council. mr. morrison, it's nice to see you again, despite the circumstances. thanks for being here. >> thanks for having me, rachel. good to see you. >> how common are discoveries like this? not necessarily just the filters specifically, but stuff being disposed of improperly from the drilling industry that poses a threat to public health in your state? >> well, they're becoming more common. we're finding out more and more all the time. and there's 75 tons of oil waste generated in north dakota every day. about a third of that is radioactive. and most of that is being dumped illegally in north dakota. >> why aren't regulations and oversight, even of something as extreme as radioactive waste, why aren't regulations and oversight in the state keeping