposure and Dose; Concentrations; Consumer Products; Food; Groundwater; Ingestion; Inhalation; Model; Older Adult; Soil and Dust; Sources and Releases; Surface Water; Water and Sediment; Women	Ingestion: Concentrations, Inhalation: Concentrations, Inorganics and Fibers: Tools, Lifestage: Overview, Media - Air: Concentration, Media - Consumer Products: Concentration, Media - Food: Concentration, Media - Soil and Dust: Concentration, Media - Water: Concentration
U.S. EPA. Models for Pesticide Risk Assessment: Aquatic Models	Aquatic Biota; Calculating Exposure and Dose; Calculation Tools; Concentrations; Groundwater; Model; Pesticides; Scenario Evaluation; Screening and Refined; Surface Water	Media - Aquatic Biota: Concentration, Pesticides: Tools, Tiers and Types: Methods
U.S. EPA. MOtor Vehicle Emission Simulator (MOVES) Model and Other Mobile Source Emissions Models	Air; Concentrations; Inhalation; Model; Organics; Outdoor Air; Scenario Evaluation; Sources and Releases	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Other Organics: Hydrocarbons, Other Organics: Vvoc
U.S. EPA. Multi-Chamber Concentration And Exposure Model (MCCEM)	Air; Calculating Exposure and Dose; Concentrations; Consumer Products; Indoor Air; Ingestion; Inhalation; Model; Residential Consumer; Scenario Evaluation; Screening and Refined; Sources and Releases	Indirect Estimation: Concentrations, Ingestion: Calculations, Inhalation: Calculations, Media - Air: Calculation, Media - Air: Concentration, Media - Consumer Products: Calculation, Residential Consumer: Overview, Tiers and Types: Methods
U.S. EPA. Multimedia Contaminant Fate, Transport, and Exposure Model (MMSOILS)	Calculating Exposure and Dose; Fate and Transport; Ingestion; Model; Multimedia; Screening and Refined; Soil and Dust	Ingestion: Calculations, Media - Soil and Dust: Calculation, Media - Soil and Dust: Fate
U.S. EPA. Multimedia Models to Assess Exposures	Aquatic Biota; Concentrations; Consumer Products; Dermal; Fate and Transport; Food; Ingestion; Inhalation; Model; Multimedia; Soil and Dust; Water and Sediment	Dermal: Concentrations, Indirect Estimation: Fate, Ingestion: Concentrations, Inhalation: Concentrations, Media - Aquatic Biota: Fate, Media - Food: Fate, Media - Water: Fate
U.S. EPA. Nutrient Pollution Policy and Data	Concentrations; Data Source; Ecological Risk Assessment; Human Health Risk Assessment; Model; Other (e.g., Guidance, Methods); Phys./Chem.; Sources and Releases; Water and Sediment	Media - Water: Sources
U.S. EPA. OncoLogic - A Computer System to Evaluate the Carcinogenic Potential of Chemicals	Calculation Tools; Inorganics and Fibers; Model; Organics	Inorganics and Fibers: Tools, Other Organics: Tools, Pesticides: Tools
U.S. EPA. OnSite: Modeling Subsurface Petroleum Hydrocarbon Transport	Model; Organics	Other Organics: Hydrocarbons
U.S. EPA. PRZM3 Model	Calculation Tools; Concentrations; Fate and Transport; Food; Groundwater; Ingestion; Model; Pesticides; Soil and Dust; Surface Water; Water and Sediment	Ingestion: Concentrations, Media - Food: Concentration, Media - Soil and Dust: Fate, Media - Water: Concentration, Pesticides: Tools
U.S. EPA. ReachScan	Aquatic Biota; Calculating Exposure and Dose; Concentrations; Data Source; Ingestion; Model; Scenario Evaluation; Screening and Refined; Surface Water; Water and Sediment	Indirect Estimation: Concentrations, Ingestion: Calculations, Ingestion: Concentrations, Media - Aquatic Biota: Calculation, Media - Water: Concentration, Tiers and Types: Methods
U.S. EPA. Risk Assessment and Modeling – Human Exposure Model (HEM)	Air; Calculating Exposure and Dose; Concentrations; Inhalation; Model; Scenario Evaluation; Screening and Refined; Sources and Releases	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Calculation, Media - Air: Concentration, Tiers and Types: Methods
