- a) Tar decanter, which is a rectangular vessel used to separate tar and flushing liquor by means of gravity;
- b) Light oil sump, which receives wastewater from process equipment from the light oil recovery portion of a coke by-product recovery plant;
- c) Light oil condensor/separator, which is a device used to condense or separate light oil from which the non-condensable constituents are vented; and
- d) Tar condensate sump, which receives water condensate streams from the tar recovery process equipment.
The owner or operator of a coke by-product recovery plant shall reduce the uncontrolled emissions of volatile organic materials by at least 85 percent from the following sources, as defined:
(Source: Added at 9 Ill. Reg. 13960, effective August 28, 1985)