Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Guidance
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Risk Assessment

Human Health Risk Models and Tools

Risk Tools
  • Human Health
  • Ecological

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
ToolsKeywordsLocation 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 ReleasesIndirect 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 ReleasesIndirect 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 SedimentDermal: 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 SedimentDermal: 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 SedimentDermal: 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 SedimentDermal: 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; ModelHighly Exposed: Overview, Tiers and Types: Methods
U.S. EPA. Models for Pesticide Risk Assessment: Atmospheric ModelsAir; Concentrations; Inhalation; Model; Pesticides; Scenario Evaluation; Sources and Releases; Water and SedimentIndirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Pesticides: Tools
U.S. EPA. Models for Pesticide Risk Assessment: Health Effects ModelsCalculating Exposure and Dose; Calculation Tools; Exposure Factors; Food; Ingestion; Model; Pesticides; Water and SedimentIngestion: Calculations, Media - Food: Calculation, Media - Water: Calculations, Pesticides: Tools
U.S. EPA. Models for Pesticide Risk Assessment: Terrestrial ModelsAquatic Biota; Concentrations; Dermal; Fate and Transport; Food; Ingestion; Model; Pesticides; Scenario Evaluation; Soil and Dust; Water and SedimentDermal: 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 AssessmentAir; 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 SedimentDermal: 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 AirInhalation: Calculations, Media - Air: Calculation
U.S. EPA. Integrated Exposure Uptake Biokinetic (IEUBK) Model for Lead in ChildrenAir; 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 SedimentIngestion: 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 ModelCalculation Tools; Ecological Risk Assessment; Model; Organics; Pesticides; Phys./Chem.Other Organics: Tools, Pesticides: Tools
U.S. EPA. Estimation Program Interface (EPI) SuiteAir; 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 SedimentDermal: 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; OrganicsOther Organics: Hydrocarbons
Environmental Measurements and Modeling: Environmental ModelingConcentrations; Fate and Transport; Model; Other (e.g., Guidance, Methods); Scenario EvaluationIndirect 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 ModelAggregate or Cumulative; Model; ProbabilisticTiers and Types: Methods, Tiers and Types: Methods
The Lifeline Group. LifeLine Customized Dietary Assessment Software™ (Archived)Calculating Exposure and Dose; Food; Ingestion; ModelIngestion: 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 SedimentDermal: 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; WomenDermal: 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 3.0Air; Concentrations; Drinking Water; General; Ingestion; Inhalation; Model; Population (Demographic); Scenario EvaluationGeneral Populations: Overview, Highly Exposed: Overview, Indirect Estimation: Concentrations, Ingestion: Concentrations, Inhalation: Concentrations, Lifestage: Overview, Other Organics: Tools
U.S. EPA. 3DFEMWATER and 3DELWASTEConcentrations; Dermal; Groundwater; Ingestion; Model; Water and SedimentDermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. AERMOD Modeling SystemAir; Concentrations; Inhalation; Model; Scenario Evaluation; Sources and ReleasesIndirect 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 EvaluationIndirect 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 ReleasesIndirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration, Media - Air: Fate
U.S. EPA. AQUATOX ModelAquatic Biota; Fate and Transport; Inorganics and Fibers; Model; Organics; Water and SedimentInorganics 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) ModelConcentrations; Dermal; Fate and Transport; Ingestion; Model; Surface Water; Water and SedimentDermal: 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; ModelIngestion: 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 SedimentDermal: 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 ReleasesIndirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. DFLOW ModelFate and Transport; Model; Water and SedimentMedia - Water: Fate
U.S. EPA. Emission Estimation ToolsAir; Exposure Assessment; Model; Organics; Outdoor AirMedia - Air: Sources, Other Organics: Tools
U.S. EPA. Environmental Fluid Dynamics Codes (EFDC)Concentrations; Dermal; Fate and Transport; Ingestion; Model; Surface Water; Water and SedimentDermal: 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 SedimentDermal: 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 DustDermal: 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 SedimentIngestion: Concentrations, Media - Water: Concentration, Pesticides: Tools
U.S. EPA. Food and Gill Exchange of Toxic Substances (FGETS)Aquatic Biota; Concentrations; Fate and Transport; Ingestion; ModelIngestion: Concentrations, Media - Aquatic Biota: Concentration, Media - Aquatic Biota: Fate
U.S. EPA. Food Chain Models to Assess ExposuresAquatic Biota; Concentrations; Fate and Transport; Food; Ingestion; Model; Scenario Evaluation; Water and SedimentIndirect Estimation: Concentrations, Indirect Estimation: Fate, Ingestion: Concentrations, Media - Food: Fate
