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


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

Upcoming Live Web Events

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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.

 
 
April 2015
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Download seminar information in iCalendar formatAdaptation of Superfund Cleanup to ...

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Download seminar information in iCalendar formatUS Small Business Funding Opportuni...

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Download seminar information in iCalendar formatNARPM Presents...The Superfund Job ...

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Download seminar information in iCalendar formatITRC Remedy Selection for Contamina...

Remedy Selection for Contaminated Sediments
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Download seminar information in iCalendar formatITRC Petroleum Vapor Intrusion: Fun...

Petroleum Vapor Intrusion: Fundamentals of Screening, Investigation, and Management
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Download seminar information in iCalendar formatSRI Webinar Series: How to Bring ab...

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Download seminar information in iCalendar formatMilitary Munitions Support Services...

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NARPM Presents...The Superfund Job Training Initiative (SuperJTI)

The Superfund Job Training Initiative (SuperJTI) is a job readiness program that provides training and employment opportunities for people living in communities affected by Superfund sites. Many of these areas are Environmental Justice communities - historically under-represented minority and low-income neighborhoods and areas burdened with significant environmental challenges. EPA's goal, through SuperJTI, is to help these communities develop job opportunities that remain long after a Superfund site has been cleaned up.

By participating in the webinar, participants will:
  • Understand how the SuperJTI program works;
  • Hear how the SuperJTI program has been implemented;
  • Discuss how SuperJTI programs benefited multiple stakeholders including the local community, contractors, EPA and especially participants;
  • Brainstorm sites that may be eligible for SuperJTI projects;
  • Receive information about how to contact SuperJTI staff and begin a SuperJTI program at their site/community.

Adaptation of Superfund Cleanup to Climate Change

Adaptation of Superfund Cleanup to Climate Change is a new two-hour webinar providing an overview of climate change vulnerability analyses and adaptation at contaminated sites. In some circumstances climate change may result in vulnerabilities in the protectiveness of contaminated site remedies. The course focuses on how such a vulnerability may be better understood and on the means of achieving increased remedy resilience through adaptation measures. The course builds upon a general understanding of the Superfund process, but is relevant to most cleanup programs. By taking the course, participants will gain a better understanding of the following topics:
  • Overview of Superfund-specific climate change action plan
  • Framing site-specific analyses to understand remedy vulnerabilities throughout the life of a remedy, and of adaptation measures that may increase remedy resilience
  • Tapping existing and relevant information resources when evaluating the potential impacts of climate at Superfund sites
  • Regional case studies of Superfund sites that have been impacted by a major weather event

Military Munitions Support Services - Planning for a Munitions Project

This will be a Military Munitions Support Services seminar with subject matter experts discussing the planning strategies and tools used to investigate or remediate munitions properties.

Military Munitions Support Services - Decision Making for a Munitions Project

This will be a Military Munitions Support Services seminar with subject matter experts discussing the strategies and tools used to enable sound remediation decisions at munitions properties.

Mine Tailings Fundamentals: Current Technology and Practice for Mine Tailings Facilities Operations and Closure

This two-part webinar in the CLU-IN mining webinar series will focus on mine tailing facilities. Some of the topics to be covered include design, construction, operation, closure, and maintenance and operation. Each session is designed to provide sufficient time for presentations and interaction with the participants.

Part One (Tuesday, May 19): Topics related to mine tailings facilities will include design features, siting, operation, and maintenance. Examples will be presented to discuss issues that can arise during the operation of tailings facilities and how to take steps to prevent them.

Part Two (Wednesday, May 20): This presentation on best management practices for mine tailings facilities will provide details related to decommissioning mine tailings piles. The majority of this webinar will focus on considerations for final covers used in closing tailings facilities. Some of the details to be presented include cover design, performance, and operation and maintenance.

Mine Tailings Fundamentals: Current Technology and Practice for Mine Tailings Facilities Operations and Closure

This two-part webinar in the CLU-IN mining webinar series will focus on mine tailing facilities. Some of the topics to be covered include design, construction, operation, closure, and maintenance and operation. Each session is designed to provide sufficient time for presentations and interaction with the participants.

