- Advanced Human Health Risk Assessment Add-in for Esri ArcGIS

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BREEZE Risk Analyst is an add-in for Esri ArcGIS (sold separately, free version available) designed to perform human health risk assessment modeling. It is a highly flexible and expandable GIS-based analysis platform for conducting multi-pathway human health risk assessments. Risk Analyst seamlessly combines all the necessary tools, databases, GIS functionality, and fate and transport and exposure modeling equations into an affordable and easy to use software application.

BREEZE Risk Analyst’s highly flexible and modular design may be used for preparing human health risk assessments for both regulatory and non-regulatory requirements. The system is designed to provide a platform upon which to support the evolving requirements and environmental challenges of many of today’s most important regulatory and non-regulatory applications, including:

  • Air toxics risk assessments (ATRA)
  • Environmental impact statements (EIS)
  • Air monitoring health impact analysis
  • HHRAP-RCRA hazardous waste combustion permitting 
  • Community-based cumulative risk assessment programs
  • Ecological risk assessments
  • Toxic tort and odor/nuisance litigation
  • Air toxics permitting
  • Air toxics risk assessment library methodologies
  • Cumulative risk
  • Environmental justice
  • Hot spots guidelines
  • Residual risk

Key Features

  • Includes the U.S. EPA Human Health Risk Assessment Protocol (HHRAP), among many other risk modules
  • Incorporates advanced error logging and numeric validation reporting
  • Contains a powerful database of the 204 HHRAP Companion Database chemicals
  • Enables users to add or import new chemicals to the database and modify existing chemicals
  • Includes a robust toolbox of results analysis and mapping features
  • Provides detailed parameter and equation descriptions
  • Enables users to import emission inventories such as the U.S. EPA Toxics Release Inventory (TRI) and the U.S. EPA National Emission Inventory (NEI)

BREEZE Risk Analyst is a human health and ecological risk assessment modeling system designed to conduct multi-pathway human health risk assessments and food-web based ecological risk assessment modeling. This product seamlessly combines all the necessary tools, databases, GIS functionalities, and modeling equations into an affordable and easy to use software application.

Features

  • Includes the U.S. EPA Human Health Risk Assessment Protocol (HHRAP), among many other risk modules
  • Incorporates advanced error logging and numeric validation reporting
  • Contains a powerful database of the 204 HHRAP Companion Database chemicals
  • Enables users to add or import new chemicals to the database and modify existing chemicals
  • Includes a robust toolbox of results analysis and mapping features
  • Analyzes geospatial data with advanced, yet easy-to-use analytics and analysis tools
  • Ability to sort, filter, and query threshold and exceedance options
  • Calculates risk estimates for multiple sources, chemicals, exposure scenarios, exposure pathways, and locations simultaneously
  • Provides detailed parameter and equation descriptions
  • Exports results to Google Earth, Microsoft Excel, Microsoft Access, Esri shapefiles, XML, text, or HTML formats
  • Enables users to import emission inventories such as the U.S. EPA Toxics Release Inventory (TRI) and the U.S. EPA National Emission Inventory (NEI)

BREEZE Risk Analyst is available as an Esri ArcViewTM add-in for Esri ArcGIS 9 and 10. The GIS add-in inherits the full functionality available in ArcView allowing users to take full advantage of ArcView’s powerful capabilities including visualizing, managing, creating, and analyzing geographic data. Using ArcView, users can understand the geographic context of their data allowing you to see relationships and identify patterns in new ways never before possible without geospatial awareness. Click here to access a detailed description of the powerful GIS capabilities available in the BREEZE Risk Analyst - Esri ArcViewTM add-in. BREEZE is a member of the Esri Partner Program.

Risk Analyst - ESRI Screenshot

Designed as an expandable platform, BREEZE Risk Analyst includes all the underlying components and functionality required to perform risk modeling with separate modules to support specific risk needs. Individual risk modules are designed to implement a specific risk assessment methodology or regulatory program (e.g., HHRAP, TRIM, HARP).

Available Modules

Initial development efforts included the completion of the U.S. EPA Human Health Risk Assessment Protocol (HHRAP) module, while future development efforts will focus on the risk modeling components of programs such as: TRIM, HARP, HAPEM4, HEM-3, SLERAP, RAGS.

