Collections and Lists
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President's Environmental Youth Award (PEYA) 2021 Winners
Summary of past and current President's Environmental Youth Award winners.
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President's Environmental Youth Award (PEYA) 2022 Winners
Summary of past and current President's Environmental Youth Award winners.
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President's Environmental Youth Award (PEYA) 2025 Winners
Summary of past and current President's Environmental Youth Award winners.
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President's Environmental Youth Award (PEYA) 2023 Winners
Summary of past and current President's Environmental Youth Award winners.
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Presidential Innovation Award for Environmental Educators (PIAEE) 2022 Winners
Summaries of winners of the Presidential Innovation Award for Environmental Educators, and links to winners of past years.
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Water Research Outputs
Water research program deliverables.
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EPA Approved North Dakota Source-Specific Requirements
EPA Approved North Dakota Source-Specific Requirements
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Fuels Registration, Reporting and Compliance Help
Registration requirements and health effects testing of new fuels/fuel additives; mandatory registration/reporting for parties regulated under fuel programs.
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Operating Permits Issued under Title V of the Clean Air Act
This site will provide basic information on clean air permitting under the title V operating permits program, provide access to state and regional permitting programs, and maintain access to proposed and final regulatory requirements.
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Southeast New England Program
The Southeast New England Program aims to enhance collaboration among stakeholders and promote innovation in policy, monitoring and best management practices in Rhode Island and southeast Massachusetts.
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PWS-AOC-2017-6000: San Carlos Apache Tribe of the San Carlos Reservation, San Carlos, AZ
Amended Administrative Order on Consent in the matter of San Carlos Apache Tribe of the San Carlos Reservation, Arizona, and the San Carlos Apache Tribal Utility Authority, Respondents. EPA Docket No. PWS-AOC-2017-6000.
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Criminal Enforcement's Intergovernmental Partnerships
Provides information on EPA Criminal Enforcement partnerships with state, local agencies, international partners
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Visiting the Pacific Southwest (Region 9) Office
The main office of EPA Region 9 is located at 75 Hawthorne Street in the South of Market area of downtown San Francisco. Visitors may come to 75 Hawthorne Street for conferences, meetings, and use of the Environmental Information Center.
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IAQ Science and Technologies
List of links to learn about indoor air quality.
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Updates Under Consideration for Natural Gas and Petroleum Systems in the 1990-2016 GHG Inventory
Materials related to EPA's June 22, 2017 Stakeholder Workshop on updates to the 1990-2017 U.S. Inventory of Greenhouse Gas Emissions and Sinks, including draft agenda and memos.
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How it Works
A quick primer on using the Managing and Transforming Waste Streams Tool.
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Great Lakes Funding
EPA's Great Lakes National Program Office funds activities that advance protection and restoration of the Great Lakes ecosystem.
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Iranian APT Actors Targeting PLCs: Impacts and Mitigations for Water and Wastewater Systems
EPA will address the active cyber threat posed by Iranian affiliated advanced persistent threat (APT) actors targeting internet exposed programmable logic controllers (PLCs) across U.S. critical infrastructure, including water and wastewater systems
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Targeted Airshed Grant Recipients
Table of previous Targeted Airshed Grant recipients
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Popular Resources for Delaware
Popular resources for Delaware from EPA.