U.S. EPA Contaminated Site Cleanup Information (CLU-IN)

U.S. Environmental Protection Agency
U.S. EPA Technology Innovation and Field Services Division

For more information on Decision Support Tools, please contact:

Michael Adam
Technology Integration and Information Branch

PH: (703) 603-9915 | Email: adam.michael@epa.gov

Other Software and Tools Resources

Software and Tools

Software Packages and Online Tools

The Federal Remediation Technologies Roundtable Decision Support Tools Matrix provides further information on and evaluations of many of the tools listed below. The matrix is a table that provides general information about each DST, such as the types of files that may be imported to, or exported from, the DST, the characteristics of applicable sites (contaminants and media) and the functions it performs. All DSTs that were evaluated are free to the public.

Groundwater Statistics Tool

The Groundwater Statistics Tool is designed to help evaluate contaminant of concern (COC) concentrations on a well-by-well basis to determine whether a groundwater restoration remedial action is complete. The tool is designed to support the U.S. Environmental Protection Agency (EPA) memorandum "Guidance for Evaluating Completion of Groundwater Restoration Remedial Actions" (OSWER 9355.0-129) and comports with principles outlined in the "Recommended Approach for Evaluating Completion of Groundwater Restoration Remedial Actions" (OSWER 9283.1-44).

EPA Dataset/Databases for Ecological Risk Assessment of Contaminated Sites.

To assess the potential for risk from contaminated sediments and to help determine contamination levels for remedial designs, EPA's Land Research Program has developed several ecological risk assessment tools including: 1) Biota-Sediment Accumulation Factor Data Set, which can be used to evaluate the transfer of chemicals from sediments into the aquatic food chain; 2) PCB Residue Effects (PCBRes) Database, an abundance of information for risk assessors to use for correlating polychlorinated biphenyls (PCBs) and other dioxin-like compound residues with toxic effects and developing Toxicity Reference Values (TRVs); and 3) ECOTOX Database, for use when risk assessors and managers need to develop TRVs for sediment sites that have contaminants other than, or in addition to, PCBs and dioxins and provides ready access to single-chemical toxicity information for aquatic and terrestrial life. Each of these tools facilitate a scientifically defensible risk assessment, improve the decision-making ability of risk managers at Superfund and other contaminated sites, and facilitate successful remediation efforts.


FootPrint is a simple and user-friendly screening model used to estimate the length and surface area of benzene, toluene, ethylbenzene, and xylene (BTEX) plumes in ground water, produced from a spill of gasoline that contains ethanol. Ethanol has a potential negative impact on the natural biodegradation of BTEX compounds in ground water. The primary objective of the software is to predict the increase in surface area of the plume of BTEX compounds or any other chemical of concern (COC) due to the presence of ethanol in ground water. FootPrint estimates the area of a plume of particular BTEX compounds that are contained within two biodegradation zones: 1) a zone that is immediately adjacent to the source, where ethanol is present in high concentration and no biodegradation of the BTEX compounds (or other COC) is allowed, and 2) a second zone, where the ethanol concentration is negligible due to the natural biodegradation of ethanol in the first zone and biodegradation of the BTEX compound (or other COC) contributes to attenuation in concentration of the BTEX compounds. FootPrint is based on the modified version of the Domenico model (1987) published by Martin-Hayden and Robbins (1997). This model is an approximate analytical solution of the advective-dispersive solute transport equation with first-order decay. The model of Martin-Hayden and Robbins (1997) was further modified in FootPrint to allow zero-order decay as well (see Appendix B of the user's manual for details). As a result, FootPrint can independently describe the natural biodegradation of ethanol and/or the BTEX compound with either a zero-order rate constant or a first-order constant. FootPrint can also be used to estimate the surface area of the plume and the concentration at any given point within the plume when the COC is decaying at a constant rate (first- or zero-order) in the absence of ethanol.

Scribe: Environmental Field Data Capture

Scribe is a software tool developed by the USEPA's Environmental Response Team (ERT) to assist in the process of managing environmental data. Scribe captures sampling, observational, and monitoring field data. Examples of Scribe field tasks include Soil Sampling, Water Sampling, Air Sampling and Biota Sampling. Scribe can import electronic data including Analytical Lab Result data (EDD) and Sampling Location data such as GPS. Scribe supports handheld extensions, Scriblets, to capture and import sampling and monitoring data collected on handheld PDAs.