U.S. EPA. RISK, Indoor Air Quality Model	Air; Concentrations; Inhalation; Model; Scenario Evaluation; Sources and Releases	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Screening Tool for Inhalation Risk (STIR)	Inhalation; Model; Screening and Refined	Tiers and Types: Methods
U.S. EPA. Spreadsheet-based Ecological Risk Assessment for the Fate of Mercury (SERAFM)	Aquatic Biota; Calculating Exposure and Dose; Concentrations; Fate and Transport; Ingestion; Inorganics and Fibers; Model; Surface Water; Water and Sediment	Ingestion: Calculations, Inorganics and Fibers: Tools, Media - Aquatic Biota: Calculation, Media - Aquatic Biota: Concentration, Media - Aquatic Biota: Fate, Media - Water: Calculations, Media - Water: Concentration
U.S. EPA. Stormwater Management Model (SWMM)	Concentrations; Dermal; Fate and Transport; Ingestion; Model; Surface Water; Water and Sediment	Dermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. Support Center for Regulatory Atmospheric Modeling (SCRAM)	Air; Concentrations; Inhalation; Model; Sources and Releases	Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Support Center for Regulatory Atmospheric Modeling – Air Quality Models	Air; Concentrations; Fate and Transport; Inhalation; Model; Other (e.g., Guidance, Methods); Scenario Evaluation; Sources and Releases	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Surface Water Models to Assess Exposures	Concentrations; Dermal; Fate and Transport; Ingestion; Model; Scenario Evaluation; Water and Sediment	Dermal: Concentrations, Indirect Estimation: Concentrations, Ingestion: Concentrations, Media - Water: Fate
U.S. EPA. Swimmer Exposure Assessment Model (SWIMODEL)	Calculating Exposure and Dose; Dermal; Indoor Air; Ingestion; Inhalation; Model; Pesticides; Residential Consumer; Screening and Refined; Water and Sediment	Dermal: Calculations, Ingestion: Calculations, Inhalation: Calculations, Media - Air: Calculation, Media - Water: Calculations, Residential Consumer: Overview, Tiers and Types: Methods
U.S. EPA. TANKS Model	Air; Concentrations; Inhalation; Inorganics and Fibers; Model; Organics; Outdoor Air; Sources and Releases	Inhalation: Concentrations, Inorganics and Fibers: Tools, Media - Air: Concentration, Other Organics: Hydrocarbons, Other Organics: Vvoc
U.S. EPA. Total Risk Integrated Methodology (TRIM) – TRIM.FaTE	Air; Aquatic Biota; Calculating Exposure and Dose; Concentrations; Dermal; Fate and Transport; Food; Groundwater; Ingestion; Inhalation; Model; Multimedia; Scenario Evaluation; Screening and Refined; Soil and Dust; Sources and Releases; Surface Water; Water and Sediment	Dermal: Concentrations, Indirect Estimation: Calculating, Indirect Estimation: Concentrations, Indirect Estimation: Fate, Ingestion: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Media - Air: Fate, Media - Aquatic Biota: Concentration, Media - Aquatic Biota: Fate, Media - Food: Concentration, Media - Food: Fate, Media - Soil and Dust: Concentration, Media - Soil and Dust: Fate, Media - Water: Concentration, Media - Water: Fate, Tiers and Types: Methods
U.S. EPA. Urban Airshed Model Variable Grid Urban Airshed Model (UAM-V); 7th Conference information	Model; Probabilistic	Tiers and Types: Methods
U.S. EPA. Virtual Beach (VB) Model	Concentrations; Dermal; Ingestion; Model; Surface Water; Water and Sediment	Dermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. Visual Plumes Model System	Concentrations; Dermal; Ingestion; Model; Sources and Releases; Surface Water; Water and Sediment	Dermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. Wall Paint Exposure Assessment Model (WPEM)	Air; Calculating Exposure and Dose; Consumer Products; Indoor Air; Ingestion; Inhalation; Model; Occupational; Residential Consumer; Scenario Evaluation; Screening and Refined; Sources and Releases	Indirect Estimation: Sources, Ingestion: Calculations, Inhalation: Calculations, Media - Air: Calculation, Media - Consumer Products: Calculation, Occupational Worker: Overview, Residential Consumer: Overview, Tiers and Types: Methods
