Laws & Regulations
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Selecting a Groundwater Remedy
Access key EPA groundwater guidance and other reports on groundwater that are used frequently by Superfund Remedial Project Managers.
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Cost in the Remedy Selection Process
The purpose of this information is to clarify the current role of cost in the Superfund remedy selection process
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Applicable or Relevant and Appropriate Requirements (ARARs)
On-site remedial actions must attain or waive the Applicable or Relevant and Appropriate Requirements (ARARs) upon completion. The following links provide information about identifying, attaining and waiving these requirements.
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Completing a Groundwater Response
Use this guidance to help assess whether remedial action is working as anticipated and if remedial goals or technologies need to be modified to restore groundwater to beneficial use.
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Notification: EPA's Fiscal Year 2021 Financial Statements
Project #OA-FY21-0170, May 14, 2021. The OIG plans to begin our audit of the U.S. Environmental Protection Agency’s fiscal year 2021 financial statements in May 2021.
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Leading with Green Infrastructure in Louisville
The Louisville Metropolitan Sewer District developed a plan including green and gray infrastructure to meet the requirements of their 2005 consent decree and 2009 amended version.
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Iowa SIP: Union Tank Car Company - Source Specific Orders and Permits
EPA Approved Iowa Regulations - 40 CFR 52.820(d) - Union Tank Car Company - Source Specific Orders and Permits
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Groundwater Technologies
Superfund groundwater cleanup technologies and strategies have evolved since the program’s inception in 1980. Access guidance and technical information on groundwater remediation and measurement technology.
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Superfund Regulatory Compliance
Access guidance for selecting and documenting Superfund Remedial and Non-Time-Critical Removal Action decisions.
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Superfund Regulations
Access links to EPA web pages with simplified explanations of the Superfund regulatory process.
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Data Standards
Describes EPA data standards and links to other topics related to data standards. TRIBES and related federal standards included.
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Model: Informational Notice Letter to Local Governments
Provides information to municipalities and other local governments about EPA's activities at a Superfund site.
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Addressing Combined Sewer Overflows Using Green Infrastructure
Many communities with combined sewer systems are installing green infrastructure in addition to gray infrastructure projects to more effectively meet their Clean Water Act (CWA) requirements.
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City of Evansville Clean Water Act Settlement
The city of Evansville has agreed to make extensive improvements to its sewer systems that will significantly reduce the city's longstanding sewage overflows into the Ohio River.
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2006 Clean Air Act Vehicle and Engine Enforcement Case Resolutions
CAA Vehicle and Engine Settlements
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Case Summary: Settlement Reached at Plymouth Wood Treating Plant Site, NC
Consent decree to address cleanup at the Plymouth Wood Treating Plant Site near Plymouth, NC, at an expected cost of $1.959 million.
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Toxic Substances Control Act (TSCA) and Federal Facilities
The Toxic Substances Control Act (TSCA) of 1976 provides EPA with authority to require reporting, record-keeping and testing requirements, and restrictions relating to chemical substances and/or mixtures.
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Water Quality Standards Regulations: Arizona
Water Quality Standards for Arizona that are EPA-approved or in effect for Clean Water Act purposes.