Natural Attenuation Software (NAS)

Natural Attenuation Software (NAS) is a screening tool to estimate remediation timeframes for monitored natural attenuation (MNA) to lower groundwater contaminant concentrations to regulatory limits, and to assist in decision-making on the level of source zone treatment in conjunction with MNA using site-specific remediation objectives. NAS is designed for application to ground-water systems consisting of porous, relatively homogeneous, saturated media such as sands and gravels, and assumes that groundwater flow is uniform and unidirectional. NAS consists of a combination of analytical and numerical solute transport models. Natural attenuation processes that NAS models include advection, dispersion, sorption, non-aqueous phase liquid (NAPL) dissolution, and biodegradation. NAS determines redox zonation, and estimates and applies varied biodegradation rates from one redox zone to the next.

Mass Flux Toolkit

The Mass Flux Toolkit, developed for the Department of Defense ESTCP program, is an easy-to-use, software tool that enables users to learn about different mass flux approaches, calculate mass flux from transect data, and apply mass flux values to manage groundwater plumes. The Toolkit presents the user with three main options:
  • a module to calculate the total mass flux across one or more transects of a plume, calculate the uncertainty in the calculation, and plot mass flux vs. distance to show the effect of remediation/impact of natural attenuation processes;
  • a module allowing users to perform critical dilution calculations for plumes approaching production wells or streams. An additional feature calculates the capture zone of the supply well and compares it to the transect used to calculate the mass flux, directing the user to alter the transect dimensions if the transect does not encompass the capture zone; and
  • a module that provides a review of theory and methods of estimating mass flux.

Monitoring and Remediation Optimization System (MAROS)

The Monitoring and Remediation Optimization System (MAROS) software has been developed by Groundwater Services Inc. and the University of Houston for the Air Force Center for Engineering and the Environment (AFCEE) in accordance with the AFCEE Long-Term Monitoring Optimization guide. The software provides site managers with a strategy for formulating appropriate long-term groundwater monitoring programs that can be implemented at lower costs. MAROS is a decision support tool based on statistical methods applied to site-specific data that accounts for relevant current and historical site data as well as hydrogeologic factors (e.g. seepage velocity) and the location of potential receptors (e.g., wells, discharge points, or property boundaries). Based on this site-specific information the software suggests an optimization plan for the current monitoring system in order to efficiently achieve the termination of the monitoring program.

Rapid Assessment Tools (R.A.T.)

Rapid Assessment Tools, or R.A.T., is a standalone Windows application that combines global positioning information from a GPS device with single point or continuous field sample data. R.A.T. stores the sample data with its GPS location in a flat file and plots these results in a dynamic, two-dimensional display in real-time. In the software, data can be viewed with aerial photography, polygon boundaries, and sample designs to allow for immediate data availability, analysis, and use in the field. The collected data can also be exported using standard U.S. EPA data formats such as SCRIBE and ESRI Shapefile. R.A.T. is developed internally by the FIELDS (FIeld EnvironmentaL Decision Support) group in the Superfund Division of the U.S. EPA. The application does not require any licensing or other software to perform data collection.

Sustainable Management Approaches and Revitalization Tools - electronic (SMARTe)

SMARTe is a Web-based information source and decision support tool. The purpose of SMARTe is to aid stakeholders in identifying, applying, and integrating tools and technologies to facilitate the revitalization of potentially contaminated sites in the United States. SMARTe is intended to be a Web-based system that can be updated as new tools, technologies, and approaches become available for revitalization.

HRS Quickscore

HRS Quickscore was created to assist in scoring sites using EPA's Hazard Ranking System (HRS). HRS Quickscore is an electronic set of HRS scoresheets that executes real time site score calculations. It was designed to assist in developing a conceptual site model for Superfund site assessments. This product is intended for use by those individuals who plan and implement Preliminary Assessments (PAs), Site Inspections (SIs), and other data collection efforts according to the HRS rules, as well as those individuals that write and review HRS documentation records.


EPA developed the Field Operations and Records Management System (FORMS) II Lite to assist samplers with generating their sample documentation and to track samples. FORMS II Lite is a flexible and easy-to-use, stand-alone, Windows-based application software that simplifies and accelerates the sample documentation process, reducing the generation of hand written documents by almost 70 percent. Specifically, FORMS II Lite:
  • Generates sample labels, bottle tags, and Chain of Custody (COC) forms;
  • Tracks samples from the field to the laboratory;
  • Facilitates electronic capture of sample information into databases; and
  • Exports data electronically as .xml, .dbf or .txt files.

EKAT (Environmental Knowledge and Assessment Tool)

An online environmental and compliance resource tool to help remediation and hazardous waste professionals save time and effort working on projects related to remediation, brownfields, site characterization, hazardous waste, and clean up issues. Initially developed for program managers working on environmental life cycle compliance issues for products and systems, EKAT contains a wealth of centralized regulatory information. There are online tools to screen chemicals for federal and state regulatory information, including CERCLA, RCRA, CAA, and CWA. Get NIOSH REL and OSHA PEL information for chemicals in air. EKAT also includes Hazardous Waste Guides, Physical and Chemical Properties Guides and Toxicology Guides to help with risk assessments. EKAT summarizes, categorizes and links to highly useful resources on: major federal regulations such as CERCLA and RCRA, as well as on environmentally pertinent topics such as Coatings, Explosives Safety, the Federal Facilities Compliance Act (FFCA), Military Munitions Rule (MMR), and Solvents Alternatives. Quick access to online resources such as TOXNET, EPI Suite, and the Periodic Table increases efficiency in finding information. EKAT contains a powerful search engine and user help tools and acts as a project management and collaboration tool to help users set up projects and share information with colleagues.

ProUCL Software

ProUCL is a comprehensive statistical software package initially developed by EPA for computing statistical intervals to respond to concerns at a specific Superfund site. With significant interest, use, and user feedback on the software from the remediation community, EPA has updated the software adding new tools and statistical methods. EPA regions, states, contractors, and and other stakeholders use ProUCL to establish background levels, determine outliers in data sets, and compare background and site sample data sets for site evaluation and risk assessment.

Spatial Analysis and Decision Assistance (SADA)

Spatial Analysis and Decision Assistance (SADA) is a free software package from the University of Tennessee that integrates modules for visualizing contaminant concentrations, geospatial analysis, statistical analysis, human health risk assessment, cost/benefit analysis, sampling design, and decision analysis. SADA can be used to address site-specific concerns when characterizing a contaminated site, assessing risk, determining the location of future samples, and when designing remedial action.

DOE Visual Sample Plan (VSP) Software

This beta version software package is downloadable free of charge. The software assists development of cost-effective, statistically-based sampling plans, and is is applicable for any two-dimensional sampling plan. VSP calculates the number of samples under various scenarios, includes cost considerations, and provides random or gridded sampling locations for overlay on a site map. The website also provides training information and links to other sites that provide software for use in contaminated site cleanup.

Fully Integrated Environmental Location Decision Support (FIELDS)

Fully Integrated Environmental Location Decision Support (FIELDS) software is a package under development through USEPA Region 5. FIELDS is a sophisticated mix of Geographic Information Systems (GIS), Global Positioning System (GPS), a database, statistical and geostatistical analysis algorithms, and imaging technologies. FIELDS System beta version software is currently available on CD-ROM. It is still being tested and debugged, so USEPA would like to limit its availability to Federal, State and tribal agencies only.

The OnSite On-line Tools for Site Assessment

OnSite was developed by the U.S. EPA Ecosystems Research Division of the Office of Research and Development. It was developed to provide continuous access to site assessment calculations for petroleum sites via the Internet. OnSite provides both data and pre-packaged calculations methods. It is meant as an aid to site assessment, to help regulators review modeling reports and to enhance contaminant transport knowledge.

Top of Page

Links to Other Software and Tools

EPA Environmental Response Team Software Products

Through experiences in the field and site-related activities, the Environmental Response Team Center (ERTC) has determined a need for automating specific manual processes and tasks. As a result, a variety of utilities and tools have been developed to assist OSCs, RPMs, Task Leaders, as well as field personnel in managing and performing their site-related duties. The purpose of this website is to enhance the support service provided to ERTC software customers. A number of resources are available to help resolve problems, request support, and suggest improvements to ERTC products and service.

Superfund Analytical Services/Contract Laboratory Program (CLP) Tools

The Analytical Services Branch provides several tools to assist Contract Laboratory Program (CLP) clients, laboratories, and samplers. These tools were designed to use the Internet to facilitate many of the essential functions of the CLP. They incorporate Web technologies such as Lotus Notes/Domino, Cold Fusion, and Extensible Markup Language (XML).

