Learn the Issues
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Resource Conservation and Recovery Act (RCRA) Training Module about Hazardous Waste Identification
This module introduces the entire hazardous waste identification process, but focuses on the final steps, the definition of a hazardous waste.
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Resource Conservation and Recovery Act (RCRA) Training Module about Enforcement and Compliance
This module explains RCRA enforcement and describes the enforcement mechanisms.
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Resource Conservation and Recovery Act (RCRA) Training Module about Financial Assurance
This module explains the financial assurance requirements for closure and post-closure care for hazardous waste facilities.
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Approaches to Composting
EPA compiled information on the composting process including basics about the process and the various types of composting.
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Are farm suppliers and retailers exempt from 311 and 312?
Would a farm supplier or retail distributor be excluded from Sections 311 and 312 reporting based on the agricultural exemptions? Under Section 311(e)(5), retailers are exempted from reporting requirements for fertilizers only. Therefore, substances sold as fertilizers would not need to be reported under Sections 311 and 312 by retail…
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Finding Your LEPC
How can individuals find their LEPC? Under the Emergency Planning and Community Right-to-Know Act (EPCRA), Local Emergency Planning Committees (LEPCs) must develop an emergency response plan, review the plan at least annually, and provide information about chemicals in the community to citizens. Contact information for LEPCs is available by contacting…
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Clean Water Act (CWA) and CERCLA Hazardous Substance Lists
What is the relationship between the hazardous substance lists under the Clean Water Act (CWA) and under CERCLA? All CWA hazardous substances and CWA toxic pollutants are CERCLA hazardous substances, whereas only some CERCLA hazardous substances are CWA hazardous substances. CERCLA section 101(14) defines “hazardous substance” by reference to lists…
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CERCLA Hazardous Substances Defined
CERCLA section 103 release reporting requirements apply to "hazardous substances." How are CERCLA hazardous substances defined? The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) defines "hazardous substance" by reference to the following authorities: Clean Water Act (CWA) section 311 (“CWA Hazardous Substances”), CWA section 307(a) (“CWA Toxic Pollutants”), Clean…
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Applicability of EPCRA 311 and 312 to state and local government facilities
Are state and local government facilities subject to the Emergency Planning and Community Right-to-Know Act (EPCRA) Sections 311 and 312 in states with Occupational Safety and Health Administration (OSHA) approved state plans covering those facilities? The Occupational Safety and Health Act prohibits OSHA from covering state and local government workers…
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Using TRI Form R for Continuous Release Reporting
A facility wants to use the reduced reporting option under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) section 103(f)(2) for releases of hazardous substances that occur in a manner that is continuous and are stable in quantity and rate. Can the Toxics Release Inventory (TRI) Form R be…
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Public access of Title III documents
Section 324 of EPCRA addressing the public availability of documents, states that the emergency response plan, material safety data sheet or list submission, Tier I/II, Form R and Section 304 written follow-up notice are to be made available to the public by "the State Emergency Response Commission (SERC), or Local…
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Documents on Restoring Sheboygan River AOC
documents of the actions taken to remove the beneficial use impairments in Sheboygan River Area of Concern, starting with the remedial action plan and buis removal.
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Ocean and Coastal Acidification
Ocean and coastal acidification is an emerging issue caused by increasing amounts of carbon dioxide being absorbed by seawater. Changing seawater chemistry impacts marine life, ecosystem services, and humans. Learn what EPA is doing and what you can do.
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SEMS Search User Guide
Superfund is a program administered by the EPA to locate, investigate, and clean up the worst hazardous waste sites throughout the United States.
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2023 Safer Choice Partner of the Year Awards Ceremony and Partner and Stakeholder Summit
Event and registration information for EPA's Safer Choice Partner of the Year Awards Ceremony and Partner Stakeholder Summit 2022
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Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2016
View or download the Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2016.
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U.S. Court of Appeals—D.C. Circuit Upholds EPA's Action to Reduce Greenhouse Gases under the Clean Air Act
View greenhouse gas court decisions.
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Stakeholder Process for Natural Gas and Petroleum Systems in the 1990-2023 Inventory
This page provides information about stakeholder meetings and webinars on updates under consideration for the 1990-2022 GHG Inventory (to be released in April 2024).
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Learn About the Global Methane Initiative
Provides basic information about the purpose and organization of the Global Methane Initiative (GMI), including the roles of its participants.
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Final Third Five-Year Review Report for the Hudson River PCBs Superfund Site: Report Text & Appendices (01/16/25)
Final Third Five-Year Review Report for the Hudson River PCBs Superfund Site: Report Text & Appendices (01/16/25)