tva and the kingston ash spill environmental disaster by: tikedra kellum
TRANSCRIPT
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TVA and The Kingston Ash Spill
Environmental Disaster
By: Tikedra Kellum
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Table of Content
• Corporate Snapshot• History• Kingston Ash spill• Plan of Action• Causes• Consequences • Questions
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Corporate Snapshot
Name: Tennessee Valley AuthorityIndustry: UtilitiesSales Revenue: $11.2 BillionPower Sales: 165 Billion kwhEmployees: 12, 762Provides: 9 million people in parts of seven
southeastern states
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Seven Southeastern States
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History
1930s- Tennessee Valley Authority was established 1940s- 12 hydroelectric projects and a steam plant
under construction at the same time1950s- Congress passed legislation making TVA
power system self-financing1960s- Began building nuclear plants1970s- International oil embargo
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History Continue
1980s- TVA cancelled several nuclear plants1990s- cut operating cost by 800 million to get
ready for competition and unveiled a new clean air strategy.
2000s- launched the green power switch program
2008- the Kingston Ash Spill
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What is the Kingston Ash Spill?
• December 22, 2008 at 1 am
• Ash dike ruptured at an 84-acre solid waste containment area
• 5.4 million cubic yards of coal fly ash slurry was released
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Kingston Ash Spill cont..
• Raveled across the Emory River and its Swan Pond embayment
• Covering up to 300 acres of the surrounding land, damaging homes and flowing up and down stream in nearby waterways
• Largest fly ash release in United States history
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Ash spill 2008
Aerial Landscape
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Plan of Action
• Contain release and minimize downstream migration
• Assist TDEC in determining the cause of the dike failure
• Support TDEC assessment of current and future impacts of release
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Plan of Action cont..
• Develop and implement Corrective Action Plan
• Restore natural resources damaged by the release
• Assume financial responsibility for TDEC expenses
• Review all TVA coal ash impoundments in Tennessee
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Causes
• A failure to implement recommend correction actions
• The lack of policies and procedures• Poor maintenance• The lack of specialized training• Multiple organizational structure changes• Inadequate communication• A failure to follow engineering best practices
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TVA’s Consequences
• Paid $11.5 million in penalties in response to the coal ash release for violations of the Tennessee Water Quality Control Act and the Tennessee Solid Waste Disposal Act
• The containment cell will cost $175 million• Paid Roane county $4 million • Total cleanup cost in the vicinity of $1.1
billion
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Then and Now
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Then and Now
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Questions?