Have it filled one more time then weld the pressure relief closed (preferably with oxy-acetylene) and then build a fire under it. The fire needs to be about 2000 degrees so use plenty of wood and the accelerant of your choosing. It'll split so that you will be left with a body and a cover ... trust me.
How do I get to watch more sports, (without getting divorced), by adding what type of high tech wife monitoring/distracting equipment to my "man cave"?