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By E. Lynn Grayson
The U.S. Environmental Protection Agency (EPA) recently announced the first national regulations to provide for the safe disposal of coal combustion residuals (coal ash) from coal-fired power plants which will be regulated under the nonhazardous waste provisions of RCRA. In developing the new rule, the EPA evaluated more than 450,000 comments on the proposed rule, testimony form eight public hearings, and information gathered from three notices soliciting comment on new data and analyses.
According to EPA, improperly constructed or managed coal ash disposal units have resulted in the catastrophic failure of surface impoundments, damages to surface water, groundwater and the air. The first federal requirements for impoundments and landfills will address the following risks:
• The closure of surface impoundments and landfills that fail to meet engineering and structural standards and will no longer receive coal ash;
• Reducing the risk of catastrophic failure by requiring regular inspections of the structural safety of surface impoundments;
• Restrictions on the location of new surface impoundments and landfills so that they cannot be built in sensitive areas such as wetlands and earthquake zones;
• Protecting groundwater by requiring monitoring, immediate cleanup of contamination, and closure of unlined surface impoundments that are polluting groundwater;
• Protecting communities from fugitive dust controls to reduce windblown coal ash dust; and
• Requiring liner barriers for new units and proper closure of surface impoundments and landfills that will no longer receive CCRs.
This final rule also supports the responsible recycling of coal ash by distinguishing safe, beneficial use from disposal. In 2012, almost 40 percent of all coal ash produced was recycled (beneficially used), rather than disposed. Beneficial use of coal ash can produce positive environmental, economic and performance benefits such as reduced use of virgin resources, lower greenhouse gas emissions, reduced cost of coal ash disposal, and improved strength and durability of materials.
Coal ash, the second largest industrial waste stream, rose to national prominence following two high-profile spills: the December 2008 Kingston Fossil Plant spill in Tennessee and the February 2014 spill of 140,000 tons of coal ash and wastewater into North Carolina's Dan River.
Important Timeline of Coal Ash Assessment by EPA:
Dec. 22, 2008—Dike ruptures at the Kingston Fossil Plant in Harriman, Tenn., releasing 5.4 million cubic yards of coal ash slurry into surrounding area.
Jan. 14, 2009—At her Senate confirmation hearing, incoming EPA Administrator Lisa Jackson says the agency will review how it regulates coal ash.
June 21, 2010—The EPA proposes (75 Fed. Reg. 35,128) two possible ways for regulating coal ash—under the hazardous waste provisions of Subtitle C of RCRA or under the nonhazardous waste provisions of Subtitle D.
April 5, 2012—Frustrated with the slow pace of the rulemaking, environmental advocates sue the EPA over failure to complete a mandatory review of RCRA regulations every three years. They seek a deadline for final coal ash standards.
Jan. 31, 2014—Environmental advocates, coal ash recyclers, utilities and the EPA reach an agreement that requires the EPA to complete its coal ash regulations by Dec. 19.
Feb. 2, 2014—140,000 tons of coal ash and wastewater spill from a Duke Energy Corp. into North Carolina's Dan River.
Dec. 19, 2014—The EPA issues a final rule on the management and disposal of coal ash.
This new rule appears to be a good compromise both for industry and environmental groups. While the non-hazardous designation supports industry's position, the overall scope and regulatory focus on coal ash disposal and storage addresses concerns expressed repeatedly by citizens' groups.
Additional information about the new rule including a summary and history is available at http://www2.epa.gov/coalash/coal-ash-rule.
By E. Lynn Grayson, Partner, Jenner & Block
Read more at Corporate Environmental Lawyer Blog by Jenner & Block LLP.
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