we did do the analysis for bartter and sales at the 10% level or below. right now we see us bumping up hard against that. if you want to ask us do an analysis higher than 10%, we would be receptive. but i think senator barrasso is not here. he might represent an alternate point of view. >> that's why i'm asking while he's not here. >> okay. >> no, i think seriously the analysis done last year was, as i understand it, conclusive as to not having a market impact. >> at the 10% level. but again, with all our obligation we are bumping up against that. so we would have to do another analysis to go higher. >> are you committed to the accelerated cleanup? >> we're committed to whatever the means we have and the constraints we have to do the best we can. and if you want to ask us to do another analysis, we'd be delighted to. >> but we certainly would appreciate that analysis, if that's what it takes to be able to keep the commitment. because i do think it's the right thing to do for the taxpayer. and it's also the right thing to do certainly to keep onsite a lot