Federal Remediation Technologies Roundtable Decision Support Tools (DSTs) Matrix

DSTs are interactive software tools used by decision-makers to help answer questions, solve problems, and support or refute conclusions. They can be incorporated into a structured decision-making process for environment site clean-up. DSTs often support multiple functions, such as data acquisition, spatial data management, modeling, and cost estimating. The Federal Remediation Technologies Roundtable matrix is a table that provides general information about each DST, such as the types of files that may be imported to, or exported from, the DST, the characteristics of applicable sites (contaminants and media) and the functions it performs. All DSTs that were evaluated are free to the public.

EPA Council for Regulatory Environmental Modeling (CREM) Models Knowledge Base

The Models Knowledge Base (Kbase) is an inventory of EPA's environmental models. It is intended to provide information about how a model is used and about a model's underlying science. While the CREM developed the infrastructure and data requirements for this Kbase, the information being provided was submitted by the various EPA offices. Each model includes three pages of information. The General Information page includes an overview of the model, contact information, and a link to the model's homepage. The second page, Model Use, provides information that is essential for potential users, including technical requirements (hardware, operating systems, and software), directions for obtaining (downloading) the model, and basic information on using the model (model inputs, model outputs, and the User's Guide). The final page, Model Science, includes sections on the conceptual basis of the model, scientific detail, model framework, and model evaluation.

EPA Office of Emergency Management Databases and Software

The Office of Emergency Management works with other EPA partners, Federal agencies, state and local response agencies, and industry to prevent accidents as well as maintain superior response capabilities. OEM's overall mission is to provide national leadership to prevent, prepare for, and respond to health and environmental emergencies. This is facilitated through partnerships, joint strategy development, technology development and deployment, and training and exercises. This site provides many of the computer programs developed by EPA to help facilities comply with regulations, give first responders tools to better plan and prepare for chemical accidents, and help the public understand the chemicals in their community.

EPA Office of Solid Waste Software and Databases

The Office of Solid Waste (OSW) regulates all this waste under the Resource Conservation and Recovery Act (RCRA). This site lists software and databases for RCRA Guidance and Policy, Hazardous Waste Management Data and Tools, Solid Waste Management Data and Tools, Solid and Hazardous Waste Facility Design and Siting Tools, and Waste Climate Change Tools.

EPA Superfund Software

Citizen concern over the extent of uncontrolled or abandoned hazardous waste sites led Congress to establish the Superfund Program in 1980 to locate, investigate, and clean up the worst sites nationwide. The EPA administers the Superfund program in cooperation with individual states and tribal governments. The Superfund program makes several types of software available for the public to help users learn more about environmental data.

EPA Center for Subsurface Modeling Support (CSMoS)

The Center for Subsurface Modeling Support (CSMoS) provides public domain ground-water and vadose zone modeling software and services to public agencies and private companies throughout the nation. CSMoS is located in Ada, Oklahoma at the National Risk Management Research Laboratory (NRMRL), the U.S. EPA's Center for Ground-Water Research. The primary aims of CSMoS are to provide direct technical support to EPA and State decision makers in subsurface model applications and to manage and support the ground-water models and databases resulting from the research at NRMRL. This research encompasses the transport and fate of contaminants in the subsurface, the development of methodologies for protection and restoration of ground-water quality, and the evaluation of subsurface remedial technologies. As a result, a major focus of CSMoS entails coordinating the use of models for risk assessment, site characterization, remedial activities, wellhead protection, and Geographic Information Systems (GIS) application. In these ways, CSMoS performs an active role in protecting, restoring, and preserving our nation's ground-water resources.

EPA On-Scene Coordinators Software and Databases

This site is intended to be a tool to help streamline the work of OSCs and provide them a forum to share information and lessons learned with OSCs around the country.

EPA National Exposure Research Laboratory, Environmental Sciences Division Databases and Software

The staff at the Environmental Sciences Division (ESD) conducts research, development, and technology transfer programs on environmental exposures to ecological and human receptors. ESD develops methods for characterizing chemical and physical stressors, with special emphasis on ecological exposure. The Division develops landscape and regional assessment capabilities through the use of remote sensing and advanced spatial analysis techniques. ESD conducts analytical chemistry research and applies advanced monitoring technology to issues involving surface and subsurface contamination. All the software described on this site can be obtained on a single CD through EPA's National Service Center for Environmental Publications.

EPA Emergency Response Program Databases and Software

EPA's Emergency Response Program coordinates and implements a wide range of activities to ensure that adequate and timely response measures are taken in communities affected by hazardous substances and oil releases where state and local first responder capabilities have been exceed or where additional support is needed. This site lists databases and software currently available from the Emergency Response Program.

Top of Page