[Code of Federal Regulations] [Title 40, Volume 12] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR63.1448] [Page 33] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 63_NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES--Table of Contents Subpart QQQ_National Emission Standards for Hazardous Air Pollutants for Primary Copper Smelting Sec. 63.1448 What are my general requirements for complying with this subpart? (a) You must be in compliance with the emission limitations, work practice standards, and operation and maintenance requirements in this subpart at all times, except during periods of startup, shutdown, and malfunction as defined in Sec. 63.2. (b) During the period between the compliance date specified for your affected source in Sec. 63.1443, and the date upon which continuous monitoring systems have been installed and certified and any applicable operating limits have been set, you must maintain a log detailing the operation and maintenance of the process and emissions control equipment. (c) You must develop a written startup, shutdown, and malfunction plan according to the provisions in Sec. 63.6(e)(3). [57 FR 61992, Dec. 29, 1992, as amended at 71 FR 20461, Apr. 20, 2006] Initial Compliance Requirements