Part One (Tuesday, May 19): Topics related to mine tailings facilities will include design features, siting, operation, and maintenance. Examples will be presented to discuss issues that can arise during the operation of tailings facilities and how to take steps to prevent them.

Part Two (Wednesday, May 20): This presentation on best management practices for mine tailings facilities will provide details related to decommissioning mine tailings piles. The majority of this webinar will focus on considerations for final covers used in closing tailings facilities. Some of the details to be presented include cover design, performance, and operation and maintenance.

US Small Business Funding Opportunities (SBIR/STTR) for Environmental Technologies at NIEHS SRP, EPA, and NSF

This webinar is designed to help small businesses and academic researchers better understand the different agencies that fund environmental technologies, and the fundamental goals of the Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) programs.

The SBIR and STTR programs are one of the largest sources of funding for eligible U.S. small businesses [http://www.sbir.gov/faq/eligibility] to develop innovative high technical risk technologies that have potential for substantial commercial or societal benefits.

The webinar is hosted jointly by the SBIR/STTR programs within the National Institute of Environmental Health Sciences Superfund Research Program (NIEHS SRP), the U.S. Environmental Protection Agency (EPA), and the National Science Foundation (NSF). Hear agency experts —Heather Henry from NIEHS SRP; April Richards from EPA; and Prakash Balan from NSF — highlight the unique characteristics of each of their environmental funding options, details of their SBIR/STTR programs, and tips on how to develop a successful SBIR/STTR application. A majority of the time will be dedicated to a Q&A session at the end of the webinar, which will be moderated by Kirsten Mease from NIEHS.

The NIEHS SRP SBIR/STTR programs fund the development of technologies for the detection and remediation of hazardous chemicals at contaminated Superfund sites.

The EPA SBIR program funds small businesses focused on technologies for the treatment of drinking water and wastewater; air quality sensors, filters, and pollution reduction; and innovative green manufacturing and green materials.

The NSF SBIR/STTR environmental programs fund any innovative technologies which have a significant, beneficial impact on the environment and enhance sustainability. Technologies include, but are not limited to, innovations in energy and bioenergy; biotechnology; separations; green chemistry-based products and byproducts; water conservation and reuse; agriculture; and chemical, food, and pharmaceutical processing.

SRI Webinar Series: How to Bring about Ecological Revitalization on Contaminated Lands

Ecological revitalization refers to the process of returning land from a contaminated state to one that supports a functioning and sustainable habitat. While the end use of a contaminated property is typically a local decision made with the site owner, EPA actively supports and encourages ecological revitalization, when appropriate, on sites under its cleanup programs. This webinar will share several benefits of ecological revitalization illustrated by case study presentations of various projects across the country. Ecological revitalization topics will include habitat restoration, soil amendment usage, urban gardens and pollinator habitat development.

SRI Webinar Series: Green Infrastructure: Reusing Contaminated Sites and Promoting Sustainable Communities

This webinar will introduce green infrastructure elements in the context of reusing and revitalizing contaminated lands. Site-specific projects will be used to discuss reuse projects that with green infrastructure elements such as habitat conservation, stormwater management, recreational opportunities and quality of life for communities nearby the contaminated land. The webinar will also share green infrastructure considerations and opportunities for future projects looking to sustainably return contaminated lands to productive and beneficial use for communities.

SRI Webinar Series: Bringing Alternative Energy Projects to Superfund Sites

As communities, towns and businesses across the United States are looking for ways to reduce greenhouse gas emissions, lower utility bills and use alternative energy sources, Superfund sites and other contaminated properties have continued to garner interest. Nationally, Superfund sites have been put back into beneficial use producing energy from solar, wind, hydro-electric, biomass, and landfill gas-to-energy projects. This webinar will share several site-specific case study examples detailing how the potential for alternative energy was assessed, steps that had to be taken to facilitate the reuse in a way that would also be compatible with the remedy, and any economic or environmental incentives used to fund make these projects fiscally possible.

