Data and Tools
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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.
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Procedure for Safe Drinking Water Act Program Detection Limits for Radionuclides
Calculations for determining drinking water detection limits for radionuclides.
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Ozone NAAQS Timelines
2008 ozone standards remain in effect while the 2015 standards are being realized. EPA must make new area designations based on the 2015 standards before they can begin to be implemented.
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GHGRP 2021: Supplier Highlights
Fuel and industrial GHG supplier highlights of 2021 emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.
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AP 42, Fifth Edition, Volume I Chapter 4: Evaporation Loss Sources
AP 42, Fifth Edition, Volume I Chapter 4: Evaporation Loss Sources
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AP 42, Fifth Edition, Volume I Chapter 10: Wood Products Industry
AP 42, Fifth Edition, Volume I Chapter 10: Wood Products Industry
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Greenhouse Gas Equivalencies Calculator - Calculations and References
Provides information on how the calculations are used to convert greenhouse gas emission numbers into different types of equivalent units.
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Green Book Lead (2008) Area Information
Lead (2008)
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Green Book Sulfur Dioxide (2010) Area Information
Sulfur Dioxide (2010)
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Green Book Sulfur Dioxide (1971) Area Information
Sulfur Dioxide (1971)
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Green Book PM-2.5 (2006) Area Information
PM-2.5 (2006)