Tag Archives: Corrective action (CA)
This report reviews the context for risk assessment in corrective actions as described in the federal Coal Combustion Residuals rule. It also discusses changes to the rule approved in the 2016 Water Infrastructure Improvements for the Nation Act.
Over the next several years, the federal Coal Combustion Residuals Rule will trigger the closure of many utility-operated coal ash ponds, and groundwater monitoring will likely reveal the need for corrective actions such as barrier walls and geochemical manipulation. This report identifies and evaluates groundwater-related corrective actions that could be integrated with pond closure, with […]