Learn the Issues
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Past Emergencies
These activities, some of national significance requiring coordination with other agencies, demonstrate the emergency response program and provide valuable experience so that EPA can better prevent, prepare for, and respond to emergencies in the future.
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What is a site assessment and what is the difference between a site assessment and a site investigation?
The first step of the site assessment process is known as a preliminary assessment (PA). This assessment gathers historical and other readily available information on site conditions and surroundings to evaluate whether the site poses a potential threat to human health and the environment and/or whether further investigation is needed…
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What questions was EPA trying to find answers to during its first round of sampling at the Norwood Landfill site?
The main question that EPA seeks to answer is whether the identified waste areas warrant consideration for placement of the Site on the National Priorities List (NPL) or Superfund List. In the first round of sampling, EPA collected surface soil samples (0-2 feet) from the landfill property, and surface water…
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Why did EPA wait so long to begin its investigation of the Norwood Landfill and Old Norwood Dump?
In the months leading up to the preliminary assessment, EPA gathered information on the property to determine whether a site investigation under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) was warranted. EPA determined to proceed with an investigation and EPA began procuring contractor services to conduct the preliminary…
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What is the key question EPA tries to answer through a site investigation?
Findings of the site investigation determine what hazardous substances may be present, whether they may be released to the environment, and any potential threat to human health. Information about the site that is collected in the preliminary assessment and site investigation phase helps EPA to evaluate the risks posed by…
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Particle Pollution Designations Memorandum and Data for the 2024 Revised Annual PM2.5 NAAQS
Particle pollution designations guidance
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Norwood, Pennsylvania: EPA Technical Assistance Resources
List of resources
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Investigating for Possible Contamination in the East Avenue Study Area
Primary source of information of the EPA Erie Coke Corp Site Assessment: What Has Been Done, Current Status, Site Documents and Data, EPA Resources, Contacts, Photos, and FAQs. This information is available in translated languages.
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Lead Designations - Ohio State Recommendations and EPA Responses
Lead Designations - 2008 Standards. Ohio State Recommendations and EPA Responses, Round 1 and 2
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Hypoxia Task Force Reports to Congress
The Hypoxia Task Force 2015 Report to Congress.
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Hazardous Waste Cleanup: Rutherford Chemicals, LLC in Harriman, New York
This facility, located in Harriman, New York, on Route 17 at Arden House Road, manufactures organic and pharmaceutical intermediate chemicals, and has been in operation since the early 1950s. The principle products are pyridine, picolines and cyanopyridine
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PolyMet (now NewRange Copper Nickel, LLC)
EPA Region 5 completed a screening of the PolyMet project under CWA Section 401(a)(2). EPA determined that the discharge from the proposed PolyMet project “may affect” the water quality of both the Band and Wisconsin.
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Reinstatement of the Gasoline Volatility Waiver for Ohio
EPA is approving the reinstatement of the 1-psi volatility waive for gasoline-ethanol blends containing 10 percent ethanol in Ohio.
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Environmental Monitoring in the Everglades and Big Cypress
Get data and reports about Everglades ecosystem monitoring and assessment activities.
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Quality Program Virtual Training Event February 8-9, 2022
This page contains the link to the session recordings from the Quality Program Virtual Training Event held Feb 8-9, 2022
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U.S.-Mexico Demonstration of Fuel Switching on Ocean Going Vessels in the Gulf of America
U.S.-Mexico Demonstration of Fuel Switching on Ocean Going Vessels in the Gulf of Mexico document
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Green Building Tools for Tribes
Tribal green building tools and funding information to support Tribal building code adoption, healthy building, siting, energy efficiency, renewable energy, water conservation, green building materials, recycling and adaptation and resilience.
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Healthy Places for Healthy People
Describes the Healthy Places for Healthy People technical assistance program that helps communities create walkable, healthy, economically vibrant places by engaging with local health care facility partners
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October 23-24, 2019 Meeting of the Human Studies Review Board
October 23-24, 2019 Meeting of the Human Studies Review Board
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Examples of Participatory Science Projects Supported by EPA
citizen science projects