U.S. EPA. WATER9 Model	Air; Concentrations; Inhalation; Model; Outdoor Air	Inhalation: Concentrations, Media - Air: Concentration, Media - Water: Guidance
U.S. EPA. Watershed Health Assessment Tools Investigating Fisheries (WHATIF) Models	Aquatic Biota; Concentrations; Fate and Transport; Ingestion; Model; Surface Water; Water and Sediment	Ingestion: Concentrations, Media - Aquatic Biota: Concentration, Media - Aquatic Biota: Fate, Media - Water: Concentration
U.S. EPA. Watershed Management Optimization Support Tool (WMOST)	Concentrations; Fate and Transport; Ingestion; Model; Surface Water; Water and Sediment	Ingestion: Concentrations Media - Water: Concentration
U.S. EPA. Wellhead Analytic Element Model (WhAEM)	Concentrations; Dermal; Groundwater; Ingestion; Model; Sources and Releases; Water and Sediment	Dermal: Concentrations Ingestion: Concentrations Media - Water: Concentration

Tools

Tool	Keywords	Year
Example Exposure Scenarios Tool	Exposure Scenarios	2004
EnviroAtlas	Well being	2017
Environmental Quality Index (EQI)	Well Being	2021
ExpoBox	Human Exposure	2013
ExpoFIRST	Scenarios Tool	2019
ExpoKids	Children's Health Risks	2021
Health Impact Assessments	Human Health	2021
Radionuclide Table: Radionuclide Carcinogenicity Slope Factors	Radiation	2001
Regional Removal Management Levels for Chemicals (RMLs)	Regional	Updated bi-annually
Regional Screening Table	Regional	Updated bi-annually

Databases


Tools	Keywords	Location in EPA EcoBox
U.S. EPA. Emission & Generation Resource Integrated Database (eGRID)	Air; Concentrations; Data Source; Inhalation; Scenario Evaluation; Sources and Releases	Indirect Estimation: Sources, Inhalation: Concentrations
U.S. EPA. (2004). Estimated Per Capita Water Ingestion and Body Weight in the United States— An Update: Based on Data Collected by the United States Department of Agriculture	Children; Data Source; Ingestion; Water and Sediment	Ingestion: Guidance
U.S. EPA. Acute Exposure Guideline Levels (AEGLs) Chemical Listing	Air; Data Source; Human Health Risk Assessment; Inhalation	Inhalation: Guidance Media - Air: Guidance
U.S. EPA. Air Quality System (AQS)	Air; Concentrations; Data Source; Inhalation; Scenario Evaluation	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. TSCA Section 4 Test Rules	Concentrations; Data Source; Ecological Risk Assessment; Human Health Risk Assessment; Inorganics and Fibers; Organics; Pesticides; Phys./Chem.; Sources	Inorganics and Fibers: Tools Other Organics: Tools Pesticides: Tools
U.S. EPA. Chemical Data Reporting (CDR)	Air; Concentrations; Consumer Products; Data Source; Dermal; Food; Ingestion; Inhalation; Inorganics and Fibers; Nanoscale Materials; Organics; Pesticides; Scenario Evaluation; Soil and Dust; Sources; Water and Sediment	Dermal: Concentrations, Indirect Estimation: Concentrations, Indirect Estimation: Sources, Ingestion: Concentrations, Inhalation: Concentrations, Inorganics and Fibers: Tools, Media - Air: Concentration, Media - Consumer Products: Concentration, Media - Food: Concentration, Media - Soil and Dust: Concentration, Media - Water: Concentration, Nanoscale Materials: Tools, Occupational Worker: Overview, Other Organics: Tools, Pesticides: Tools
U.S. EPA. Superfund Enterprise Management System (SEMS) search	Air; Data Source; Soil and Dust; Sources and Releases; Water and Sediment	Indirect Estimation: Sources
U.S. EPA. Building Assessment Survey and Evaluation (BASE) Study	Air; Concentrations; Data Source; Inhalation; Scenario Evaluation	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Other Organics: Tools, Other Organics: Vvoc
