329 IAC 13-2-16
329 IAC 13-2-16 "Re-refining distillation bottoms" defined
Cite as Ind. Admin. Code tit. 329, r. 13-2-16
Sec. 16. "Re-refining distillation bottoms" means the heavy fraction produced by vacuum distillation of filtered and dehydrated used oil.
The composition of still bottoms varies with column operation and feedstock.