SRI Webinar Series: Potentially Responsible Party (PRP) Perspectives on Superfund Site Reuse

A potentially responsible party, or PRP, is an individual or company that is potentially responsible for contamination problems at a Superfund site. Whenever possible, EPA requires PRPs to clean up hazardous waste sites the PRP may have contaminated. Many PRPs not only perform the cleanup, but also seek ways to return the site to beneficial use for the community and maximize the extent of land use on the site. Presenters on this webinar will include representatives from several PRP groups who have taken an active role in facilitating the beneficial use of sites they manage and who have worked collaboratively with EPA over many years to ensure that both the cleanup and the reuse of the property remain protective of human health and the environment.
Interstate Technology Regulatory Council
Seminars Sponsored by the Interstate Technology and Regulatory Council


Remedy Selection for Contaminated Sediments

Interstate Technology Regulatory Council The sediments underlying many of our nationís major waterways are contaminated with toxic pollutants from past industrial activities. Cleaning up contaminated sediments is expensive and technically-challenging. Sediment sites are unique, complex, and require a multidisciplinary approach and often project managers lack sediments experience. ITRC developed the technical and regulatory guidance, Remedy Selection for Contaminated Sediments (CS-2, 2014), to assist decision-makers in identifying which contaminated sediment management technology is most favorable based on an evaluation of site specific physical, sediment, contaminant, and land and waterway use characteristics. The document provides a remedial selection framework to help identify favorable technologies, and identifies additional factors (feasibility, cost, stakeholder concerns, and others) that need to be considered as part of the remedy selection process. This ITRC training course supports participants with applying the technical and regulatory guidance as a tool to overcome the remedial challenges posed by contaminated sediment sites. Participants learn how to:
  • Identify site-specific characteristics and data needed for site decision making
  • Evaluate potential technologies based on site information
  • Select the most favorable contaminant management technology for their site
For reference during the training class, participants should have a copy of Figure 2-1, Framework for Sediment Remedy Evaluation. It is available as a 1-page PDF at http://www.cluin.org/conf/itrc/ContSedRem/ITRC-SedimentRemedyEvaluation.pdf.

Participants should also be familiar with the ITRC technology and regulatory guidance for Incorporating Bioavailability Considerations into the Evaluation of Contaminated Sediment Sites Website (CS-1, 2011) and associated Internet-based training that assists state regulators and practitioners with understanding and incorporating fundamental concepts of bioavailability in contaminated sediment management practices.

Petroleum Vapor Intrusion: Fundamentals of Screening, Investigation, and Management

Interstate Technology Regulatory Council Chemical contaminants in soil and groundwater can volatilize into soil gas and migrate through unsaturated soils of the vadose zone. Vapor intrusion (VI) occurs when these vapors migrate upward into overlying buildings through cracks and gaps in the building floors, foundations, and utility conduits, and contaminate indoor air. If present at sufficiently high concentrations, these vapors may present a threat to the health and safety of building occupants. Petroleum vapor intrusion (PVI) is a subset of VI and is the process by which volatile petroleum hydrocarbons (PHCs) released as vapors from light nonaqueous phase liquids (LNAPL), petroleum-contaminated soils, or petroleum-contaminated groundwater migrate through the vadose zone and into overlying buildings. Fortunately, in the case of PHC vapors, this migration is often limited by microorganisms that are normally present in soil. The organisms consume these chemicals, reducing them to nontoxic end products through the process of biodegradation. The extent and rate to which this natural biodegradation process occurs is strongly influenced by the concentration of the vapor source, the distance the vapors must travel through soil from the source to potential receptors, and the presence of oxygen (O2) in the subsurface environment between the source and potential receptors.

