Learn the Issues
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Gonzales, Louisiana Explores Transportation Electrification Opportunities
Case study about using a workshop on transportation electrification in Gonzales, Louisiana, through OCR's technical assistance.
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AVERT Overview
AVERT Overview
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Water Affordability Case Studies
Water affordability is the ability of an individual household to pay for essential water services bills, including drinking water, wastewater, and stormwater, without sacrificing other household needs.
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Contacts for the Green-Duwamish Watershed
Contact information for the Urban Waters Federal Partnership with the Green-Duwamish Watershed
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Fuel Oxygenates and USTs
Learn about fuel oxygenates, which are used as a fuel additive and octane enhancer in reformulated gasoline, oxygenated fuel, and premium grades of unleaded gasoline.
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Safe Drinking Water Act (SDWA)
An overview of the Safe Drinking Water Act and other information on specific aspects of the law as implemented in regulation and guidance
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Petroleum Vapor Intrusion
One type of vapor intrusion is PVI, in which vapors from petroleum hydrocarbons such as gasoline, diesel, or jet fuel enter a building. Intrusion of contaminant vapors into indoor spaces is of concern.
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Chemical Manufacturers, Importers, and Exporters: Frequent Questions
Chemical manufacturers, importers, and exporters are required to operate within a system of allowances. This information will help those in the chemical industry understand their role in the phaseout of HCFCs in the United States.
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Final Clean Air Visibility Rule Will Restore Visibility in America's National Parks and Wilderness Areas
EPA has proposed an emissions trading program to help state and tribal governments improve visibility in national parks and wilderness areas.
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Final Action to Address Regional Haze - 2012
Final Action to Address Regional Haze - 2012
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Benefits, Impacts, and Studies of Preventing and Cleaning Up UST Releases
Learn about the benefits of EPA’s UST program in preventing and cleaning up UST releases.
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2020 Air Emissions Data
Links to all things 2020 NEI, on how to get data
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News from the Center for Environmental Finance - Volume 4, Issue 1 - February 2014
The Green Infrastructure Summit Brings Together Communities that are advancing green infrastructure programs and to engage in dialogue surrounding implementation opportunities and obstacles.
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EPA Finalizes Emissions Trading Program Helping State and Tribal Governments Improve Visibility in National Parks and Wilderness Areas
EPA has finalized an emissions trading program to help state and tribal governments improve visibility in national parks and wilderness areas.
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1999 Regional Haze Rule for Protection of Visibility in National Parks and Wilderness Areas
1999 Regional Haze Rule for Protection of Visibility in National Parks and Wilderness Areas
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Recommended Area Designations for the 2012 National Air Quality Standards for Fine Particles - Aug 2014
In response to recommendations from state and tribal representatives, EPA sent letters outlining the areas it’s intended designations for the annual fine particle air quality standards set in 2012.
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EPA Finalizes Initial Area Designations for the 2012 National Air Quality Standard for Fine Particles - Dec 2014
After considering state and tribal recommendations, reviewing the most recent certified fine particle air quality data, and emissions that contribute fine particle pollution, EPA has completed initial designations for the 2012 annual fine particle standard
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EPA Establishes Additional Final Area Designations for the 2012 Annual Fine Particle Standard for Areas in Georgia and Florida
EPA issues initial designations for certain areas in Georgia and Florida for the 2012 primary annual national ambient air quality standard for fine particle pollution.
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Additional Final Area Designations and Technical Amendment for the 2012 Annual Fine Particle Standard Established in 2012 - March 2015
EPA is establishing or revising initial area designations and a technical amendment to correct an inadvertent error in the initial designation for one area for the 2012 annual national ambient air quality standards for fine particle pollution.
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PM25 NAAQS Final SIP Requirements Rule July 2016
This rule establishes planning requirements for states with areas that do not meet the National Ambient Air Quality Standards for fine particle pollution.