U.S. EPA. GCSOLAR ProgramConcentrations; Dermal; Fate and Transport; Ingestion; Model; Surface Water; Water and SedimentDermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. Groundwater ModelsConcentrations; Dermal; Fate and Transport; Ingestion; Model; Scenario Evaluation; Water and SedimentDermal: 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 ReleasesIndirect 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 SedimentDermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration, Media - Water: Fate
U.S. EPA. Industrial Waste Air Model (IWAIR)Air; Calculating Exposure and Dose; Inhalation; Model; OccupationalInhalation: Calculations, Occupational Worker: Overview
U.S. EPA. Industrial Waste Management Evaluation Model (IWEM)Concentrations; Groundwater; Inhalation; Model; Water and SedimentMedia - 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 SedimentDermal: 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' ManualsAir; 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; WomenIngestion: 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 ModelsAquatic Biota; Calculating Exposure and Dose; Calculation Tools; Concentrations; Groundwater; Model; Pesticides; Scenario Evaluation; Screening and Refined; Surface WaterMedia - Aquatic Biota: Concentration, Pesticides: Tools, Tiers and Types: Methods
U.S. EPA. MOtor Vehicle Emission Simulator (MOVES) Model and Other Mobile Source Emissions ModelsAir; Concentrations; Inhalation; Model; Organics; Outdoor Air; Scenario Evaluation; Sources and ReleasesIndirect 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 ReleasesIndirect 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 DustIngestion: Calculations, Media - Soil and Dust: Calculation, Media - Soil and Dust: Fate
U.S. EPA. Multimedia Models to Assess ExposuresAquatic Biota; Concentrations; Consumer Products; Dermal; Fate and Transport; Food; Ingestion; Inhalation; Model; Multimedia; Soil and Dust; Water and SedimentDermal: 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 DataConcentrations; Data Source; Ecological Risk Assessment; Human Health Risk Assessment; Model; Other (e.g., Guidance, Methods); Phys./Chem.; Sources and Releases; Water and SedimentMedia - Water: Sources
U.S. EPA. OncoLogic - A Computer System to Evaluate the Carcinogenic Potential of ChemicalsCalculation Tools; Inorganics and Fibers; Model; OrganicsInorganics and Fibers: Tools, Other Organics: Tools, Pesticides: Tools
U.S. EPA. OnSite: Modeling Subsurface Petroleum Hydrocarbon TransportModel; OrganicsOther Organics: Hydrocarbons
U.S. EPA. PRZM3 ModelCalculation Tools; Concentrations; Fate and Transport; Food; Groundwater; Ingestion; Model; Pesticides; Soil and Dust; Surface Water; Water and SedimentIngestion: Concentrations, Media - Food: Concentration, Media - Soil and Dust: Fate, Media - Water: Concentration, Pesticides: Tools
U.S. EPA. ReachScanAquatic Biota; Calculating Exposure and Dose; Concentrations; Data Source; Ingestion; Model; Scenario Evaluation; Screening and Refined; Surface Water; Water and SedimentIndirect 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 ReleasesIndirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Calculation, Media - Air: Concentration, Tiers and Types: Methods
U.S. EPA. RISK, Indoor Air Quality ModelAir; Concentrations; Inhalation; Model; Scenario Evaluation; Sources and ReleasesIndirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Screening Tool for Inhalation Risk (STIR)Inhalation; Model; Screening and RefinedTiers 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 SedimentIngestion: 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 SedimentDermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. Support Center for Regulatory Atmospheric Modeling (SCRAM)Air; Concentrations; Inhalation; Model; Sources and ReleasesInhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Support Center for Regulatory Atmospheric Modeling – Air Quality ModelsAir; Concentrations; Fate and Transport; Inhalation; Model; Other (e.g., Guidance, Methods); Scenario Evaluation; Sources and ReleasesIndirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Surface Water Models to Assess ExposuresConcentrations; Dermal; Fate and Transport; Ingestion; Model; Scenario Evaluation; Water and SedimentDermal: 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 SedimentDermal: Calculations, Ingestion: Calculations, Inhalation: Calculations, Media - Air: Calculation, Media - Water: Calculations, Residential Consumer: Overview, Tiers and Types: Methods
U.S. EPA. TANKS ModelAir; Concentrations; Inhalation; Inorganics and Fibers; Model; Organics; Outdoor Air; Sources and ReleasesInhalation: Concentrations, Inorganics and Fibers: Tools, Media - Air: Concentration, Other Organics: Hydrocarbons, Other Organics: Vvoc
U.S. EPA. Total Risk Integrated Methodology (TRIM) – TRIM.FaTEAir; 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 SedimentDermal: 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 informationModel; ProbabilisticTiers and Types: Methods
U.S. EPA. Virtual Beach (VB) ModelConcentrations; Dermal; Ingestion; Model; Surface Water; Water and SedimentDermal: Concentrations, Ingestion: Concentrations, Media - Water: Concentration
U.S. EPA. Visual Plumes Model SystemConcentrations; Dermal; Ingestion; Model; Sources and Releases; Surface Water; Water and SedimentDermal: 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 ReleasesIndirect 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 ModelAir; Concentrations; Inhalation; Model; Outdoor AirInhalation: Concentrations, Media - Air: Concentration, Media - Water: Guidance
U.S. EPA. Watershed Health Assessment Tools Investigating Fisheries (WHATIF) ModelsAquatic Biota; Concentrations; Fate and Transport; Ingestion; Model; Surface Water; Water and SedimentIngestion: 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

