U.S. EPA Superfund Remedial Program's Approach for Addressing Radioactive Contamination

The U.S. Environmental Protection Agency (EPA) Superfund program has developed regulations and guidance for remediating radioactively contaminated CERCLA sites. The focus of this presentation is an overview of EPA's recommended guidance documents on ARARs and risk assessment, models for conducting risk and dose assessments, and community involvement tools for engaging in meaningful involvement with the public that are intended to be used during the process to determine cleanup levels for radioactively contaminated Superfund sites. The presentation is intended to help the audience obtain knowledge of EPA's recommended guidance to facilitate cleanups that are consistent with how chemical contaminants are addressed, except where technical differences posed by radiation are addressed. The guidance and tools that are discussed in the presentation are freely available on the internet. This webinar provides an updated version of Module 3 that was presented in the ITRC webinar "Radiation Site Cleanup: CERCLA Requirements and Guidance" on June 5, 2007.

Stuart Walker, U.S. EPA Office of Superfund Remediation and Technology Innovation (walker.stuart@epa.gov)
Stuart Walker has been employed by U.S. EPA in Washington, DC since 1990 in either the Superfund program (the Office of Superfund Remediation and Technology Innovation) or the Office of Radiation and Indoor Air working on issues regarding the cleanup of contaminated sites. His primary area of responsibility includes serving as the Superfund program's national lead on issues regarding radioactively contaminated CERCLA sites. In this role, Stuart develops national policy for risk assessment including models, community involvement, compliance with Applicable or Relevant and Appropriate requirements (ARARs), establishing cleanup levels and management of radioactive contamination at CERCLA sites.

Moderator:

Jean Balent, U.S. EPA Technology Innovation and Field Services Division (balent.jean@epa.gov or 202-566-0832)
Ms Balent is on the staff of the EPA's Technology Innovation and Field Services Division where she has worked to collect and disseminate hazardous waste remediation and characterization information since 2003. Ms Balent manages the Clean Up Information Network website and actively supports online communication and collaboration resources available to EPA. She formerly worked with the US Army Corps of Engineers Environmental Engineering Division in the Buffalo District. Ms Balent was also a member of the SUNY-Buffalo Groundwater Research Group where she constructed and tested large scale models of groundwater flow. Ms Balent has also conducted research relating to the Great Lakes, environmental remediation, and brownfields re-development. She holds a Bachelor's degree in environmental engineering from SUNY-Buffalo and a Master's degree in Information Technology from AIU.

• Slide Presentation for Superfund Remedial Program's Approach for Addressing Radioactive Contamination (4.23MB/PDF)

Webinar Slides and References:

• Slide Presentation for Superfund Remedial Program's Approach for Addressing Radioactive Contamination (4.23MB/PDF)

Additional Resources:

• US EPA Radiation at Superfund Sites
• Superfund Radiation Risk Assessment And How You Can Help: An Overview
• Superfund Radiation Risk Assessment: A Community Toolkit
• Use of Uranium Drinking Water Standards under 40 CFR 141 and 40 CFR 192 as Remediation Goals for Groundwater at CERCLA sites (PDF)
• Establishment of Cleanup Levels for CERCLA Sites with Radioactive Contamination (PDF)
• Use of Soil Cleanup Criteria in 40 CFR Part 192 as Remediation Goals for CERCLA Sites (PDF)
• Radiation Risk Assessment At CERCLA Sites: Q & A (PDF)
• Soil Screening Guidance for Radionuclides: User's Guide (PDF)
• Soil Screening Guidance for Radionuclides: Technical Background Document (PDF)
• PRG Calculator
• US EPA Soil Screening Guidance
• Preliminary Remediation Goals for Radionuclides in Buildings (BPRG)
• Radon Vapor Intrusion Level (RVISL) for Superfund electronic calculator

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Date of Seminar:

 April 17, 2024: U.S. EPA Superfund Remedial Program's Approach for Addressing Radioactive Contamination

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It is EPA's policy to make reasonable accommodation to persons with disabilities wishing to participate in the agency's programs and activities, pursuant to the Rehabilitation Act of 1973, 29 U.S.C. 791. Any request for accommodation should be made to at or , preferably one week or more in advance of the webinar, so that EPA will have sufficient time to process the request. EPA would welcome specific recommendations from requestors specifying the nature or type of accommodation needed. EPA welcomes specific recommendations from requestors specifying the nature or type of accommodation needed. Please note that CLU-IN provides both alternate phone call-in options and closed captioning for all webinars, and requests for these specific accommodations are not necessary.

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