reporter: right, that s a big issue, tamron. as you can see the animas river looks pretty clear, at least the most visible signs of the spill that mustard-colored water is gone. dissipa dissipated, but what we don t know is the sediment that s on the river bed, on the river banks, and gina mccarthy will be here, the epa administrator, to show that concern that she talked abouted in washington yesterday talked about in washington yesterday. that show of concern may be the least of her worries. attorneys general from three of the affected states, colorado, utah, arizona, are meeting to plot their next course of action as this continues, and the president of the navajo nation telling nbc news that this, this spill, two-thirds of it runs through reservation lands, and it actually has affected their way of life from farming to water supply, even the collection of herbs by navajo medicine people. the navajo nation, he said plans to sue the epa saying they knew this was a possibility, and