Science & Technology
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Handbook on Coral Reef Impacts: Avoidance, Minimization, Compensatory Mitigation, and Restoration
This Handbook provides a general summary of current avoidance, minimization, compensatory mitigation, and restoration strategies that may help address physical damage resulting from direct adverse impacts to coral reefs.
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Responses to 40 CFR Part 75 Petitions - 2009
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2009.
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CASTNET Program Partners
CASTNET partners provide support through operation, land leases, and research. This page highlights the existing CASTNET partners.
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Compositions of Refrigerant Blends
This page contains a table showing percentage composition of HCFCs, HFCs, and HCs in refrigerant blends.
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Environmental, Health, and Flammability Info on Substitutes for HCFC-22 and 142b foam
Environmental, Health, and Flammability Info on Substitutes for HCFC-22 and 142b
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eGRID Related Materials
The draft eGRID2018 PM2.5 data and methodology are presented.
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Ground-Level Ozone: Occurrence and Transport in Eastern North America
Read a 1999 report that details the results of cooperative efforts to describe ground-level ozone concentration and transport in the border region of the eastern United States and Canada.
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Regulatory Impact Analysis for the Final Clean Air Interstate Rule
Learn about the health and welfare benefits and the costs of the Clean Air Interstate Rule (CAIR) and compares the benefits to the costs of implementing CAIR in 2010 and 2015.
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A Set of US Reference Images – Methodology
Find out how visualizations of carbon dioxide can be used to make it 'real' (physical) and not just a number, providing a sense of scale.
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Documentation for EPA's Power Sector Modeling Platform v6 - November 2018 Reference Case
On this page you will find documentation about EPA’s Platform v6 assumptions, updates, changes, and enhancements, including the full support document as well as additional tables and attachments.
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EmPOWER Air Data Challenge
CAPD is looking for researchers and students to more practically use the wealth of power sector data knowledge that CAPD has. For those that use CAPD's data, they will discuss conclusions or questions with CAPD staff to better understand and analyze data.
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Power Sector Modeling Platform v.5.13
Learn more about EPA's Power Sector Modeling Platform v.5.13, associated data assumptions, and file documentation.
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Power Sector Modeling Platform v.5.14
Learn about EPA’s Base Case v.5.14, including documentation, results, and the National Electric Energy Data System (NEEDS) database.
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IPM Analysis of the Proposed Mercury and Air Toxics Standards (MATS)
Learn about EPA's analysis of the impact of the proposed Toxics Rule on the U.S. electric power sector using version 4.10_PTox of the Integrated Planning Model (IPM).
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IPM Analysis of the Final Mercury and Air Toxics Standards (MATS)
EPA used version 4.10_MATS of the Integrated Planning Model (IPM) to analyze the impact of the Mercury and Air Toxics Standards (MATS) rule on the U.S. electric power sector. Learn about the results and view links to documentation.
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Power Sector Modeling Platform v.5.15
Learn about EPA’s Base Case v.5.15, including documentation, results, and the National Electric Energy Data System (NEEDS) database.
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IPM Analysis of the Proposed Transport Rule (CSAPR)
Learn about how EPA used Integrated Planning Models (IPM) to analyse the effects of the proposed Cross-State Air Pollution Rule (CSAPR), also known as the Transport Rule.
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Power Sector Modeling Platform v.5.16
Learn about EPA’s Base Case v.5.15, including documentation, results, and the National Electric Energy Data System (NEEDS) database.
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Power Sector Modeling Platform v.6 May 2018
Learn about EPA’s Base Case v.5.15, including documentation, results, and the National Electric Energy Data System (NEEDS) database.
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Power Sector Modeling Platform v6 November 2018
Learn about EPA’s Base Case v.6 November 2018 Reference Case, including documentation, results, and the National Electric Energy Data System (NEEDS) database.