Re-refining distillation bottoms

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.

Source

40 CFR § 279.1

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Scoping language

Terms that are defined in 260.10, 261.1, and 280.12 of this chapter have the same meanings when used in this part.

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