[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR447.10] [Page 464] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 447--INK FORMULATING POINT SOURCE CATEGORY--Table of Contents Subpart A--Oil-Base Solvent Wash Ink Subcategory Sec. 447.10 Applicability; description of the oil-base solvent wash ink subcategory. The provisions of this subpart are applicable to discharges resulting from the production of oil-base ink where the tank washing system uses solvents. When a plant is subject to effluent limitations covering more than one subcategory the discharge limitation shall be the aggregate of the limitations applicable to the total production covered in each subcategory.