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coal combustion residuals


EPA Overrides Subpart D in Newly Proposed Federal Coal Ash Permitting Rule

Only “high hazard” CCR units will be subject to immediate compliance deadlines under a newly proposed Environmental Protection Agency (EPA) rule that revises federal permit requirements for the management of…


Smarter Monitoring for Coal Ash Remediation
xylem-coal-ash-pond-tss-monitoring

Total suspended solids probe can help coal-fired power plants reduce compliance risks and avoid additional sampling. Water plays an essential role in coal ash remediation, but managing that process often…


EPA Proposes Revisions to Two Obama-Era Rules: Effluent Limitations Guidelines and Coal Ash

The Environmental Protection Agency (EPA) has issued long-awaited proposed revisions of two 2015 Obama-era rules that apply to effluent limitations guidelines (ELGs) for steam electric power plants and coal combustion…


A New Technology for Bottom Ash Conversion Emerges
boiler-bottom-ash-grinder-conveyor-system

New environmental regulations have forced many coal power plant operators to consider alternative options for handling their boiler bottom ash. Although mechanical drag systems can often meet regulatory requirements, space…


EPA Urges States to Submit CCR Programs Even as Coal Ash Regulatory Overhaul Continues

The Environmental Protection Agency (EPA) on June 24 proposed to partially approve Georgia’s permit program for the disposal of coal combustion residuals (CCR). As it did so, it gave other…