ToolKeywordsYear
All Ages Lead Model - AALMLead, Water2024
Example Exposure Scenarios ToolExposure Scenarios2004
​EnviroAtlasWell being2017
Environmental Quality Index (EQI)Well Being2021
ExpoBoxHuman Exposure2013
ExpoFIRSTScenarios Tool2019
ExpoKidsChildren's Health Risks2021
Health Impact AssessmentsHuman Health2021
Radionuclide Table: Radionuclide Carcinogenicity Slope FactorsRadiation2001
Regional Removal Management Levels for Chemicals (RMLs)RegionalUpdated
bi-annually
Regional Screening TableRegionalUpdated
bi-annually

Databases

 
ToolsKeywordsLocation in EPA EcoBox
U.S. EPA. Emission & Generation Resource Integrated Database (eGRID)Air; Concentrations; Data Source; Inhalation; Scenario Evaluation; Sources and ReleasesIndirect 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 AgricultureChildren; Data Source; Ingestion; Water and SedimentIngestion: Guidance
U.S. EPA. Acute Exposure Guideline Levels (AEGLs) Chemical ListingAir; 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 EvaluationIndirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. TSCA Section 4 Test RulesConcentrations; 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 SedimentDermal: 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) searchAir; Data Source; Soil and Dust; Sources and Releases; Water and SedimentIndirect Estimation: Sources
U.S. EPA. Building Assessment Survey and Evaluation (BASE) StudyAir; Concentrations; Data Source; Inhalation; Scenario EvaluationIndirect 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 DataConcentrations; 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 CommoditiesConcentrations; Data Source; PesticidesPesticides: Tools
U.S. EPA. (2003). Consumer Products Treated with PesticidesConsumer 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 ValuesAir; Data Source; Soil and Dust; Water and Sediment

