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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Download seminar information in iCalendar formatSRP Water Innovation - An Integrate...

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OSC Academy Presents...Some Things On-Scene Coordinators Should Know About EPA's Vapor Intrusion Guidance

The presentation will introduce and describe highlights of the OSWER Technical Guide For Assessing And Mitigating The Vapor Intrusion Pathway From Subsurface Vapor Sources To Indoor Air (OSWER Publication 9200.2-154; June 2015) and Compilation of Information Relating to Early/Interim Actions at Superfund Sites and the TCE IRIS Assessment (August 2014) with Q&A afterwards.

Military Munitions Support Services - Remedial Investigation / Feasibility Study

This will be a Military Munitions Support Services seminar with subject matter experts discussing Remedial Investigation / Feasibility Study development.

Military Munitions Support Services - Remedial / Removal Actions

This will be a Military Munitions Support Services seminar with subject matter experts discussing Remedial / Removal Actions.

SRP Water Innovation - An Integrated Approach to Sustainable Solutions: Session III - Water Detection Technologies

The NIEHS Superfund Research Program (SRP) presents the third session in the Risk e-Learning series SRP Water Innovation - An Integrated Approach to Sustainable Solutions. Session III Water Detection Technologies will feature SRP-funded projects that are developing innovative technologies for the monitoring of hazardous substances in water. The presentations will highlight potential non-targeted testing, passive sampling, and bioanalytical approaches to detect a wide variety of contaminants in water, with applicability to drinking water.

Roger Giese, Ph.D., from the Puerto Rico Testsite for Exploring Environmental Contaminants (PROTECT) SRP Center at Northeastern University, will present nontargeted tea bag extraction/mass spectrometry methodology for large urine and water samples, in regard to the problem of preterm birth. This will include analysis of sulfated exposome metabolites in urine and of pollutants in ground water samples from Puerto Rico. The tea bag technique may also become of interest for purification of drinking water by the consumer.

Damian Shea, Ph.D., a professor at North Carolina State University and investigator with the University of North Carolina at Chapel Hill SRP Center, will discuss combining target and non-target analysis with passive sampling devices to measure the external organic chemical exposome in water. As, they have developed a non-selective passive sampling device (nsPSD) that accumulates both polar and non-polar organic chemicals (log Kow range 0.2-8.0) from water and combined this with analysis using both target chemical and non-target chemical methods using LCMS and GCMS. Results from surface waters at Superfund sites and elsewhere will be presented and used to illustrate some advantages and limitations of these new methodologies for assessing risk associated with chemicals in drinking water and fish and shellfish.

Michael Denison, Ph.D., Thomas Young, Ph.D., and Candace Bever, Ph.D., from the University of California, Davis Superfund Research Center will discuss their work on developing bioanalytical tools for the detection of hazardous chemicals. They will introduce how cell-based assays provide an understanding of how hazardous chemicals interact with human receptors, while antibody-based assays are quantitative analytical tools. Examples from water sources in the Sierra Nevada Mountains and from the LA Basin in Southern California will be presented. They will further discuss how cell-based bioassays can be useful in screening large numbers of samples and then directly informing the use of high-resolution mass spectrometry to identify known and unknown hazardous chemicals.

SRP Water Innovation - An Integrated Approach to Sustainable Solutions: Session IV - Communicating Risk and Engaging Communities: Arsenic and Well Testing

The NIEHS Superfund Research Program (SRP) presents the fourth session in the Risk e-Learning series SRP Water Innovation - An Integrated Approach to Sustainable Solutions. Session IV, Communicating Risk and Engaging Communities: Arsenic and Well Testing, will feature efforts by several SRP Centers to engage communities on private water related to well testing and treatment alternatives.

The 1974 Safe Drinking Water Act (SDWA) regulates more than 170,000 public water systems to protect health, but not more than 13 million private wells. State and local government requirements for private well water testing are rare and inconsistent; the responsibility to ensure water safety remains with individual households. Over the last two decades, geogenic arsenic has emerged as a significant public health concern due to high prevalence in many rural American communities.

