[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR439.20] [Page 406] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 439--PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart B--Extraction Products Sec. 439.20 Applicability. This subpart applies to discharges of process wastewater resulting from the manufacture of pharmaceutical products by extraction. [63 FR 50430, Sept. 21, 1998]