those to the forefront. and the epa was aware of them as well. we're not really sure why initially they did not consider all of the safer alternatives. but they certainly are considering them now. and i think the path forward could actually be safe and technology is always going to be able to get better and better. so over the long term it's my hope that these chemicals do not have to be destroyed, they actually could be repurposed. but we have a number of technologies here that we think are going to be adequate. we hope that one of the safer alternatives is chosen. >> professor of chemistry at louisiana state university in shreveport. i know it's not done but already i think it's struck a remarkable victory in making us come up with better ideas of dealing with this as kahna country. congratulations. >> thank you. >> thank you. that giant pile of artillery propellant sitting there in