Applicability; description of the subcategory of direct discharge point sources that use end-of-pipe biological treatment

Applicability; description of the subcategory of direct discharge point sources that use end-of-pipe biological treatment. Applicability; description of the subcategory of direct discharge point sources that use end-of-pipe biological treatment. This subchapter applies to the process wastewater discharges resulting from the manufacture of the OCPSF products and products groups defined by s. NR 235.02 from any point source that uses end-of-pipe biological treatment or installs end-of-pipe biological treatment to comply with BPT effluent limitations.