Contaminated Site Clean-Up Information (CLU-IN): Internet Seminar Audio Archives

Contaminated Site Clean-Up Information (CLU-IN)
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Since 1998, The Contaminated Site Clean-Up Information (CLU-IN) website has presented Internet Seminars covering a wide variety of technical topics related to hazardous waste characterization, monitoring, and remediation. For each seminar topic, we have selected the highest-quality offering for placement in our archives. Beginning in May 2005, we began offering these archives via podcast, and this feed contains all seminars archived in the last 6 months. For a complete list of seminars archived since 2000 and videos of selected seminars archived since 2012, please visit http://clu-in.org/live/archive/. Our Rehabilitation Act Notice for reasonable accommodation is available at http://clu-in.org/training/accommodation.cfm. CLU-IN was developed by the U.S. Environmental Protection Agency (EPA) but is intended as a forum for all waste remediation stakeholders. For more information and to view upcoming live offerings, please visit http://clu-in.org/live/. For a complete list of RSS feeds available on CLU-IN, please visit http://clu-in.org/rss/about/.

  1. 2D AGO

    Audio for "ITRC: Contaminants of Emerging Concern (CEC) Identification Framework," May 7, 2026

    In 2023, the ITRC Contaminants of Emerging Concern (CEC) Framework was published to help environmental regulatory agencies and other stakeholders identify, evaluate, and manage CEC's while acknowledging uncertainties in their environmental fate and transport, receptor exposure, and/or toxicity. Such an approach can be conducive to improved allocation of regulatory response resources and provide a foundation for communicating potential risk to stakeholders. The ITRC framework is comprised of a white paper and four associated fact sheets. In the white paper, CEC are defined as: "substances and microorganisms including physical, chemical, biological, or radiological materials known or anticipated in the environment, that may pose newly identified risks to human health or the environment." The framework is meant to help environmental regulatory agencies and other stakeholders by providing examples of CEC monitoring programs and guiding the user through the process of identifying CEC key characteristics, how to communicate real and perceived risk from CEC to the public, and how laboratory analytical methods can be used in the identification process.The ITRC CEC training presents this entirely new framework for identification, prioritization, and communication of CEC. This course includes the following topics:An overview of the framework, how and why it was developed, the factors that influence the creation of CEC management units at the state level, and a listing of existing CEC monitoring programs.A discussion of key variables that may be used as criteria to identify and prioritize CEC for response actions. This portion of the course includes a case study that illustrates how the identification and prioritization process works with an "unknown" chemical CEC.Practices and methods for stakeholder messaging and how to share incomplete information on CEC that could impact human health and the environment. This portion of the short course builds upon the ITRC Risk Communication Toolkit by providing additional detail addresses communications plans, message maps, and audience identification.A paradigm for how laboratory methods can be used to identify CEC ranging from: "Is compound X in the sample and at what concentration?" (i.e., known knowns) to"Which compounds from the list are in this sample?" (i.e., known unknowns) to"What is in the sample?" (i.e., unknown unknowns). CEC are typically compounds or substances whose occurrence or effect is unknown but may or may not be understood through similar compounds or substances. This module includes a discussion of the use of targeted and untargeted analysis to identify a CEC.Participants will learn the elements of the CEC framework and gain an understanding of the framework application from case studies. Participants are encouraged to review the ITRC CEC Framework prior to the class. To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/itrc/CEC_050726/

