Coal Ash

Category Archives: Coal Ash

A PERSONALITY FOR EVERY POND -TRIED AND TRUE CONSTRUCTION SOILS PRACTICES HOLD PROMISE FOR ASH POND DEWATERING. ASH AT WORK ISSUE 2, 2015

Source: Ash At Work, Issue 2 2015 As the clock ticks down toward mandatory compliance with the Environmental Protection Agency (EPA) coal combustion residuals (CCR) ruling, facility owners and their engineers must rapidly move ahead with developing plans for the closure of wet ash surface impoundments and landfills.  This article highlights the need to evaluate…

Construction Considerations Are Key in Closure Planning for Coal Ash Ponds

Mark Johnson, PG and Kent Nilsson, PE When faced with a variety of options for coal ash pond closure, use a holistic approach rather than choosing what seems to be the quickest or cheapest on paper. Closure and remediation solutions for coal ash ponds, or impoundments, vary greatly. Assuming the U.S. Environmental Protection Agency (EPA)…