Spent pulping liquor

Spent pulping liquor means the residual liquid collected from on-site pulping operations at chemical pulp facilities that is subsequently fired in chemical recovery furnaces at kraft and soda pulp facilities or chemical recovery combustion units at sulfite or semi-chemical pulp facilities.

Source

40 CFR § 98.6

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Scoping language

All terms used in this part shall have the same meaning given in the Clean Air Act and in this section.

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