  2. 4D AGO

    Audio for "ITRC: Pump & Treat Optimization," May 5, 2026

    ITRC's Pump & Treat (P&T) Optimization training aims to summarize existing information and best practices while also developing a systemic and adaptive optimization framework specifically for P&T well-network design and management. P&T systems have been one of the most commonly used methods for hydraulic containment and treatment of contaminated groundwater at sites with large groundwater plumes. This method cleans up groundwater contaminated with dissolved chemicals by pumping groundwater from wells to an above-ground treatment system that removes the contaminants. Optimization of P&T remedies is important for maintaining contaminant removal effectiveness throughout the operation lifetime and managing the system toward an exit strategy. A strategy for routine optimization of P&T remedies is key for maintaining the contaminant removal efficiency of these systems. The primary audience for this training is environmental project decision-makers, which may include federal, state, tribal, and various local agency employees; contractors to these agencies; and potentially liable parties and their engineers and consultants as well as involved stakeholders. Generally, those involved in designing, building and operating, and optimizing pump & treat systems would benefit.The goal of the training is to provide a roadmap for optimizing a P&T system and refining the remedial strategy or shifting toward another remedial approach. Pump & Treat optimization should be systematic and data-based, and the training and document aim to provide tools and direction to assist in this rigorous process.Key TakeawaysUnderstanding the P&T project lifecycle: evaluation, optimization, and transition, as well as considerations for sustainability, resiliency, and regulatory and stakeholder entities.P&T optimization should incorporate adaptive site management. P&T systems are influenced by a diverse collection of outside factors, which should be considered throughout the entire optimization process.Transition and termination should both be considered during the optimization process.Remedial objectives dictate evaluation and optimization efforts for P&T systems..Prior to attending the training class, participants are encouraged to view the associated ITRC Pump & Treat guidance document. To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/itrc/PT-1_050526/

  3. APR 30

    Audio for "Understanding Vapor Intrusion - Introductory Concepts & Fundamentals - A Two Part Series: Session 1," Apr 30, 2026

    The Vapor Intrusion 101 training series provides an overview of vapor intrusion (VI) and presents information from the 2026 ITRC VI Toolkit (which includes fact sheets, technology information sheets, and checklists). This course introduces participants to the fundamentals of vapor intrusion, the process by which vapor-forming chemicals in contaminated soil or groundwater volatilize and migrate into buildings. The course will discuss sources, pathways, and receptors. It will identify and assess VI risks in various settings (residential, commercial, industrial) and familiarize participants with regulatory frameworks and guidelines (e.g., USEPA, state-specific regulations). The participants will gain working knowledge of how to develop a Conceptual Site Model (CSM), design and implement sampling strategies, establish data quality objectives (DQOs), and conduct data and risk evaluations. It will provide an overview of mitigation strategies, including various closure strategies, land use covenants, and institutional controls. Session 1 will focus on:What is Vapor IntrusionVI Exposure PathwayVI in Practice - including common CSMs, Scenarios, and ChemicalsPotential Limiting Factors for VI - PVI vs Chlorinated VI, Geology, Hydrogeology, and Building Operating ConditionsHow is VI Different & Challenges in Evaluating VI Session 2 will focus on:How VI is DifferentHow to assess VI - CSM, Sample Collection, Data Interpretation, Risk Assessment, and Project Life CycleManaging VI Risk at a Site - Mitigation, Remediation, MonitoringWhat does Closure look like & Various Exit Strategies The course will provide connections to the 2026 ITRC VI Toolkit to help the audience understand how to find and use these new resources for VI sites. To view this archive online or download the slides associated with this seminar, please visit http://clu-in.org/conf/itrc/VI-introductory_043026/

  4. APR 22

    Audio for "Federal Facilities Academy: Community Involvement at Federal Facilities," Apr 22, 2026

    Community Involvement at Federal Facilities is a two-hour webinar course that focuses on community involvement requirements, resources, and techniques available for Federal Facilities being cleaned up at National Priorities List (NPL) sites under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). By taking the course, participants will achieve the following objectives:Learn about community involvement requirements under CERCLA;Understand the roles of the lead federal agency and the Environmental Protection Agency (EPA) in public involvement at Federal Facilities;Discover resources and tools available for community involvement activities;Explore community involvement techniques and approaches that can be used at Superfund sites; and,Identify community involvement opportunities throughout the Superfund process at Federal Facilities.The instructional methodology for this course includes lecture, case studies, and group discussions. The target audience for this course is federal, state, and tribal representatives who work on Federal Facility cleanups. Ideally, students should have a basic understanding of the CERCLA process. This course is part of the Federal Facilities Academy training program. Please consider registering for other Federal Facility Academy courses and obtain a certificate upon completion of the entire Federal Facility Academy series (12 courses total). To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/tio/FFAcademy8_042226/

  5. APR 7

    Audio for "PFAS Sorption Based Technologies for Separation & Concentration of PFAS from Water," Apr 7, 2026