The ITRC Technical and Regulatory Guidance Web-Based Document, Petroleum Vapor Intrusion: Fundamentals of Screening, Investigation, and Management (PVI-1, 2014) and this associated Internet-based training provides regulators and practitioners with consensus information based on empirical data and recent research to support PVI decision making under different regulatory frameworks. The PVI assessment strategy described in this guidance document enables confident decision making that protects human health for various types of petroleum sites and multiple PHC compounds. This guidance provides a comprehensive methodology for screening, investigating, and managing potential PVI sites and is intended to promote the efficient use of resources and increase confidence in decision making when evaluating the potential for vapor intrusion at petroleum-contaminated sites. By using the ITRC guidance document, the vapor intrusion pathway can be eliminated from further investigation at many sites where soil or groundwater is contaminated with petroleum hydrocarbons or where LNAPL is present.

After attending this ITRC Internet-based training, participants should be able to:
  • Determine when and how to use the ITRC PVI document at their sites
  • Describe the important role of biodegradation impacts on the PVI pathway (in contrast to chlorinated solvent contaminated sites)
  • Value a PVI conceptual site model (CSM) and list its key components
  • Apply the ITRC PVI 8 step decision process to screen sites for the PVI pathway and determine actions to take if a site does not initially screen out, (e.g., site investigation, modeling, and vapor control and site management)
  • Access fact sheets to support community engagement activities at each step in the process
For reference during the training class, participants should have a copy of the flowcharts, Figures 1-2, 3-2, and 4-1 from the ITRC Technical and Regulatory Guidance Web-Based Document, Petroleum Vapor Intrusion: Fundamentals of Screening, Investigation, and Management (PVI-1, 2014) and are available as a 3-page PDF at http://www.cluin.org/conf/itrc/PVI/ITRC-PVI-FlowCharts.pdf

Starting in late 2015, ITRC will offer a 2-day PVI focused classroom training at locations across the US. The classroom training will provide participants the opportunity to learn more in-depth information about the PVI pathway and practice applying the ITRC PVI guidance document with a diverse group of environmental professionals. Email training@itrcweb.org if you would like us to email you when additional information is available.

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.

Soil Sampling and Decision Making Using Incremental Sampling Methodology - Parts 1 and 2

Interstate Technology Regulatory Council When sampling soil at potentially contaminated sites, the goal is collecting representative samples which will lead to quality decisions. Unfortunately traditional soil sampling methods don't always provide the accurate, reproducible, and defensible data needed. Incremental Sampling Methodology (ISM) can help with this soil sampling challenge. ISM is a structured composite sampling and processing protocol that reduces data variability and provides a reasonable estimate of a chemical's mean concentration for the volume of soil being sampled. The three key components of ISM are systematic planning, field sample collection, and laboratory processing and analysis. The adequacy of ISM sample support (sample mass) reduces sampling and laboratory errors, and the ISM strategy improves the reliability and defensibility of sampling data by reducing data variability.

ISM provides representative samples of specific soil volumes defined as Decision Units. An ISM replicate sample is established by collecting numerous increments of soil (typically 30 to 100 increments) that are combined, processed, and subsampled according to specific protocols. ISM is increasingly being used for sampling soils at hazardous waste sites and on suspected contaminated lands. Proponents have found that the coverage afforded by collecting many increments, together with disciplined processing and subsampling of the combined increments, yields consistent and reproducible results that in most instances have been preferable to the results obtained by more traditional (e.g. discrete) sampling approaches.

This 2-part training course along with ITRC's web-based Incremental Sampling Methodology Technical and Regulatory Guidance Document (ISM-1, 2012) is intended to assist regulators and practitioners with the understanding the fundamental concepts of soil/contaminant heterogeneity, representative sampling, sampling/laboratory error and how ISM addresses these concepts. Through this training course you should learn:

  • basic principles to improve soil sampling results
  • systematic planning steps important to ISM
  • how to determine ISM Decision Units (DU)
  • the answers to common questions about ISM sampling design and data analysis
  • methods to collect and analyze ISM soil samples
  • the impact of laboratory processing on soil samples
  • how to evaluate ISM data and make decisions

In addition this ISM training and guidance provides insight on when and how to apply ISM at a contaminated site, and will aid in developing or reviewing project documents incorporating ISM (e.g., work plans, sampling plans, reports). You will also be provided with links to additional resources related to ISM.