Rebecca Fry, Director UNC Superfund Research Program, will introduce the session describing the health effects associated with exposure to inorganic arsenic that include both cancer and non-cancer endpoints. Inorganic arsenic continues to poison the water of millions around the globe, including populations in the United States. She will detail research that highlights that exposures that occur during critical times of development, such as the in utero period, are associated with detrimental health outcomes in children. She will also highlight innovative public health strategies that are needed to improve this global health issue such as increasing awareness of the issues of contamination, and provision of cost-effective methods for remediation.

Yan Zheng, from the Columbia University SRP Center, Kathleen Gray, from the UNC SRP Center, and Mark Borsuk, from the Dartmouth College SRP Center, will then discuss their research and engagement efforts in different U.S. communities to identify barriers to well testing, to encourage testing of arsenic in private wells, and to empower well-water users with the tools they need to keep their drinking water safe.

Introduction to the New Recommended Template for Five Year Reviews (FYRs)

This webinar is designed to introduce writers and reviewers of EPA FYR reports to the new recommended FYR report template. It will cover how to use the new template, what some of the main differences are from the previous version of the report template, and some tips for using this new recommended template. This template is to be used only for FYRs at non-federal facility sites at this time. [This is meant for individuals with some previous experience either writing or reading FYRs and is not an introductory class on FYR policy, guidance or the process of conducting FYRs.]
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 Strategy

Interstate Technology Regulatory Council Sites contaminated by chlorinated solvents present a daunting environmental challenge, especially at sites with dense nonaqueous phase liquid (DNAPL) still present. Restoring sites contaminated by chlorinated solvents to typical regulatory criteria (low parts-per-billion concentrations) within a generation (~20 years) has proven exceptionally difficult, although there have been successes. Site managers must recognize that complete restoration of many of these sites will require prolonged treatment and involve several remediation technologies. To make as much progress as possible requires a thorough understanding of the site, clear descriptions of achievable objectives, and use of more than one remedial technology. Making efficient progress will require an adaptive management approach, and may also require transitioning from one remedy to another as the optimum range of a technique is surpassed. Targeted monitoring should be used and re-evaluation should be done periodically.

This ITRC Integrated Dense Nonaqueous Phase Liquid Site Strategy (IDSS-1, 2011) technical and regulatory guidance document will assist site managers in development of an integrated site remedial strategy. This course highlights five important features of an IDSS including:

  1. A conceptual site model (CSM) that is based on reliable characterization and an understanding of the subsurface conditions that control contaminant transport, reactivity, and distribution
  2. Remedial objectives and performance metrics that are clear, concise, and measureable
  3. Treatment technologies applied to optimize performance and take advantage of potential synergistic effects
  4. Monitoring based on interim and final cleanup objectives, the selected treatment technology and approach, and remedial performance goals
  5. Reevaluating the strategy repeatedly and even modifying the approach when objectives are not being met or when alternative methods offer similar or better outcomes at lower cost

This IDSS guidance and training is intended for regulators, remedial project managers, and remediation engineers responsible for sites contaminated by chlorinated solvents. Because the subject matter is complex, this guidance assumes a functional understanding of the field and is targeted towards experienced users; however, novices will benefit through descriptions and references of the latest evolution of site characterization challenges; realistic planning of site restoration; evolving treatment techniques; and evaluating, monitoring and interpreting mass transport in the subsurface aqueous and vapor phases. While the primary focus of the document is on DNAPL sites, other types of contaminated sites (e.g. petroleum, mixed contaminants, etc.) can use the same fundamental process described in this guidance.

For reference during the training class, participants should have a copy of the flow diagram, Figure 1-2 on page 6 of the ITRC Technical and Regulatory Guidance document, ITRC Integrated Dense Nonaqueous Phase Liquid Site Strategy (IDSS-1, 2011) and available as a 1-page PDF at http://www.cluin.org/conf/itrc/IDSS/ITRC-IDSS-1-Figure1-2.pdf.
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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