U.S. EPA. Wadeable Streams Assessment (WSA)	Concentrations; Data Source; Dermal; Ingestion; Other (e.g., Guidance, Methods); Sources and Releases; Water and Sediment	Dermal: Concentrations Ingestion: Concentrations Media - Water: Concentration
U.S. EPA. Ozone-Depleting Substances (ODS)	Air; Concentrations; Data Source; Inhalation; Scenario Evaluation; Sources and Releases	Indirect Estimation: Sources Inhalation: Concentrations
U.S. EPA. (2012). Occupational Pesticide Handler Exposure Data	Concentrations; Data Source; Exposure Assessment; Human Health Risk Assessment; Occupational; Other (e.g., Guidance, Methods); Pesticides; Phys./Chem.; Probabilistic; Screening and Refined	Occupational Worker: Overview Pesticides: Tools
U.S. EPA. Indexes to Part 180 Tolerance Information for Pesticide Chemicals in Food and Feed Commodities	Concentrations; Data Source; Pesticides	Pesticides: Tools
U.S. EPA. (2003). Consumer Products Treated with Pesticides	Consumer Products; Data Source; Guidance; Other (e.g., Guidance, Methods); Pesticides; Scenario Evaluation; Sources and Releases	Indirect Estimation: Sources Media - Consumer Products: Guidance Media - Consumer Products: Sources Pesticides: Tools
U.S. EPA. Chemical Property Values	Air; Data Source; Soil and Dust; Water and Sediment	Media - Air: Guidance Media - Soil and Dust: Guidance Media - Water: Guidance
Reevaluation: Review of Registered Pesticides	Data Source; Guidance; Other (e.g., Guidance, Methods); Pesticides	Pesticides: Tools
U.S. EPA. ( 2008). Mobile Source Observation Database (MSOD) User Guide and Reference	Air; Concentrations; Data Source; Inhalation; Organics; Outdoor Air; Scenario Evaluation; Sources and Releases	Indirect Estimation: Sources, Inhalation: Concentrations, Media - Air: Sources, Other Organics: Hydrocarbons, Other Organics: Vvoc
U.S. EPA. ( 2018). Air Emissions Sources	Air; Concentrations; Data Source; Inhalation; Other (e.g., Guidance, Methods); Outdoor Air; Sources and Releases	Inhalation: Concentrations Inorganics and Fibers: Tools Media - Air: Sources Other Organics: Tools
U.S. EPA. (1985). Aquatic Fate Process Data for Organic Priority Pollutants	Aquatic Biota; Data Source; Fate and Transport; Organics; Phys./Chem.; Water and Sediment	Media - Aquatic Biota: Concentration Media - Water: Fate
U.S. EPA. (1987). Total Exposure Assessment Methodology (TEAM) Study	Aggregate or Cumulative; Air; Biomonitoring; Biomonitoring/Exposure Reconstruction; Concentrations; Data Source; Dermal; Exposure Assessment; Food; Ingestion; Inhalation; Organics; Pesticides; Point of Contact; Scenario Evaluation; Water and Sediment	Dermal: Concentrations, Direct Measurement: Avadata, Exposure Reconstruction: Bio, Indirect Estimation: Concentrations, Ingestion: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Media - Food: Concentration, Other Organics: Vvoc, Pesticides: Tools, Tiers and Types: Methods
U.S. EPA. (1992). Pesticides in Ground Water Database (PGWDB): A Compilation of Monitoring Studies: 1971-1991 National Summary	Concentrations; Data Source; Dermal; Exposure Assessment; Ingestion; Pesticides; Scenario Evaluation; Water and Sediment	Dermal: Concentrations, Indirect Estimation: Concentrations, Ingestion: Concentrations, Media - Water: Concentration, Pesticides: Tools
U.S. EPA. (1994). Characteristics of School Buildings in the U.S.	Data Source; Data for Building Characteristics; Scenario Evaluation; Sources and Releases	Indirect Estimation: Populations
U.S. EPA. (2001). Exploration of Perinatal Pharmacokinetic Issues	Data Source; Fate and Transport; Food; Infant; Women	Lifestage: Overview Media - Food: Fate
U.S. EPA. (2003). Handbook for Use of Data from the National Health and Nutrition Examination Surveys (NHANES): A Goldmine of Data for Environmental Health Analyses	Biomonitoring/Exposure Reconstruction; Concentrations; Data Source; Other (e.g., Guidance, Methods)	Exposure Reconstruction: Bio
