[Code of Federal Regulations] [Title 40, Volume 28] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR415.35] [Page 253] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 415_INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart C_Calcium Carbide Production Subcategory Sec. 415.35 New source performance standards (NSPS). Any new source subject to this subpart must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters.