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


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

Training & Events

Upcoming Internet Seminars
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CLU-IN's ongoing series of Internet Seminars are free, web-based slide presentations with a companion audio portion. We provide two options for accessing the audio portion of the seminar: by phone line or streaming audio simulcast. More information and registration for all Internet Seminars is available by selecting the individual seminar below. Not able to make one of our live offerings? You may also view archived seminars.

 
 
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Filing EPA Information in AES Targeted at Current Exporters Only

Exporters of manifested hazardous wastes, spent/used lead-acid batteries, universal wastes and cathode ray tubes for recycling should now be transitioning to an electronic border process using the Automated Export System (AES) or AESDirect. This 30-minute webinar will provide detailed filing instructions for exporters and their authorized filing agents (e.g., customs brokers) on how to file the RCRA information about their shipments in AES and AESDirect.

Requirements That Apply to Import and Export Shipments That Go to Both an Interim and Final Destination Facility

Exports and imports of hazardous wastes, including those managed as universal waste and spent lead-acid batteries, are required to follow import and export procedures under 40 CFR Part 262 Subpart H. But shipments going first to an interim facility for temporary holding or consolidation prior to being shipped to a final disposal or recycling facility have special procedures to follow. This 1-hr webinar will walk through the additional information to provide in your notices and the shipment-specific tracking procedures you must follow to comply with 40 CFR Part 262 Subpart H.

Superfund Redevelopment Initiative Series: Opportunities for Reuse at Capped Sites

Former landfills, abandoned dumps, and other contaminated sites throughout the United States, once thought to be of limited value, are being transformed into viable commercial and industrial developments, parks and other recreational areas, and wildlife areas. With forethought and effective planning, communities and site stakeholders can return sites to productive use without jeopardizing the effectiveness of a remedial cap. This webinar will share lessons learned from the successful reuse and assessment of capped sites.

Military Munitions Support Services - Stakeholder Collaboration on MMRP Projects

This session will discuss challenges and successes of interagency collaborative efforts on munitions response projects.

Military Munitions Support Services - Making Decisions

This session will discuss critical elements and concepts of the decision making process.

Military Munitions Support Services - MMRP Explosive Safety

This session will discuss updated safety developments when dealing with scrappers, underwater issues and the 3 R's.

Analytical Tools and Methods: Session III - Fate and Transport of Contaminants


This webinar series highlights innovative analytical tools and methods developed and used by Superfund Research Program (SRP) grantees. The presenters will feature the benefits of these new tools and methods compared to conventional methods. They also will include information about how the technology has helped to facilitate ongoing SRP research.

During the third session of the series, speakers will highlight tools and methods to detect contaminants and measure their fate and transport in the environment. The speakers will highlight work related to polychlorinated biphenyls (PCBs), per- and polyfluoroalkyl substances (PFASs), chlorinated solvents, and other chemicals in the environment.

Keri Hornbuckle, Ph.D., professor of civil and environmental engineering at the University of Iowa, will discuss advances in the measurement of PCBs in complex environmental matrices. Her laboratory has developed methods for reproducible, accurate, and precise measurements of all 209 PCB congeners at sub-ppb levels in indoor and ambient air, water, soils, sediments, pore waters, plant tissues, and human blood serum. She will discuss methods for sampling, pressurized solid extraction, automated concentration and purification, detection using triple quadrupole mass spectrometry, and quality control and assurance methods that deliver whole method quantification limits less than 1 ng of total PCBs /sample.

Jennifer Guelfo, Ph.D., a postdoctoral researcher and State Agencies Liaison in the Brown SRP Center, will provide background related to PFASs and discuss key challenges and knowledge gaps related to fate and transport. She will also present an overview of PFAS occurrence in large-scale drinking water systems across the United States using data from EPAís unregulated contaminant monitoring rule (UCMR)-3 collection effort. Lastly, she will introduce a collaborative effort between the Brown SRP and state regulators that is targeted at providing a user-friendly geospatial framework for identification of potential PFAS source zones.

Mark Brusseau, Ph.D., professor in the school of earth and environmental sciences at the University of Arizona, will describe the Integrated Contaminant Elution and Tracer (ICET) test for improved characterization of mass transfer, attenuation, and mass removal. Extensive and persistent groundwater contaminant plumes are widespread at sites contaminated by compounds such as chlorinated solvents, 1,4-dioxane, Methyl Tertiary Butyl Ether, and perfluorinated chemicals. Improved characterization methods are needed to delineate and quantify the processes and factors that contribute to plume persistence. This presentation will summarize the ICET test, with illustrative applications for characterizing constraints to mass removal.
Interstate Technology Regulatory Council
Seminars Sponsored by the Interstate Technology and Regulatory Council


Issues and Options in Human Health Risk Assessment - A Resource When Alternatives to Default Parameters and Scenarios are Proposed

Interstate Technology Regulatory Council Many state and local regulatory agencies responsible for the cleanup of chemicals released to the environment have adopted regulations, guidance and policies that define default approaches, scenarios, and parameters as a starting point for risk assessment and the development of risk-based screening values. Regulatory project managers and decision makers, however, may not have specific guidance when alternative approaches, scenarios, and parameters are proposed for site-specific risk assessments, and are faced with difficult technical issues when evaluating these site-specific risk assessments. This ITRC web-based document is a resource for project managers and decision makers to help evaluate alternatives to risk assessment default approaches, scenarios and parameters.

ITRC's Decision Making at Contaminated Sites: Issues and Options in Human Health Risk Assessment (RISK-3, 2015) guidance document is different from existing ITRC Risk Assessment guidance and other state and federal resources because it identifies commonly encountered issues and discusses options in risk assessment when applying site-specific alternatives to defaults. In addition, the document includes links to resources and tools that provide even more detailed information on the specific issues and potential options. The ITRC Risk Assessment Team believes that state regulatory agencies and other organizations can use the RISK-3 document as a resource or reference to supplement their existing guidance. Community members and other stakeholders also may find this document helpful in understanding and using risk assessment information.

After participating in this ITRC training course, the learner will be able to apply ITRC's Decision Making at Contaminated Sites: Issues and Options in Human Health Risk (RISK-3, 2015) document when developing or reviewing site-specific risk assessments by:
  • Identifying common issues encountered when alternatives to default parameters and scenarios are proposed during the planning, data evaluation, toxicity, exposure assessment, and risk characterization and providing possible options for addressing these issues
  • Recognizing the value of proper planning and the role of stakeholders in the development and review of risk assessments
  • Providing information (that includes links to additional resources and tools) to support decision making when alternatives to default approaches, scenarios and parameters are proposed
ITRC offers additional documents and training on risk management. ITRC's Use of Risk Assessment in Management of Contaminated Sites (RISK-2, 2008) and associated Internet-based training archive highlight variation of risk-based site management and describes how to improve the use of risk assessment for making better risk management decisions. ITRC's Examination of Risk-Based Screening Values and Approaches of Selected States (RISK-1, 2005) and associated Internet-based training archive focus on the process by which risk-based levels are derived in different states.

Integrated DNAPL Site Characterization

Interstate Technology Regulatory Council Sites contaminated with dense nonaqueous phase liquids (DNAPLs) and DNAPL mixtures present significant environmental challenges. Despite the decades spent on characterizing and attempting to remediate DNAPL sites, substantial risk remains. Inadequate characterization of site geology as well as the distribution, characteristics, and behavior of contaminants -- by relying on traditional monitoring well methods rather than more innovative and integrated approaches -- has limited the success of many remediation efforts.

The Integrated DNAPL Site Characterization Team has synthesized the knowledge about DNAPL site characterization and remediation acquired over the past several decades, and has integrated that information into a new document, Integrated DNAPL Site Characterization and Tools Selection (ISC-1, 2015). This guidance is a resource to inform regulators, responsible parties, other problem holders, consultants, community stakeholders, and other interested parties of the critical concepts related to characterization approaches and tools for collecting subsurface data at DNAPL sites. After this associated training, participants will be able to use the ITRC Integrated DNAPL Site Characterization and Tools Selection (ISC-1, 2015) guidance to develop and support an integrated approach to DNAPL site characterization, including:
  • Identify what site conditions must be considered when developing an informative DNAPL conceptual site model (CSM)
  • Define an objectives-based DNAPL characterization strategy
  • Understand what tools and resources are available to improve the identification, collection, and evaluation of appropriate site characterization data
  • Navigate the DNAPL characterization tools table and select appropriate technologies to fill site-specific data gaps
For reference during the training class, participants should have a copy of Figure 4-1, the integrated site characterization flow diagram from the ITRC Technical and Regulatory Guidance document: Integrated DNAPL Site Characterization and Tools Selection (ISC-1, 2015) and available as a PDF at http://www.cluin.org/conf/itrc/IDSC/ITRC-ISC-Figures.pdf
.

Groundwater Statistics for Environmental Project Managers

Interstate Technology Regulatory Council Statistical techniques may be used throughout the process of cleaning up contaminated groundwater. It is challenging for practitioners, who are not experts in statistics, to interpret, and use statistical techniques. ITRC developed the Technical and Regulatory Web-based Guidance on Groundwater Statistics and Monitoring Compliance (GSMC-1, 2013, http://www.itrcweb.org/gsmc-1/) and this associated training specifically for environmental project managers who review or use statistical calculations for reports, who make recommendations or decisions based on statistics, or who need to demonstrate compliance for groundwater projects. The training class will encourage and support project managers and others who are not statisticians to:

ITRC's Technical and Regulatory Web-based Guidance on Groundwater Statistics and Monitoring Compliance (GSMC-1, 2013) and this associated training bring clarity to the planning, implementation, and communication of groundwater statistical methods and should lead to greater confidence and transparency in the use of groundwater statistics for site management.

Geospatial Analysis for Optimization at Environmental Sites

Interstate Technology Regulatory Council Optimization activities can improve performance, increase monitoring efficiency, and support contaminated site decisions. Project managers can use geospatial analysis for evaluation of optimization opportunities. Unlike traditional statistical analysis, geospatial methods incorporate the spatial and temporal dependence between nearby data points, which is an important feature of almost all data collected as part of an environmental investigation. The results of geospatial analyses add additional lines of evidence to decision making in optimization opportunities in environmental sites across all project life cycle stages (release detection, site characterization, remediation, monitoring and closure) in soil, groundwater or sediment remediation projects for different sizes and types of sites.

The purpose of ITRC's Geospatial Analysis for Optimization at Environmental Sites (GRO-1) guidance document and this associated training is to explain, educate, and train state regulators and other practitioners in understanding and using geospatial analyses to evaluate optimization opportunities at environmental sites. With the ITRC GRO-1 web-based guidance document and this associated training class, project managers will be able to:
  • Evaluate available data and site needs to determine if geospatial analyses are appropriate for a given site
  • For a project and specific lifecycle stage, identify optimization questions where geospatial methods can contribution to better decision making
  • For a project and optimization question(s), select appropriate geospatial method(s) and software using the geospatial analysis work flow, tables and flow charts in the guidance document
  • With geospatial analyses results (note: some geospatial analyses may be performed by the project manager, but many geospatial analyses will be performed by technical experts), explain what the results mean and appropriately apply in decision making
  • Use the project managerís tool box, interactive flow charts for choosing geospatial methods and review checklist to use geospatial analyses confidently in decision making
The Training Exchange (Trainex)

The Training Exchange website (Trainex) is designed to provide a wide range of training information to EPA, other federal agency, state, tribal, and local staff involved in hazardous waste management and remediation. Trainex focuses on free training directed to federal and state staff. This site includes training schedules for deliveries of many courses, both classroom and Internet-based.

EPA works in partnership with organizations, such as the Interstate Technology Regulatory Council (ITRC), and other agencies, such as the Agency for Toxic Substances and Disease Registry (ATSDR), to offer training relevant to hazardous waste remediation, site characterization, risk assessment, emergency response, site/incident management, counter-terrorism, and the community's role in site management and cleanup.

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