U.S. EPA. (2004). Biomarkers Database	Biomonitoring/Exposure Reconstruction; Data Source; Other (e.g., Guidance, Methods)	Exposure Reconstruction: Bio Exposure Reconstruction: Expo
U.S. EPA. (2008). Child-Specific Exposure Factors Handbook	Children; Data Source; Exposure Factors; Infant; Population (Activity)	Lifestage: Overview
U.S. EPA. (2009). Physiological Information Database (PID)	Biomonitoring/Exposure Reconstruction; Data Source; Model; Phys./Chem.	Exposure Reconstruction: Expo
U.S. EPA. (2010). Data Sources Available for Modeling Environmental Exposures in the Older Adult Population	Data Source; Older Adult	Lifestage: Overview
U.S. EPA. (2011). Exposure Factors Handbook	Data Source; Exposure Factors; General; Highly Exposed; Other (e.g., Guidance, Methods); Population (Activity)	General Populations: Overview Highly Exposed: Overview
U.S. EPA. Advisories and Technical Resources for Fish and Shellfish Consumption	Aquatic Biota; Data Source; Exposure Factors; Highly Exposed; Ingestion; Other (e.g., Guidance, Methods); Residential Consumer	Highly Exposed: Overview, Ingestion: Concentrations, Media - Aquatic Biota: Concentration, Media - Aquatic Biota: Guidance, Residential Consumer: Overview
U.S. EPA. Air Data: Air Quality Data Collected at Outdoor Monitors Across the US	Air; Concentrations; Data Source; Inhalation; Scenario Evaluation	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Air Toxics – National Air Toxics Trends Stations	Air; Concentrations; Data Source; Inhalation; Scenario Evaluation	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Analysis and Products from NHEXAS; National Human Exposure Assessment Survey	Aggregate or Cumulative; Biomonitoring; Biomonitoring/Exposure Reconstruction; Concentrations; Data Source; Dermal; Exposure Assessment; Food; General; Highly Exposed; Ingestion; Inhalation; Point of Contact; Water and Sediment	Dermal: Concentrations, Direct Measurement: Avadata, Exposure Reconstruction: Bio, General Populations: Overview, Highly Exposed: Overview, Ingestion: Concentrations, Inhalation: Concentrations, Media - Food: Concentration, Media - Water: Concentration, Tiers and Types: Methods
U.S. EPA. AP-42: Compilation of Air Pollutant Emission Factors	Air; Data Source; Outdoor Air; Sources and Releases	Media - Air: Sources
U.S. EPA. Chemical and Product Categories (CPCat) Database	Consumer Products; Data Source; Inorganics and Fibers; Organics; Pesticides; Sources	Inorganics and Fibers: Tools, Media - Consumer Products: Sources, Other Organics: Tools, Pesticides: Tools
U.S. EPA. ChemView	Data Source; Ecological Risk Assessment; Human Health Risk Assessment; Inorganics and Fibers; Organics; Pesticides; Phys./Chem.; Sources	Inorganics and Fibers: Tools Other Organics: Tools Pesticides: Tools
U.S. EPA. Clean Air Status and Trends Network (CASTNET) Data	Air; Concentrations; Data Source; Inhalation; Scenario Evaluation	Indirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Clearinghouse for Inventories and Emissions Factors (CHIEF)	Air; Concentrations; Data Source; Inhalation; Outdoor Air; Sources and Releases	Inhalation: Concentrations Media - Air: Concentration Media - Air: Sources
U.S. EPA. CompTox Chemicals Dashboard	Air; Biomonitoring/Exposure Reconstruction; Concentrations; Consumer Products; Data Source; Fate and Transport; Food; Inorganics and Fibers; Organics; Pesticides; Phys./Chem.; Scenario Evaluation; Soil and Dust; Sources; Water and Sediment	Dermal: Concentrations; Indirect Estimation: Concentrations; Ingestion: Concentrations; Inhalation: Concentrations; Inorganics and Fibers: Tools; Media - Air: Concentration; Media - Consumer Products: Concentration; Media - Consumer Products: Sources; Media - Food: Concentration; Media - Soil and Dust: Concentration; Media - Water: Concentration; Other Organics: Tools; Pesticides: Tools
