[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR425.20] [Page 10] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 425_LEATHER TANNING AND FINISHING POINT SOURCE CATEGORY --Table of Contents Subpart B_Hair Save, Chrome Tan, Retan-Wet Finish Subcategory Sec. 425.20 Applicability; description of the hair save, chrome tan, retan-wet finish subcategory. The provisions of this subpart are applicable to process wastewater discharges resulting from any tannery which processes raw or cured cattle or cattle-like hides into finished leather by hair save unhairing, chrome tanning, and retan-wet finishing.