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. ٢٩ مايو

    Audio for "ITRC: Reuse of Solid Mining Waste," May 29, 2025

    Solid mining waste represents a significant quantity of waste material in the United States and around the world. Solid mining waste has a range of physical and chemical properties that make it both potentially valuable and potentially hazardous to human health and the environment. From a commercial perspective, mining removes most of the primary minerals of interest; however, waste materials can still contain valuable minerals and other materials that can be recovered. The different types of mining sites and potential wastes for reuse provide a significant challenge but also an opportunity for innovation. Improvements in extraction and mineral processing technologies have occurred over time making it possible to recover minerals present in low concentrations. Interest in trace metals and rare earth elements (REEs) has increased, especially with the drive towards renewable energy sources increasing demand for key minerals required for solar panels and batteries. The reuse of solid mining waste can consist of reprocessing and repurposing the waste for resource recovery or a new application or product. This reuse serves as a solution to two significant needs:a domestic supply of minerals and materials for sustainable development and national defense purposesthe reclamation and remediation of land to reduce risks to human and environmental health The ITRC Reuse of Solid Mining Waste training and guidance document is geared towards state regulators and environmental consultants, mining and manufacturing stakeholders, community and tribal stakeholders, and other who have an interest in the potential reuse of solid mining waste. The guidance and this associated training course includes:Mining wastes introductionConsiderations for reusing mining waste: waste characterization, economic and market considerations, life cycle and risk assessment, regulatory considerations, & stakeholder considerationsPotential applications for the reuse of solid mining waste: examples of construction, environmental, and industrial reusesReview of technologies used in mineral beneficiation and processing Additionally, the guidance includes several case studies illustrating a range of current mining waste reuse scenarios. Prior to attending the training class, participants are encouraged to view the associated ITRC Reuse of Solid Mining Waste document. To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/itrc/MiningWaste_052925/

  2. ٢٠ مايو

    Audio for "ITRC PFAS Beyond the Basics: Topics on PFAS Biosolids: Sources, Transport, and Management of PFAS Surface Releases," May 20, 2025

    This training class builds on the earlier information for introductory PFAS topics presented in the PFAS 101 CLU-IN training. The ITRC PFAS Beyond the Basics class provides more information related to potential sources of PFAS in biosolids, implications of PFAS associated with land-applied biosolids, vadose zone fate and transport processes that likely govern biosolids releases, treatment/disposal options for PFAS-impacted biosolids, and regulatory considerations. Resources and further details for the topics included in this training are in the published PFAS-1 guidance document in Sections 2, 4, 5, 8, 10, 12, and 17.3, and the Regulatory Programs Table. Learning Objectives: Biosolids and PFAS Fate and Transport in the Vadose ZoneSource Zone CharacteristicsVadose Zone Controls on MobilityField Scale Fate, Transport and UptakeCharacterization and TreatmentAdditional Biosolids Considerations and Summary To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/itrc/PFAS-BTB-Biosolids_052025/

  3. ١ مايو

    Audio for "ITRC: Overview of the Tire-Derived Chemicals 6PPD & 6PPD-quinone," May 1, 2025

    In October 2024, ITRC released the 6PPD & 6PPD-quinone Guidance Document to provide environmental professionals and communities with information about the current science and regulatory framework of 6PPD and 6PPD-quinone (6PPD-q). 6PPD-q is a contaminant of emerging concern and is a transformation product of the tire anti-degradant (6PPD), an antiozonant used in tires. Join us for this ITRC training course to get a basic overview of the science and policy measures surrounding the Tire Anti-Degradants 6PPD and 6PPD-q. Attendees will gain insight into the current state of knowledge on topics such as: background and use of 6PPD in tires, toxicity in aquatic species and humans; occurrence, fate, and transport; measuring, mapping, and sampling; mitigation measures; and policy, regulations, and laws. Currently, 6PPD is used in all tires and can contaminate stormwater and surface water anywhere tires are used. 6PPD-q was identified as a chemical fatal to coho salmon in 2020. Since that time, it has been documented as acutely toxic to multiple trout species found throughout the United States. 6PPD and 6PPD-q have been found in waterways, aquatic organisms, soils, air, and humans. This training will introduce you to the ITRC 6PPD & 6PPD-quinone Guidance Document which provides more technical detail than can be covered in this training course To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/itrc/6PPD-Q_050125/

  4. ٣٠ أبريل

    Audio for "Groundwater Modeling and Complexity of PFAS Modeling," Apr 30, 2025

    This presentation will cover fundamental concepts on groundwater fate and transport modeling along with examples of different models. Additionally, the complexity of modeling leaching of PFAS compounds in subsurface will be presented. To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/tio/GW-PFAS-Modeling_043025/

  5. ٢٩ أبريل

    Audio for "Military Munitions Support Services (M2S2) - Sessions from the STAND DOWN - Remedial Actions," Apr 29, 2025

