Quote Originally Posted by Bear View Post
I'm not well educated on the subject, but have read that some refiners grind their stuff for recovery of what they can get, and then sell the remaining sludge to other refiners who are able to carry it to the next level, recovering the remaining 50%. 50% merely as an(hopefully near accurate) example, being i don't recall their exact numbers.
I was a little surprised by the 2% figure also. Wondering if the PCB's that are dumped into landfills are also included in those figures.