Data and Tools
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2025 SO2 Allowance Auction
Find on this page the results of EPA's 2024 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 26, 2024.
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AP 42 Section 15.7 Mines and Smoke Pots - Related Information
AP 42 Section 15.7 Mines and Smoke Pots - Related Information
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AP 42 Section 15.4 Final Projectiles, Canisters, and Charges - Related Information
AP 42 Section 15.4 Final Projectiles, Canisters, and Charges - Related Information
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AP 42, Fifth Edition, Volume I Chapter 15: Ordnance Detonation Test Reports
15.1 Small Cartridges < 30 mm Ordnance Detonation Test Reports
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Results Using 2025 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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Documentation for 2025 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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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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Denka Air Monitoring Data Summaries
Denka air monitoring data.
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Hot Topics in Louisiana
Hot topics in Louisiana
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San Francisco Bay Flyover Videos
Video flyover animations of the watersheds of the San Francisco Bay Delta: North Along the Sacramento River and South along the San Joaquin River
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WMOST 2.0 Documentation
The Watershed Management Optimization Support Tool (WMOST) is a decision support tool that evaluates the relative cost-effectiveness of management practices at the local or watershed scale.
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Reusable Paragraphs (Repeatable Content)
Instructions on how webmasters can create, use, and update a web area pane, which is reusable content on multiple pages.
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AP 42 Section 15.2 Medium Cartridges 30-75 mm - Related Information
AP 42 Section 15.2 Medium Cartridges 30-75 mm - Related Information
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AP 42 Section 15.3 Large Cartridges > 75 mm - Related Information
AP 42 Section 15.3 Large Cartridges > 75 mm - Related Information
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AP 42 Section 15.5 Grenades - Related Information
AP 42 Section 15.5 Grenades
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AP 42 Section 15.8 Signals and Simulators - Related Information
AP 42 Section 15.8 Signals and Simulators - Related Information
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15.1 Small Cartridges < 30 mm - Related Information
15.1 Small Cartridges < 30 mm - Related Information
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AP 42 Section 11.1 Hot Mix Asphalt Report - Related Information - Documents
AP 42 Section 11.1 Hot Mix Asphalt Report - Related Information - Documents
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AP 42 Section 15.9 Blasting Caps, Demolition Charges, and Detonators - Related Information
AP 42 Section 15.9 Blasting Caps, Demolition Charges, and Detonators
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AP 42 Section 15.10 Fusers and Primers - Related Information
AP 42 Section 15.10 Fusers and Primers
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