Science & Technology
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eGRID Mapping Files
Shapefiles for the Emissions & Generation Resource Integrated Database eGRID tool.
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Geoengineering
Geoengineering refers to activities intended to cool the Earth or remove greenhouse gases from the air and has health and environmental impacts. This area summarizes geoengineering, what EPA is doing, and frequent questions, including on contrails.
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Environmental Topics
EPA's resources on environmental issues include research, basics, what you can do, and an index covering more specific terms.
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Pre-IRA 2022 Reference Case
This area provides information and documentation on EPA’s power sector modeling platform v6, including the associated input data and modeling assumptions, outputs, and documentation.
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Analysis of the Proposed Supplemental Interstate Transport Rule
IPM analyses of the Proposed Supplemental Interstate Transport Rule
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Responses to 40 CFR Part 75 Petitions - 2002
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2002.
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Responses to 40 CFR Part 75 Petitions - 2012
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2012.
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Responses to 40 CFR Part 75 Petitions - 2008
Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2008.
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Frequent Questions about the Power Plants and Neighboring Communities Mapping Tool
Frequent questions for Power Plants and Neighboring Communities
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Analysis of the Final Federal Good Neighbor Plan Addressing Regional Ozone Transport for the 2015 Ozone National Ambient Air Quality Standard
IPM analyses of the Good Neighbor Plan for 2015 Ozone NAAQS.
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Post-IRA 2022 Reference Case
This area provides information and documentation on EPA’s power sector modeling platform v6, including the associated input data and modeling assumptions, outputs, and documentation.
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EPA's Power Sector Modeling Platform v6 using IPM Summer 2021 Reference Case
This area provides information and documentation on EPA’s power sector modeling platform v6, including the associated input data and modeling assumptions, outputs, and documentation.
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2023 Reference Case
This area provides information and documentation on EPA’s power sector modeling platform v6, including the associated input data and modeling assumptions, outputs, and documentation.
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Retrofit Cost Analyzer
Retrofit Cost Analyzer (RCA) is an Excel-based tool that can be used to estimate the cost of building and operating pollution control such as SCR, Wet FGD, Dry FGD, DSI, ACI and PM.
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Flint
Information related to the Flint, Michigan.
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Equivalency Criteria
Equivalency criteria for Pathogen Equivalency Committee
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Notification: Post-Closure Care at Hazardous Waste Units Closed with Waste in Place
Project #OA&E-FY19-0323, August 20, 2019. The OIG plans to begin fieldwork regarding the EPA's oversight of hazardous waste units closed with waste in place. This project is self-initiated.
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Top Management Challenges for EPA and CSB
Top Management Challenges Reports issued by the Office of Inspector General
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Biogenic Emission Sources
Biogenic emissions sources come from natural sources and need to accounted for in photochemical grid models. They are computed using a model which utilizes spatial information on vegetation and land use.
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2016v7.2 (beta and Regional Haze) Platform
The 2016beta emissions modeling platform is a product from the National Emissions Inventory Collaborative