U.S. EPA. Consolidated Human Activity Database (CHAD)	Activity Data; Data Source; Exposure Factors; General; Population (Activity); Scenario Evaluation	General Populations: Overview Indirect Estimation: Populations
U.S. EPA. Consumer Confidence Reports (CCR): Water Systems	Concentrations; Data Source; Exposure Factors; Ingestion; Water and Sediment	Ingestion: Concentrations Media - Water: Concentration
U.S. EPA. Database of Sources of Environmental Releases of Dioxin-Like Compounds in the United States	Air; Concentrations; Data Source; Exposure Assessment; Inhalation; Organics; Scenario Evaluation; Sources and Releases	Indirect Estimation: Sources Inhalation: Concentrations Other Organics: Dioxins
U.S. EPA. Discharge Monitoring Report (DMR) Pollutant Loading Tool	Data Source; Sources and Releases; Water and Sediment	Media - Water: Sources
U.S. EPA. Distributed Structure-Searchable Toxicity (DSSTox) Database	Data Source; Ecological Risk Assessment; Human Health Risk Assessment; Inorganics and Fibers; Organics; Pesticides; Phys./Chem.; Sources	Inorganics and Fibers: Tools Other Organics: Tools Pesticides: Tools
U.S. EPA. Drinking Water Mapping Application to Protect Source Waters (DWMAPS)	Concentrations; Data Source; Drinking Water; Ingestion; Scenario Evaluation; Sources and Releases; Water and Sediment	Indirect Estimation: Concentrations; Indirect Estimation: Sources; Ingestion: Concentrations; Ingestion: Guidance; Media - Water: Concentration; Media - Water: Sources
U.S. EPA. Drinking Water Treatability Database (TDB)	Concentrations; Data Source; Drinking Water; Ingestion; Scenario Evaluation; Sources and Releases; Water and Sediment	Indirect Estimation: Sources Ingestion: Guidance Media - Water: Concentration Media - Water: Guidance Media - Water: Sources
U.S. EPA. Enforcement and Compliance History Online (ECHO)	Data Source; Scenario Evaluation; Sources and Releases; Water and Sediment	Indirect Estimation: Sources Media - Water: Sources
U.S. EPA. Envirofacts	Air; Concentrations; Data Source; Soil and Dust; Sources and Releases; Water and Sediment	Indirect Estimation: Concentrations; Indirect Estimation: Sources; Media - Air: Concentration; Media - Air: Sources; Media - Soil and Dust: Concentration; Media - Water: Concentration; Media - Water: Sources
U.S. EPA. Formaldehyde website	Concentrations; Consumer Products; Data Source; Inhalation; Organics; Sources and Releases	Inhalation: Guidance Media - Consumer Products: Sources
U.S. EPA. Great Lakes Fish Monitoring and Surveillance Program (GLFMSP)	Aquatic Biota; Concentrations; Data Source	Media - Aquatic Biota: Concentration
U.S. EPA. Health Effects Assessment Summary Tables (HEAST)	Aquatic Biota; Consumer Products; Data Source; Food; Human Health Risk Assessment; Ingestion; Inhalation; Inorganics and Fibers; Organics; Pesticides; Phys./Chem.; Soil and Dust; Water and Sediment	Ingestion: Guidance Inhalation: Guidance Inorganics and Fibers: Tools Other Organics: Tools
U.S. EPA. Human Health Benchmarks for Pesticides	Concentrations; Data Source; General; Human Health Risk Assessment; Other (e.g., Guidance, Methods); Pesticides; Phys./Chem.; Water and Sediment	Pesticides: Tools
U.S. EPA. Human Health Water Quality Criteria and Methods for Toxics	Aquatic Biota; Calculating Exposure and Dose; Concentrations; Data Source; Fate and Transport; Ingestion; Inorganics and Fibers; Organics; Other (e.g., Guidance, Methods); Pesticides; Scenario Evaluation; Water and Sediment	Indirect Estimation: Concentrations; Indirect Estimation: Fate; Ingestion: Calculations; Ingestion: Guidance; Media - Aquatic Biota: Calculation; Media - Aquatic Biota: Guidance; Media - Water: Calculations; Media - Water: Guidance
U.S. EPA. Integrated Risk Information System (IRIS)	Data Source; Guidance; Human Health Risk Assessment; Inorganics and Fibers; Organics; Pesticides; Phys./Chem.	Inorganics and Fibers: Tools Other Organics: Tools
