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Flue Gas Desulfurization System

Paradise Fossil Plant Unit 3, Muhlenberg County, Kentucky

On March 24, 2003, TVA completed an environmental assessment (EA) and issued a finding of no significant impact (FONSI) for the installation and operation of flue gas desulfurization equipment that employs the wet limestone forced oxidation technology to reduce sulfur dioxide (SO2) emissions from Unit 3 at Paradise Fossil Plant. TVA needs to reduce SO2 emissions at Paradise to meet requirements of the 1990 Clean Air Act amendments.

Issues identified in the scoping and subsequently analyzed in the EA were: air quality; vegetation, wildlife, and natural areas; protected and sensitive species; wetlands and floodplains; land use, visual aesthetics, and noise; cultural resources; coal combustion by-product generation, handling, and disposal; surface water and wastewater; groundwater quality; aquatic ecology; socioeconomics; and transportation.

The impacts of the proposed action were found to be insignificant with incorporation of the following two commitments.

  • Operational and technological controls to meet the limits of the plant’s National Pollutant Discharge Elimination System permit will avoid aquatic toxicity in discharges from the plant.
  • The use of best management and engineering practices, the elevation or floodproofing of critical system components, and the provision of portable toilets for project construction personnel will ensure that construction-related discharges comply with applicable regulations and executive orders.

Final Environmental Assessment

This is the complete text of the Final EA and FONSI, divided into sections for faster downloading (PDF files, require Adobe Acrobat Reader):

Finding of No Significant Impact (PDF, 216 kb)

Title Page and Table of Contents (PDF, 96 kb)
List of chapters, sections, list of tables and figures, acronyms, symbols, and units of measure.

Chapter 1: Purpose, Need, Background, and Scoping (PDF, 84 kb)
The purpose of the proposed action, background on air pollution and SO2 control technology, description of Paradise Fossil Plant, related NEPA documents, the scooping process, and public/agency involvement.

Chapter 2: Alternatives, Including the Proposed Action (PDF, 821 kb)
The proposed action and alternatives; comparison of environmental impacts of alternatives; summary of environmental commitments, permits, and applicable regulations. The following figures have been extracted from Chapter 2 and can be downloaded separately:

Figure 2-2: Gypsum sluice lines near plant, page 10 (PDF, 209 kb)

Figure 2-3: Gypsum sluice lines to Pond A, page 11 (PDF, 210 kb)

Chapter 3: Affected Environment and Environmental Consequences (PDF, 611 kb)
The scope of environmental issues and description of impacts to various resource areas.

Chapter 4: List of Preparers (PDF, 70 kb)
Preparers of various sections of the document and their contributions.

Chapter 5: List of Agencies and Persons Consulted (PDF, 1 kb)
Federal and state agencies consulted or to whom copies of the EA were mailed for review.

Chapter 6: Supporting Information (PDF, 85 kb)
Literature cited and acronyms, symbols and abbreviations.

Appendix A (PDF, 1.15 mb)
Agency correspondence and comments on the draft EA.

Appendix B (PDF, 99 kb)
Flue gas desulfurization components: process flow diagram and preliminary layout.

Appendix C (PDF, 75 kb)
Matrix of operational flows and DBA/AA toxicity testing.

Appendix D (PDF, 833 kb)
Noise modeling approach.


For more information contact Bruce L. Yeager at the number or address below. For e-mail, please type in the subject line “Paradise Fossil Unit 3 Scrubber Addition.”

Bruce L. Yeager, Program Manager, NEPA and Special Projects
Environmental Permitting and Compliance
400 West Summit Hill Drive
Knoxville, TN 37902
E-mail: (Attn.: Bruce L. Yeager)


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