Bolstering Rule, EPA Floats Revised Assessment Of Legacy Coal Ash Sites

November 9, 2023
EPA is seeking comment on a risk assessment establishing risk values to supplement its legacy coal combustion residuals (CCR) surface impoundment and CCR management unit (CCRMU) proposed rule, bolstering its proposal in light of industry concerns that the agency lacks a solid technical record to back such regulation. EPA on Nov. 7 quietly posted on its website a prepublication version of a notice of data availability (NODA) , which seeks public comment on a supplemental risk assessment in support of...

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