U.S. EPA. Microbial (Pathogen)/Recreational Water Quality Criteria	Aquatic Biota; Calculating Exposure and Dose; Concentrations; Data Source; Dermal; Ingestion; Other (e.g., Guidance, Methods); Residential Consumer; Scenario Evaluation; Water and Sediment	Dermal: Calculations; Dermal: Guidance; Indirect Estimation: Concentrations; Ingestion: Calculations; Ingestion: Guidance; Media - Aquatic Biota: Calculation; Media - Aquatic Biota: Guidance; Media - Water: Calculations; Media - Water: Guidance; Residential Consumer: Overview
U.S. EPA. Monitoring the Occurrence of Unregulated Drinking Water Contaminants: Occurrence and Reporting Data	Concentrations; Data Source; Scenario Evaluation; Water and Sediment	Indirect Estimation: Concentrations
U.S. EPA. National Air Quality: Status and Trends of Key Air Pollutants	Air; Concentrations; Data Source; Inhalation; Scenario Evaluation	Indirect Estimation: Concentrations Inhalation: Concentrations
U.S. EPA. National Air Toxics Assessments (NATA)	Air; Concentrations; Data Source; Inhalation; Other (e.g., Guidance, Methods); Screening and Refined; Sources and Releases	Inhalation: Concentrations Media - Air: Concentration Media - Air: Sources
U.S. EPA. National Contaminant Occurrence Database (NCOD)	Concentrations; Data Source; Dermal; Ingestion; Scenario Evaluation; Water and Sediment	Dermal: Concentrations; Indirect Estimation: Concentrations; Ingestion: Concentrations; Media - Water: Concentration
U.S. EPA. National Emission Inventory (NEI)	Air; Concentrations; Data Source; Inhalation; Outdoor Air; Scenario Evaluation; Sources and Releases	Indirect Estimation: Sources Inhalation: Concentrations Media - Air: Sources
U.S. EPA. National Human Adipose Tissue Survey (NHATS)	Biomonitoring; Biomonitoring/Exposure Reconstruction; Concentrations; Data Source; Exposure Assessment	Exposure Reconstruction: Bio
U.S. EPA. National Lakes Assessment	Concentrations; Data Source; Dermal; Ingestion; Other (e.g., Guidance, Methods); Water and Sediment	Dermal: Concentrations Ingestion: Concentrations Media - Water: Concentration
U.S. EPA. National Rivers and Streams Assessment (NRSA)	Concentrations; Data Source; Dermal; Ingestion; Other (e.g., Guidance, Methods); Water and Sediment	Dermal: Concentrations Ingestion: Concentrations Media - Water: Concentration
U.S. EPA. National Study of Chemical Residues in Lake Fish Tissue	Aquatic Biota; Concentrations; Data Source; Ecological Risk Assessment; Human Health Risk Assessment; Ingestion; Inorganics and Fibers; Organics; Pesticides; Scenario Evaluation	Indirect Estimation: Concentrations; Ingestion: Concentrations; Ingestion: Guidance; Inorganics and Fibers: Tools; Media - Aquatic Biota: Concentration; Other Organics: Dioxins
U.S. EPA. National Wetland Condition Assessment	Concentrations; Data Source; Dermal; Ingestion; Other (e.g., Guidance, Methods); Water and Sediment	Dermal: Concentrations Ingestion: Concentrations Media - Water: Concentration
U.S. EPA. Nutrient Pollution Policy and Data	Concentrations; Data Source; Ecological Risk Assessment; Human Health Risk Assessment; Model; Other (e.g., Guidance, Methods); Phys./Chem.; Sources and Releases; Water and Sediment	Media - Water: Sources
U.S. EPA. PCS-ICIS	Data Source; Scenario Evaluation; Sources and Releases; Water and Sediment	Indirect Estimation: Sources Media - Water: Sources
U.S. EPA. Pesticide Chemical Search Database	Data Source; Exposure Assessment; Pesticides; Phys./Chem.; Sources	Pesticides: Tools
U.S. EPA. Pesticide Industry Sales and Usage Information 2006 and 2007 Market Estimates	Data Source; Food; Pesticides; Sources; Sources and Releases	Media - Food: Sources Pesticides: Tools
U.S. EPA. Pesticide Product and Label System (PPLS)	Concentrations; Data Source; Pesticides; Sources	Pesticides: Tools
