Code of Federal Regulations Title 40. Protection of Environment § 40.430.70 Applicability;  description of the mechanical pulp subcategory

The provisions of this subpart are applicable to discharges resulting from:  the production of pulp and paper at groundwood chemi-mechanical mills;  the production of pulp and paper at groundwood mills through the application of the thermo-mechanical process;  the integrated production of pulp and coarse paper, molded pulp products, and newsprint at groundwood mills;  and the integrated production of pulp and fine paper at groundwood mills.