Collections and Lists
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EPA-Approved Regulations in the Hawai'i SIP
EPA Approved Air Regulations in the Hawai'i State Implementation Plan (SIP).
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EPA in Alaska
Resources, news, information, and contacts for EPA activities in Alaska.
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Georgia NPDES Permits
NPDES water permits issued in Georgia.
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RRP Training Providers Course Information
Renovation, Repair and Painting Rule Model Training Courses, including e-learning are described in this website.
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Restoration Criteria for the Clinton River AOC: Phase 1, Final Report
The criteria developed for the BUIs delisting used to specify measurable endpoints that will allow the PAC and stakeholders to know when the remediation in the AOC has accomplished specified RAP goals.
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BUI Removal Documents on Cuyahoga River AOC
documents of the actions taken to remove the beneficial use impairments in Cuyahoga River Area of Concern, starting with the remedial action plan and buis removal.
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EPA's Denial of Petitions for Reconsideration of the Final Rule Establishing the 2013 Biomass-Based Diesel Volume
EPA is denying two petitions for reconsideration of the final rule entitled Regulation of Fuels and Fuel Additives: 2013 Biomass-Based Diesel Renewable Fuel Volume. Find the documents supporting this notice here.
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Climate Change Science
EPA tracks the science on the causes of climate change, observations of climate changes today, and the ways climate change could affect societies and ecosystems in the future.
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Petitions Received in 2017-2019 for Reconsideration, Rulemaking, or Reopening of the Endangerment and Cause or Contribute Findings for Greenhouse Gases Under Section 202(a) of the Clean Air Act
Petitions for Reconsideration, Rulemaking, or Reopening of the Endangerment and Cause or Contribute Findings for Greenhouse Gases Under Section 202(a) of the Clean Air Act
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Regulatory and Guidance Information by Topic: Water
Find regulatory information about topics including drinking water, ground water, hydraulic fracturing, mountaintop mining, oceans, beaches, wastewater and wetlands, stormwater, and animal feeding operations and CAFOs.
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EPA Approved Regulations in the Maryland SIP
EPA Approved Regulations in the Maryland SIP
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2018 Campus RainWorks Challenge Results
EPA’s Office of Water is pleased to announce its fifth annual Campus RainWorks Challenge for undergraduate and graduate students to design innvoative green infrastructure practices for stormwater management.
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Target Species and Size Classes
Target Species and Size Classes
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Fish Sample Types
Fish Sample Types
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Training Courses on Quality Assurance and Quality Control Activities
Training courses on quality assurance and quality control
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Direct Final Rule: Modifications to Standards and Requirements for Reformulated and Conventional Gasoline Including Butane Blenders and Attest Engagements Additional Resources
Supporting documents on EPA's direct final rule on several modifications to the reformulated gasoline (RFG) and conventional gasoline regulations.
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CAA Permitting in Region 2
Air permitting in EPA's Northeast region, Region 2; serving New Jersey, New York, Puerto Rico, the U.S. Virgin Islands and 8 Tribal Nations
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Waste Resources and Tools for Financing Compliance
Waste resources and tools which may be helpful during the financial planning process.
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EPA EcoBox Tools by Exposure Pathways - Food Chains
Eco-Box is a toolbox for exposure assessors. Its purpose is to provide a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases
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EPA Challenges & Prizes
EPA is a government leader in tapping the power of contributions from the public to help solve difficult problems that affect the environment and public health. Prize competitions allow federal agencies to pay only for successful solutions.