rule requires AER to perform an initial assessment to categorize the ash ponds for a phasedclosure.
When fully implemented, the proposed cap and
closure scenario will improve groundwater quality around surface impoundments showingimpacts to groundwater.
• Hydrogeological Assessment Reports – These reports analyze the available groundwater
monitoring data and describe existing physical conditions, including the character of thearea involved, at the Coffeen, Duck Creek, Edwards, Grand Tower, and MeredosiaPower Stations.
Mr.
Harley also discusses the estimated costs of closure...
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