Data and Tools
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FY 2019 DWSRF Allotment Availability
FY 2019 allotments, additional subsidy amounts and programmatic terms and conditions for the capitalization grants, grant appropriations, DWINSA, tribal set aside, infrastructure grants, SWDA
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Discretionary Programs Competitive Status List
This is a listing of EPA’s Discretionary Grants which are available through competitive selection. The Agency has the discretion to determine the grantees and dollar amounts for these grant awards. For more information please visit the Grants.gov website.
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National Electric Energy Data System (NEEDS)
Find information on EPA's National Electric Energy Data System (NEEDS) database including basic geographic, operating, air emissions, and other data on these generating units.
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Analysis of the Final MATS Risk and Technology Review (RTR)
IPM analyses of the Proposed MATS Risk and Technology Review (RTR)
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Results using Pre-IRA 2022 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
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Supporting Documentation of the 2015 Ozone NAAQS Actions
IPM analyses of the Good Neighbor Plan.
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Results using 2023 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
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eGRID2018 Notes
Describes the data corrections made in eGRID2018v2.
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Power Plants and Neighboring Communities Graphs
Graphs that display the relationship between power plants and the surrounding communities
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Deconstruction Rapid Assessment Tool
Deconstruction Rapid Assessment Tool (EPA 905-F-15-001) instructions, form and spreadsheet for assessing and triaging structures being considered for deconstruction. Promote environmental stewardship and economic revitalization through deconstruction.
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2018 SO2 Allowance Auction
Find on this page the results of EPA's 2018 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 27, 2018.
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2020 SO2 Allowance Auction
Find on this page the results of EPA's 2020 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 31, 2020
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2021 SO2 Allowance Auction
Find on this page the results of EPA's 2021 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 30, 2021
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2016 SO2 Allowance Auction
On this page, find the results of EPA's 2016 SO2 Allowance Auction, which took place on March 29, 2016.
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2019 SO2 Allowance Auction
Find on this page the results of EPA's 2019 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 26, 2019
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2023 SO2 Allowance Auction
Find on this page the results of EPA's 2021 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 30, 2021
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Part 75 Testing Notifications and Reports
Provides information on submitting notifications to EPA and states under Part 75 regulations. https://www.epa.gov/node/277573/edit#edit-group-javascript
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How to Cite This Source
This page will help users cite the information they find on the Acid Rain website.
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External Review of BMDS 2.0 Beta Dichotomous (Quantal) Models (2007)
Summary and links to external peer reviews of BMDS dichotomous (quantal) models
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External Review of the Multistage Weibull Time-to-Tumor Model (2007)
Summary and links to external peer reviews of MS_Combo multi-tumor model