Science & Technology
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An Applied General Equilibrium Model for the Analysis of Environmental Policy: SAGE v1.0 Technical Documentation
This is a working paper titled "An Applied General Equilibrium Model for the Analysis of Environmental Policy: SAGE v1.0 Technical Documentation"
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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.
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New: EPA OIG Hotline Information
The EPA OIG Hotline receives complaints of fraud, waste, and abuse in EPA programs and operations including mismanagement or violations of law, rules, or regulations by EPA employees or program participants.
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EPA Dynamically Downscaled Ensemble (EDDE)
The EPA Dynamically Downscaled Ensemble (EDDE) is a collection of physics-based modeled data that represent historical and future atmospheric conditions under different scenarios.
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Relative Extent, Relative Risk and Attributable Risk
This page provides information on the analysis of relative extent, relative risk and attributable risk.
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Background of the National Aquatic Resource Surveys
The National Aquatic Resource Surveys (NARS) are statistical surveys designed to assess the status of and changes in quality of the nation’s coastal waters, lakes and reservoirs, rivers and streams, and wetlands.
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National Lakes Assessment 2017 Key Findings
key findings of the national lakes assessment report 2017
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Studies Related to the National Aquatic Resource Surveys
Access to information on tools and data that are related to the National Aquatic Resource Surveys (NARS).
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National Lakes Assessment
The National Lakes Assessment is a collaborative, statistical survey of the nation's lakes. It is one of four national surveys that EPA and its partners conduct to assess the condition and health of the nation's water resources.
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RE-Powering America’s Land Initiative Webinars
Webinars recorded from previous RE-Powering America’s Land Initiative presentations.
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List of Benchmark Dose Models
List of benchmark dose models available in the BMDS application, along with a list of models included in previous versions of the software
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NCP Product Schedule (Products Available for Use on Oil Spills)
Listing of products submitted to (though not necessarily endorsed by) EPA as per Subpart J of the National Oil and Hazardous Substances Pollution Contingency Plan.
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Conformity Adequacy Review: Region 5
Resources are for air quality and transportation government and community leaders. Information on the conformity SIP adequacy/inadequacy of state implementation plans (SIPs) in EPA Region 5 (IL, IN, MI, OH, WI) is provided here.
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Vehicle Emissions Inspection and Maintenance (I/M): General Information and Regulations
Access to inspection and maintenance information (I/M) and on-board diagnostic (OBD) analysis.
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Transportation Conformity: Chronological List of Rulemakings
State and Local Transportation Resources are for air quality and transportation government and community leaders. Conformity rulemakings published before July 1, 2004 are included here.
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Conformity Adequacy Review: Region 1
Resources are for air quality and transportation government and community leaders. Information on the adequacy/inadequacy of state implementation plans (SIPs) in EPA Region 1 (CT, ME, MA, NH, RI, VT) is provided here.
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Conformity Adequacy Review: Region 3
Resources are for air quality and transportation government and community leaders. Information on the adequacy/inadequacy of state implementation plans (SIPs) in EPA Region 3 (DE, DC, MD, PA, VA, WV) is provided here.
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Air Monitoring at Agricultural Operations
Information on EPA and USDA resources related to agricultural air monitoring, and agricultural impacts on air quality.
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How's My Waterway University Lesson Plan
How's My Waterway University Lesson Plan
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Frequent Questions about the 2015 Coal Ash Disposal Rule
This page contains questions and answers on the disposal of coal combustion residuals from electric utilities final rule.