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Author: Region 04

EPA Marks Earth Day by Teaching Middle School Students About Gulf Environment

By Region 04In Water MonitoringPosted April 20, 2016

EPA Marks Earth Day by Teaching Middle School Students About Gulf Environment ATLANTA – The U.S. Environmental Protection Agency (EPA) together with Mississippi Valley State University (MVSU) will host a day-long Earth Day celebration on Friday, April 22, 2016. EPA Marks Earth Day by Teaching Middle School Students About Gulf...

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FRIDAY: EPA and Mississippi Valley State University to Host Earth Day Program on Campus

By Region 04In Earth monitoringPosted April 20, 2016

FRIDAY: EPA and Mississippi Valley State University to Host Earth Day Program on Campus ATLANTA – The U.S. Environmental Protection Agency (EPA) together with Mississippi Valley State University (MVSU) will host a day-long Earth Day celebration on Friday, April 22, 2016. FRIDAY: EPA and Mississippi Valley State University to Host...

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EPA Region 4 Takes Action to Redesignate the Tri-City TN-MS-AR Area for 2008 8-Hour Ozone Standard

By Region 04In Air MonitoringPosted April 19, 2016

EPA Region 4 Takes Action to Redesignate the Tri-City TN-MS-AR Area for 2008 8-Hour Ozone Standard ATLANTA – On April 8, 2016, the U.S. Environmental Protection Agency (EPA) took final action to approve the state of Mississippi’s request to redesignate to attainment a portion of DeSoto County, Mississippi, for the...

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Recent Posts

  • 420R25008 Renewable Fuel Standard (RFS) Program Partial Waiver of 2024 Cellulosic Biofuel Volume Requirement: Response to Comments
  • 452R93015 Guidance on the Post-1996 Rate of Progress Plan and the Attainment Demonstration
  • 420B25022 How to Use the EP3 Calculator Version 1.4
  • 420B25017 Cellulosic Waiver Credit Price Calculation for 2024
  • 600D87205 Cost and Performance Evaluation for Full Scale Single Solute Control of Synthetic Organic Chemicals by Granular Activated Carbon Adsorption

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Operational Precision Systems

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420R25008 Renewable Fuel Standard (RFS) Program Partial Waiver of 2024 Cellulosic Biofuel Volume Requirement: Response to Comments
December 11, 2025
452R93015 Guidance on the Post-1996 Rate of Progress Plan and the Attainment Demonstration
December 11, 2025
420B25022 How to Use the EP3 Calculator Version 1.4
December 5, 2025

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