Media - Air: Guidance

Media - Soil and Dust: Guidance

Media - Water: Guidance

Reevaluation: Review of Registered PesticidesData Source; Guidance; Other (e.g., Guidance, Methods); PesticidesPesticides: Tools
U.S. EPA. ( 2008). Mobile Source Observation Database (MSOD) User Guide and ReferenceAir; Concentrations; Data Source; Inhalation; Organics; Outdoor Air; Scenario Evaluation; Sources and ReleasesIndirect Estimation: Sources, Inhalation: Concentrations, Media - Air: Sources, Other Organics: Hydrocarbons, Other Organics: Vvoc
U.S. EPA. ( 2018). Air Emissions SourcesAir; 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 PollutantsAquatic 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) StudyAggregate 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 SedimentDermal: 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 SummaryConcentrations; Data Source; Dermal; Exposure Assessment; Ingestion; Pesticides; Scenario Evaluation; Water and SedimentDermal: 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 ReleasesIndirect Estimation: Populations
U.S. EPA. (2001). Exploration of Perinatal Pharmacokinetic IssuesData 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 AnalysesBiomonitoring/Exposure Reconstruction; Concentrations; Data Source; Other (e.g., Guidance, Methods)Exposure Reconstruction: Bio
U.S. EPA. (2004). Biomarkers DatabaseBiomonitoring/Exposure Reconstruction; Data Source; Other (e.g., Guidance, Methods)

Exposure Reconstruction: Bio

Exposure Reconstruction: Expo

U.S. EPA. (2008). Child-Specific Exposure Factors HandbookChildren; 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 PopulationData Source; Older AdultLifestage: Overview
U.S. EPA. (2011). Exposure Factors HandbookData 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 ConsumptionAquatic Biota; Data Source; Exposure Factors; Highly Exposed; Ingestion; Other (e.g., Guidance, Methods); Residential ConsumerHighly 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 USAir; Concentrations; Data Source; Inhalation; Scenario EvaluationIndirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Air Toxics – National Air Toxics Trends StationsAir; Concentrations; Data Source; Inhalation; Scenario EvaluationIndirect Estimation: Concentrations, Inhalation: Concentrations, Media - Air: Concentration
U.S. EPA. Analysis and Products from NHEXAS; National Human Exposure Assessment SurveyAggregate or Cumulative; Biomonitoring; Biomonitoring/Exposure Reconstruction; Concentrations; Data Source; Dermal; Exposure Assessment; Food; General; Highly Exposed; Ingestion; Inhalation; Point of Contact; Water and SedimentDermal: 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 FactorsAir; Data Source; Outdoor Air; Sources and ReleasesMedia - Air: Sources
U.S. EPA. Chemical and Product Categories (CPCat) DatabaseConsumer Products; Data Source; Inorganics and Fibers; Organics; Pesticides; SourcesInorganics and Fibers: Tools, Media - Consumer Products: Sources, Other Organics: Tools, Pesticides: Tools
U.S. EPA. ChemViewData 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) DataAir; Concentrations; Data Source; Inhalation; Scenario EvaluationIndirect 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 DashboardAir; 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 SedimentDermal: 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 SystemsConcentrations; 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 StatesAir; 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 ToolData Source; Sources and Releases; Water and SedimentMedia - Water: Sources
U.S. EPA. Distributed Structure-Searchable Toxicity (DSSTox) DatabaseData 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 SedimentIndirect 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. EnvirofactsAir; Concentrations; Data Source; Soil and Dust; Sources and Releases; Water and SedimentIndirect 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 websiteConcentrations; 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 SourceMedia - 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 PesticidesConcentrations; Data Source; General; Human Health Risk Assessment; Other (e.g., Guidance, Methods); Pesticides; Phys./Chem.; Water and SedimentPesticides: Tools
U.S. EPA. Human Health Water Quality Criteria and Methods for ToxicsAquatic 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 SedimentIndirect 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 CriteriaAquatic Biota; Calculating Exposure and Dose; Concentrations; Data Source; Dermal; Ingestion; Other (e.g., Guidance, Methods); Residential Consumer; Scenario Evaluation; Water and SedimentDermal: 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 DataConcentrations; Data Source; Scenario Evaluation; Water and SedimentIndirect Estimation: Concentrations
U.S. EPA. National Air Quality: Status and Trends of Key Air PollutantsAir; 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 SedimentDermal: 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 AssessmentExposure Reconstruction: Bio
U.S. EPA. National Lakes AssessmentConcentrations; 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 TissueAquatic Biota; Concentrations; Data Source; Ecological Risk Assessment; Human Health Risk Assessment; Ingestion; Inorganics and Fibers; Organics; Pesticides; Scenario EvaluationIndirect Estimation: Concentrations; Ingestion: Concentrations; Ingestion: Guidance; Inorganics and Fibers: Tools; Media - Aquatic Biota: Concentration; Other Organics: Dioxins
U.S. EPA. National Wetland Condition AssessmentConcentrations; 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 DataConcentrations; Data Source; Ecological Risk Assessment; Human Health Risk Assessment; Model; Other (e.g., Guidance, Methods); Phys./Chem.; Sources and Releases; Water and SedimentMedia - Water: Sources
U.S. EPA. PCS-ICISData Source; Scenario Evaluation; Sources and Releases; Water and Sediment

