[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR439.40] [Page 409] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 439--PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart D--Mixing/Compounding and Formulation Sec. 439.40 Applicability. This subpart applies to discharges of process wastewater resulting from the manufacture of pharmaceutical products by mixing, compounding and formulating operations. [63 FR 50435, Sept. 21, 1998]