U.S. EPA. RadNet	Air; Concentrations; Data Source; Dermal; Food; Ingestion; Inhalation; Scenario Evaluation; Water and Sediment	Dermal: Concentrations; Indirect Estimation: Concentrations; Ingestion: Concentrations; Inhalation: Concentrations; Media - Air: Concentration; Media - Food: Concentration; Media - Water: Concentration
U.S. EPA. ReachScan	Aquatic Biota; Calculating Exposure and Dose; Concentrations; Data Source; Ingestion; Model; Scenario Evaluation; Screening and Refined; Surface Water; Water and Sediment	Indirect Estimation: Concentrations; Ingestion: Calculations; Ingestion: Concentrations; Media - Aquatic Biota: Calculation; Media - Water: Concentration; Tiers and Types: Methods
U.S. EPA. Reviewing New Chemicals under the Toxic Substances Control Act (TSCA)	Consumer Products; Data Source; Exposure Assessment; Screening and Refined	Media - Consumer Products: Guidance
U.S. EPA. Safe Drinking Water Information System (SDWIS)	Concentrations; Data Source; Ingestion; Water and Sediment	Ingestion: Concentrations Media - Water: Concentration
U.S. EPA. Source Ranking Database	Air; Concentrations; Consumer Products; Data Source; Inhalation; Outdoor Air; Scenario Evaluation; Sources and Releases	Indirect Estimation: Sources; Inhalation: Concentrations; Media - Air: Sources; Media - Consumer Products: Sources
U.S. EPA. SPECIATE Database	Air; Concentrations; Data Source; Inhalation; Scenario Evaluation; Sources and Releases	Indirect Estimation: Sources Inhalation: Concentrations
U.S. EPA. Substance Registry Services (SRS)	Data Source; Fate and Transport; Inorganics and Fibers; Organics; Pesticides; Phys./Chem.	Inorganics and Fibers: Tools Other Organics: Tools Pesticides: Tools
U.S. EPA. The Facility Registry Service (FRS) Query Page	Air; Concentrations; Data Source; Inhalation; Outdoor Air; Scenario Evaluation; Sources and Releases	Indirect Estimation: Sources Inhalation: Concentrations Media - Air: Sources
U.S. EPA. The Particle Team (PTEAM) Study: Analysis of the Data	Concentrations; Data Source; Exposure Assessment; Inhalation; Point of Contact	Direct Measurement: Avadata
U.S. EPA. Toxicity Forecasting	Data Source; Exposure Assessment; Human Health Risk Assessment; Inorganics and Fibers; Organics; Pesticides; Phys./Chem.; Sources	Inorganics and Fibers: Tools Other Organics: Tools Pesticides: Tools
U.S. EPA. Toxics Release Inventory (TRI) Program	Air; Concentrations; Data Source; Inorganics and Fibers; Organics; Outdoor Air; Pesticides; Scenario Evaluation; Soil and Dust; Sources; Sources and Releases; Water and Sediment	Indirect Estimation: Concentrations; Indirect Estimation: Sources; Inorganics and Fibers: Tools; Media - Air: Concentration; Media - Air: Sources; Media - Soil and Dust: Concentration; Media - Water: Concentration; Media - Water: Sources; Other Organics: Tools; Pesticides: Tools
U.S. EPA. Water Quality Criteria	Aquatic Biota; Calculating Exposure and Dose; Data Source; Ecological Risk Assessment; Human Health Risk Assessment; Ingestion; Inorganics and Fibers; Organics; Other (e.g., Guidance, Methods); Pesticides; Phys./Chem.; Water and Sediment	Ingestion: Calculations; Ingestion: Guidance; Media - Aquatic Biota: Calculation; Media - Aquatic Biota: Guidance; Media - Water: Calculations; Media - Water: Guidance
U.S. EPA. Water Quality Portal (WQP)	Concentrations; Data Source; Dermal; Fate and Transport; Ingestion; Phys./Chem.; Scenario Evaluation; Water and Sediment	Dermal: Concentrations; Indirect Estimation: Concentrations; Indirect Estimation: Fate; Ingestion: Concentrations; Media - Water: Concentration
U.S. EPA. Watershed Assessment, Tracking & Environmental ResultS (WATERS)	Data Source; Water and Sediment	Media - Water: Guidance

Additional Information

These pages 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.

Human Health Risk Models and Tools

Models

Tools

Databases

Additional Information

Risk Assessment