for unlined units to engage in corrective action and not to have to shut down sum arlie the agency recognized regulatory oversight from regulatory agency wouldn't be there for self-regulating rule. to make sure risk-based decision making is appropriately applied and backed away from that. instead named with self-implementing rule. take away tools regulatory agencies have in prescribing cleanups and prescribing corrective actions. >> yeah. go back and briefly explain this risk-based decision making, what it is and how it may be incorporated into a state coal ash program. >> a state could take into account whether there is a receptor downgrading from the facility. seeing a release. is it, in fact, presenting a rick to health and environment. they can take that into account when they are making a decision about whether corrective action is needed or what type of corrective measures must be implemented by the utility. >> in your opinion would epa be able to approve a state program that incorporated any flexibility for corrective action including a risk-based decision-making process? >> the rule i

for unlined units, to even engage in corrective action, the agency recognized that the regulatory oversight from a regulatory agency wouldn't be there under a self-implementing rule. instead, we're faced with this self-implementing rule. they take away a lot of the tools the state regulatory agencies have in prescribing cleanups and prescribing corrective actions. >> yeah, and go back and briefly explain this risk-based decision making, what it is and how it may be incorporated into a state coal ash program. >> a state could take into account whether there is a receptor gown gradient from the facility. you're seeing a release, but is it, in fact, presenting a risk to human health and the environment. and they can take that into account when they're making a decision about whether corrective action is needed to be what type of corrective measures must be implemented by the utility. >> in your opinion, would epa be able to approval a state program that incorporated any of the flexibility for corrective action, including a risk-based decision making process? >> the rule is rather clear about w