The intended users of this guidance and training course are state and federal regulators, project managers, and consultant personnel responsible for and/or directly involved in developing, identifying or applying soil and sediment sampling approaches and establishing sampling objectives and methods. In addition, data end users and decision makers will gain insight to the use and impacts of ISM for soil sampling for potentially contaminated sites.

Recommended Reading: We encourage participants to review the ITRC ISM document(http://www.itrcweb.org/ISM-1/) prior to participating in the training classes. If your time is limited in reviewing the document in advance, we suggest you prioritize your time by reading the Executive Summary, Chapter 4 "Statistical Sampling Designs for ISM," and Chapter 7 "Making Decisions Using ISM Data" to maximize your learning experience during the upcoming training classes.

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.

Soil Sampling and Decision Making Using Incremental Sampling Methodology - Part 2

Interstate Technology Regulatory Council When sampling soil at potentially contaminated sites, the goal is collecting representative samples which will lead to quality decisions. Unfortunately traditional soil sampling methods don't always provide the accurate, reproducible, and defensible data needed. Incremental Sampling Methodology (ISM) can help with this soil sampling challenge. ISM is a structured composite sampling and processing protocol that reduces data variability and provides a reasonable estimate of a chemical's mean concentration for the volume of soil being sampled. The three key components of ISM are systematic planning, field sample collection, and laboratory processing and analysis. The adequacy of ISM sample support (sample mass) reduces sampling and laboratory errors, and the ISM strategy improves the reliability and defensibility of sampling data by reducing data variability.

ISM provides representative samples of specific soil volumes defined as Decision Units. An ISM replicate sample is established by collecting numerous increments of soil (typically 30 to 100 increments) that are combined, processed, and subsampled according to specific protocols. ISM is increasingly being used for sampling soils at hazardous waste sites and on suspected contaminated lands. Proponents have found that the coverage afforded by collecting many increments, together with disciplined processing and subsampling of the combined increments, yields consistent and reproducible results that in most instances have been preferable to the results obtained by more traditional (e.g. discrete) sampling approaches.

This 2-part training course along with ITRC's web-based Incremental Sampling Methodology Technical and Regulatory Guidance Document (ISM-1, 2012) is intended to assist regulators and practitioners with the understanding the fundamental concepts of soil/contaminant heterogeneity, representative sampling, sampling/laboratory error and how ISM addresses these concepts. Through this training course you should learn:

  • basic principles to improve soil sampling results
  • systematic planning steps important to ISM
  • how to determine ISM Decision Units (DU)
  • the answers to common questions about ISM sampling design and data analysis
  • methods to collect and analyze ISM soil samples
  • the impact of laboratory processing on soil samples
  • how to evaluate ISM data and make decisions

In addition this ISM training and guidance provides insight on when and how to apply ISM at a contaminated site, and will aid in developing or reviewing project documents incorporating ISM (e.g., work plans, sampling plans, reports). You will also be provided with links to additional resources related to ISM.

The intended users of this guidance and training course are state and federal regulators, project managers, and consultant personnel responsible for and/or directly involved in developing, identifying or applying soil and sediment sampling approaches and establishing sampling objectives and methods. In addition, data end users and decision makers will gain insight to the use and impacts of ISM for soil sampling for potentially contaminated sites.

Recommended Reading: We encourage participants to review the ITRC ISM document (http://www.itrcweb.org/ISM-1/) prior to participating in the training classes. If your time is limited in reviewing the document in advance, we suggest you prioritize your time by reading the Executive Summary, Chapter 4 "Statistical Sampling Designs for ISM," and Chapter 7 "Making Decisions Using ISM Data" to maximize your learning experience during the upcoming training classes.