    Removal of PFAS from water has become an important concern for water utilities; landfill operators; industry professionals; and state, local, and tribal decision makers. Sorption-based technologies, specifically granular activated carbon, ion exchange resins, and foam fractionation have proven to be effective solutions in this area, but choosing the most suitable sorption-based method or system configuration can be daunting. To aid treatment practitioners, the ITRC PFAS team published a technical guidance document titled "Sorption-based Technologies for Separation and Concentration of PFAS from Water" (Section 18 of PFAS-1). This training module is intended to assist in using the information presented in this document by providing an overview of the central topics along with easily digestible summaries of critical information. This training will be crafted for an audience with some basic understanding of PFAS and that has likely already attended the PFAS 101 training and the ITRC PFAS Beyond the Basics: Fate and Transport, Site Characterization, and Source ID training. Resources and further details for the topics included in this training are available in the ITRC PFAS-1 guidance document, specifically in Sections 12 and 18. Learning objectives:Review operating principles of sorption-based technologies.Understand how site conditions and treatment objectives influence technology selection.Become familiar with testing methods (from foamability tests to isotherm tests to full-scale demonstration tests) used to verify treatment effectiveness, optimize performance, and compare technologies. Identify water quality parameters that may adversely affect sorption-based technologies and the available pretreatment methods to address themLearn how test data can be combined with cost and sustainability information to select a specific technology or system configuration. To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/itrc/PFAS-sorption-techs_040726/

  6. MAR 26

    Audio for "PFAS - Practical Approaches for PFAS Fate & Transport Evaluation," Mar 26, 2026

    This training will provide information on fate and transport of PFAS in the environment using a hypothetical AFFF release. It builds on the earlier topics covered in the PFAS 101 training. Resources and further details for the topics included in this training are available in the ITRC PFAS-1 guidance document. Representative PFAS fate and transport pathways/processes will be illustrated, highlighting those that are unique to PFAS and different from other common contaminants. Available methods/approaches of field sampling, laboratory analysis, and data evaluation to characterize these fate and transport pathways/processes will be discussed. Data gaps due to limited available sampling/analysis and data evaluation methods will also be discussed. The scenario of a hypothetical AFFF release site was chosen based on commonality with typical known environmental releases to present an illustrative framework for regulators and other environmental practitioners on the range of PFAS topics that may be applicable from discovery to closure. This training will be crafted for an audience with some basic understanding of PFAS and that has likely already attended the PFAS 101 training and the ITRC PFAS Beyond the Basics: Fate and Transport, Site Characterization, and Source ID training. This training will be a site-based, application-oriented training that is built around a specific site narrative. We aim to connect the previous subject-oriented training courses to what practitioners need to think about at a site. Learning Objectives:Understand the interrelationships between current ITRC PFAS knowledge topics in the context of a hypothetical scenario.Understand representative fate and transport processes at a typical AFFF release site; particular focus will be given to PFAS-specific considerationsUnderstand currently available methods/approaches of field sampling, laboratory analysis, and data evaluation for PFAS site characterization, as well as limitations of these methods/approaches To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/itrc/PFAS-fate-transport_032626/

  7. MAR 25

    Audio for "Federal Facilities Online Academy: Record of Decision (RODs) and More at Federal Facilities," Mar 25, 2026

    RODs [Records of Decision] and More at Federal Facilities is a two-hour webinar course that will provide an overview of how early and interim actions, adaptive management, RODs, Explanations of Significant Differences (ESDs), ROD Amendments, removal actions and Five-Year Reviews are used at Federal Facilities. By taking this course, participants will achieve the following objectives:Understand how removal actions, sampling and analysis plans, and decision documents are used at Federal Facilities;Learn what the critical sections of a decision document are and resources to support writing a decision document;Identify how different types of decision documents can be used as part of an overall cleanup strategy; and,Learn the process for changing remedies after a ROD is issued and how Five-Year Reviews can impact decision documents.The instructional methodology for this course includes lecture, group discussions, case studies, and quizzes. The target audience for this course is federal, state, and tribal representatives who work on Federal Facility cleanups. Ideally, students should have a basic understanding of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) process. This course is part of the Federal Facilities Academy training program. Please consider registering for other Federal Facility Academy courses and obtain a certificate upon completion of the entire Federal Facility Academy series (12 courses total). To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/tio/FFAcademy2_032526/