HHRAP Module

The HHRAP module includes the following risk modeling capabilities:

  • Environmental Media - air, water, soil, and sediment
  • Risk Characterization - acute exposure, cancer risk, and noncancer hazard
  • Exposure Pathways - inhalation, eggs, soil, milk, produce (above and below ground), fish, beef, drinking water, pork, dermal, and chicken
  • Exposure Scenarios - resident adult and child, fisher adult and child, farmer adult and child, nursing infant, or user-defined (e.g., on-site worker)

The user interface provides a robust, user-friendly, GIS-driven project setup and project management environment. The modern Microsoft ‘Ribbon’ style interface in combination with the unique toolbars, user-managed data trees, and selection-specific properties grids enables users to easily manage all project inputs, analyses, and results. Users can import, manage, and define every facet of the analysis prior to the modeling run or after model execution using powerful results analysis and reporting tools. Analyze individual emission sources, source groups, chemicals, chemical groups, exposure scenarios, and exposure scenario locations or simultaneously analyze thousands of source, chemicals, scenario, and location-combinations. These powerful features provide transparent modeling results and error logging options to users for total command and control of equation inputs, intermediate calculations, and final results.

Risk Analyst - Ribbon Bar

 

Risk Analyst - Contaminants

The highly flexible Air Modeling Import Wizard provides users with the tools necessary to import modeling results from a wide variety of air dispersion models (e.g., ISCST3, AERMOD, CALPUFF, and SCIPUFF) and in multiple data formats. Import formats are not limited or predefined by rigid software requirements. This capability allows users to extract the maximum benefit from the previous modeling runs often reducing the need to re-run models. This flexibility results in significant time and cost savings since air modeling runs often take hours, days, and even weeks to complete (especially if modeling deposition, which is often the case when risk modeling).

In addition, advanced error logging and numeric validation reporting options eliminate the concept of “black-box modeling”. These powerful features provide fully transparent modeling results and error logging options to provide users with total command and control of equation inputs, intermediate calculations, and final results. These reporting options enable the efficient and transparent communication of risk results to stakeholders and also provide a mechanism for documenting methods and input parameters used to form the basis of risk modeling results.

Risk Analyst sources tab screenshot

Chemical Database

BREEZE Risk Analyst includes a fully editable chemical database providing the flexibility necessary for keeping the database current and complete. The chemical database includes the 204 HHRAP Companion Database chemicals and the necessary fate, transport, and toxicity parameters for evaluating acute exposure, cancer risks, and noncancer hazards. Users can modify parameters based on specific state and regional regulatory requirements or unique site-specific factors. New chemicals can also be added and quickly populated with the necessary fate and transport and toxicity parameters.

Chemical types includes volatiles, semi-volatiles, and metals including:

  • Polychlorinated dibenzo(p)dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs)
  • Polynuclear aromatic hydrocarbons (PAHs)
  • Polychlorinated biphenyls (PCBs)
  • Nitroaromatics
  • Phthalates
  • Other organics (e.g., Benzene, Cumene, 1,3-Butadiene)
  • Metals (e.g., Mercury, Lead, Arsenic, Chromium)
Risk Analyst - Chemical database screenshot

The robust toolbox of results analysis and mapping features allows users to customize result summaries by location-, source-, chemical-, chemical-group, exposure-scenario, exposure-pathway, or any combination of the above. Results can be viewed using a data grid format (spreadsheet) or within the map view by simply selecting a location of interest using the “Details” tool. BREEZE Risk Analyst also provides users with numerous export options, including the ability to export to Google Earth, as well as the option to generate Population-level Risk Estimates using cancer burden or user-defined hazard levels. Results are also easily validated since the user has access to equations, input parameters, and intermediate calculations. This feature is also extremely useful for identifying risk drivers and key input parameters influencing results.

Risk Analyst - Results Contours Screenshot

Risk Analyst - Results Screenshot

Risk Analyst - Results Validation

Hardware

  • Intel or AMD processor, 32 or 64 bit, 2.2 GHz or higher. Hyper-threading (HHT) or Multi-core recommended
  • 2 gigabytes (GB) RAM minimum
  • 500 (MB) available disk space for BREEZE Risk Analyst install. The Esri ArcGIS Desktop install requires 2.4 GB of additional disk space
  • 1024 x 768 minimum display resolution
  • Mouse or other pointing device

Software

  • Esri ArcGIS for Desktop (sold separately, free version available)
  • Windows Vista, Windows 7, Windows 10 or Windows Server 2008
  • .NET Framework 3.5 SP1 or later
  • Microsoft Internet Explorer Version 7.0 or 8.0 (ArcGIS requirement)

Additional Requirements

  • None

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