Indirect Estimation: Sources

Media - Water: Sources

U.S. EPA. Pesticide Chemical Search DatabaseData Source; Exposure Assessment; Pesticides; Phys./Chem.; SourcesPesticides: Tools
U.S. EPA. Pesticide Industry Sales and Usage Information 2006 and 2007 Market EstimatesData 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; SourcesPesticides: Tools
U.S. EPA. RadNetAir; Concentrations; Data Source; Dermal; Food; Ingestion; Inhalation; Scenario Evaluation; Water and SedimentDermal: Concentrations; Indirect Estimation: Concentrations; Ingestion: Concentrations; Inhalation: Concentrations; Media - Air: Concentration; Media - Food: Concentration; Media - Water: Concentration
U.S. EPA. ReachScanAquatic Biota; Calculating Exposure and Dose; Concentrations; Data Source; Ingestion; Model; Scenario Evaluation; Screening and Refined; Surface Water; Water and SedimentIndirect 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 RefinedMedia - 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 DatabaseAir; Concentrations; Consumer Products; Data Source; Inhalation; Outdoor Air; Scenario Evaluation; Sources and ReleasesIndirect Estimation: Sources; Inhalation: Concentrations; Media - Air: Sources; Media - Consumer Products: Sources
U.S. EPA. SPECIATE DatabaseAir; 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 PageAir; 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 DataConcentrations; Data Source; Exposure Assessment; Inhalation; Point of ContactDirect Measurement: Avadata
U.S. EPA. Toxicity ForecastingData 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) ProgramAir; Concentrations; Data Source; Inorganics and Fibers; Organics; Outdoor Air; Pesticides; Scenario Evaluation; Soil and Dust; Sources; Sources and Releases; Water and SedimentIndirect 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 CriteriaAquatic 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 SedimentIngestion: 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 SedimentDermal: 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 SedimentMedia - 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.

Risk Assessment

  • About Risk Assessment
  • Risk Recent Additions
  • Human Health Risk Assessment
    • Conducting a Human Health Risk Assessment
    • Human Health Risk Models and Tools
  • Ecological Risk Assessment
    • Conducting an Ecological Risk Assessment
    • Ecological Risk Models and Tools
  • Risk Assessment Guidance
  • Risk Tools and Databases
    • Regional Screening Levels (RSLs)
    • Regional Removal Management Levels for Chemicals (RMLs)
  • Superfund Risk Assessment
    • Superfund Human Health Risk Topics
      • Risk Assessment Guidance for Superfund (RAGS): Part A
      • Supplement to RAGS Part A: Community Involvement in Superfund Risk Assessments (1999)
      • Risk Assessment Guidance for Superfund (RAGS) Volume III: Part A
      • Risk Assessment Guidance for Superfund (RAGS): Part B
      • Risk Assessment Guidance for Superfund (RAGS) Part C
      • Risk Assessment Guidance for Superfund (RAGS): Part D
      • Risk Assessment Guidance for Superfund (RAGS): Part E
      • Risk Assessment Guidance for Superfund (RAGS): Part F
    • Superfund Ecological Risk Topics
      • Ecological Risk Assessment Guidance for Superfund
      • Ecological Soil Screening Level (Eco-SSL) Guidance and Documents
    • Additional Superfund Risk Topics
      • Regional Screening Levels (RSLs)
      • Regional Removal Management Levels for Chemicals (RMLs)
  • Where you live
Contact Us About Risk Assessment
Contact Us About Risk Assessment to ask a question, provide feedback, or report a problem.
Last updated on August 26, 2025
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.