  8. MAR 17

    Audio for "Vapor Intrusion Mitigation (VIM-1) - A Two Part Series: Session 2," Mar 17, 2026

    ITRC's Vapor Intrusion Mitigation training is a series of eight (8) modules, presented over two sessions. If you took the ITRC VIM series previously, the content has stayed the same, but the new course directs people to the Vapor Intrusion (VI) Toolkit resources published in January 2026 by ITRC. The Vapor Intrusion Mitigation training series provides an overview of VIM and presents information from the 2026 ITRC VI Toolkit (which includes fact sheets, technology information sheets, and checklists). Session 1:Introduction & Overview of Vapor Intrusion Mitigation Training TeamConceptual Site Models for Vapor Intrusion MitigationCommunity Engagement During Vapor Intrusion MitigationRapid Response & Ventilation for Vapor Intrusion MitigationRemediation & Institutional Controls Session 2:Active Mitigation ApproachesPassive Mitigation ApproachesSystem Verification, OM&M, Curtailment and Shutdown When certain contaminants or hazardous substances are released into the soil or groundwater, they may volatilize into soil vapor. VI occurs when these vapors migrate up into overlying buildings and contaminate indoor air. The ITRC VI Toolkit combines the previous ITRC VI-related guidance documents (VI 2007, PVI 2014, VIM-1 2020), along with updates, into one comprehensive resource toolkit (including fact sheets, technology information sheets and checklists) published in January 2026. After the Vapor Intrusion Mitigation series, you should understand:How to locate and utilize the relevant document, fact sheets, technology information sheets, and checklistsThe importance of a VI mitigation conceptual site modelHow community engagement for VI mitigation differs from other environmental mattersWhen to implement rapid response for VI and applicable methodologies The differences between remediation, mitigation, and institutional controlsAvailable technologies for active and passive mitigation, and design considerations for various approachesHow/when/why different mitigation technologies are appropriateHow to verify mitigation system success, address underperformance, and develop a plan for curtailment of a mitigation system and shutdown We encourage you to use the ITRC VI Toolkit and these training modules to learn about VI mitigation and how you can apply these best practices to improve decision-making at your sites. For regulators and other government agency staff, this understanding of VI mitigation can be incorporated into your own programs. While the training makes every effort to keep the information accessible to a wide audience, it is assumed that the participants will have some basic technical understanding of chemistry, environmental sciences, and risk assessment. As with other emerging contaminants, our understanding of VI mitigation continues to advance. This training provides the participants with information on areas where the science is evolving and where uncertainty persists. To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/itrc/VIM-1_031726/

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About

Since 1998, The Contaminated Site Clean-Up Information (CLU-IN) website has presented Internet Seminars covering a wide variety of technical topics related to hazardous waste characterization, monitoring, and remediation. For each seminar topic, we have selected the highest-quality offering for placement in our archives. Beginning in May 2005, we began offering these archives via podcast, and this feed contains all seminars archived in the last 6 months. For a complete list of seminars archived since 2000 and videos of selected seminars archived since 2012, please visit http://clu-in.org/live/archive/. Our Rehabilitation Act Notice for reasonable accommodation is available at http://clu-in.org/training/accommodation.cfm. CLU-IN was developed by the U.S. Environmental Protection Agency (EPA) but is intended as a forum for all waste remediation stakeholders. For more information and to view upcoming live offerings, please visit http://clu-in.org/live/. For a complete list of RSS feeds available on CLU-IN, please visit http://clu-in.org/rss/about/.

Information

  • Creator
    Contaminated Site Clean-Up Information (CLU-IN)
  • Years Active
    2012 - 2026
  • Episodes
    21
  • Rating
    Clean
  • Copyright
    © Information presented is considered public information and may be distributed or copied. The U.S. Government retains a nonexclusive, royalty-free license to publish or reproduce these materials, or allow others to do so, for U.S. Government purposes. These materials may be freely distributed and used for non-commercial, scientific, and educational purposes. Commercial use of the materials available from this server may be protected under U.S. and Foreign Copyright Laws.
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    Contaminated Site Clean-Up Information (CLU-IN): Internet Seminar Audio Archives