    M2S2 will be presenting three webinars in FY25, titled "Sessions from the STAND DOWN" highlighting presentations from the FY25 M2S2 Stand Down hosted by US Army Corps of Engineers (USACE) in December 2024. These online events will bring together USACE, DoD leaders, federal land managers, state and federal regulators and contractors to discuss munitions response cleanup issues and initiatives.  Presenters and attendees will discuss programmatic information, and share lessons learned to foster strong working relationships. The first webinar in this series will focus on Remedial Actions and include the following presentations:"RA Lessons learned" — Elise Goggin"Regulatory perspective on ROD's" — Jeff Swanson "Common challenges implementing the remedy" — DJ Myers"Records we need in the Record of Decision" — Nancy Heflin To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/tio/STAND-DOWN-1_042925/

  6. ٢٤ أبريل

    Audio for "ITRC PFAS Beyond the Basics: PFAS Fate and Transport, Site Characterization and Source ID Training," Apr 24, 2025

    This training class builds on the earlier information for fate and transport and site characterization presented in the PFAS 101 CLU-IN training. It provides more in-depth information for fate and transport, site characterization, source identification and some introductory information on environmental forensics. These topics will be presented along with options and a framework for data visualization. This training will focus largely on PFAS fate and transport in groundwater. The goal is to provide detailed information about the inputs practitioners can use to develop a robust conceptual site model to help understand fate and transport at PFAS sites, and how to gather evidence of multiple sources. Resources and further details for the topics included in this training are in the ITRC Guidance Document (PFAS-1) in Sections 2.6, 3, 4, 5, 10, 11 and 15 along with referenced tables. Learning Objectives: Understand fate and transport processes that are unique to PFAS due to their physical and chemical properties.How to characterize sites with these processes and properties in mind.Describe options for and advantages of various data visualization techniques.Introduce basic forensic techniques for source evaluation. To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/itrc/PFAS-BTB-FT_042425/

  7. ٢٣ أبريل

    Audio for "Economic Prosperity and Community Growth Through Superfund Redevelopment," Apr 23, 2025

    The EPA Superfund Redevelopment Program's mission is to protect human health and the environment and promote the reuse of Superfund sites. Restoring these once-contaminated properties to productive use revitalizes local economies and prioritizes economic prosperity, spurring new jobs, business growth, tax revenues, spending and new amenities for communities.   This webinar showcases the economic benefits of Superfund Redevelopment for communities across the country. Participants will hear about the most up-to-date economic numbers and success stories. They will also learn about tools used at Superfund sites to ensure that reuse projects meet local needs and reflect community priorities, as part of restoring the greatness of the American economy. To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/tio/superfund-redevelopment_042325/

  8. ٢٢ أبريل

    Audio for "Sediment Cap Chemical Isolation Training," Apr 22, 2025

    In 2023, ITRC published the Sediment Cap Chemical Isolation Guidance to supplement the 2014 Contaminated Sediments Remediation Guidance with the goal of improving consistency in sediment cap performance outcomes. Sediment capping is a commonly selected remediation approach and numerous designs have been completed. Previous cap designs have been evaluated in multiple ways, and these varying approaches have led to some differences in selection of chemical design criteria, construction tolerance specifications, and monitoring/maintenance objectives for sites with similar characteristics and contaminants, leading to different expectations for long-term performance and reliability. The ITRC Sediment Cap Chemical Isolation Guidance provides a framework for the design, construction, and long-term monitoring of the chemical isolation function of sediment caps. The framework consists of an iterative design process informed by site-specific data that balances achievement of chemical design criteria, physical design constraints, constructability and permitting requirements. In addition, the guidance summarizes key construction considerations and presents a recommended approach for monitoring and evaluating long-term chemical isolation performance. The recommended framework presented in the Sediment Cap Chemical Isolation Guidance is illustrated below. The Sediment Cap Chemical Isolation Training will cover several key elements of the recommended framework, including: A capping overview that summarizes objectives of capping, role of the chemical isolation layer, and generic cap types and compositions. A discussion of performance objectives and design concepts that includes the selection of chemical isolation performance targets criteria and development of design criteria while considering the site setting and conceptual site model elements. An overview of chemical isolation layer modeling tools and discussion of their applicability to support chemical isolation design, important model input parameters, and the impact of uncertainty and sensitivity of modeling results. A summary of chemical isolation construction considerations, including an overview of available construction methods and tolerances and quality assurance and quality control measures. A discussion of cap performance monitoring and maintenance objectives and approaches that include developing monitoring objectives to assess chemical isolation performance and methods for guiding long-term maintenance decisions. We encourage participants to review the ITRC Sediment Cap Chemical Isolation Guidance (SD-1) before and after the training to become familiar with the topics and recommendations discussed during the training. This training is intended for all environmental professionals working in the field of sediment capping projects, including regulators and other government agency staff, consultants, project stakeholders, and industry. To view this archive online or download the slides associated with this seminar, please visit http://www.clu-in.org/conf/itrc/sd-1_042225/

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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/.

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