[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: 40CFR63.1449] [Page 33-34] 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. 63.1449 By what dates must I conduct performance tests or other initial compliance demonstrations? (a) As required in Sec. 63.7(a)(2), you must conduct a performance test within 180 calendar days of the compliance date that is specified in Sec. 63.1443 for your affected source to demonstrate initial compliance with each emission and opacity limit in Sec. 63.1443 and Sec. 63.1446 that applies to you. (b) For each work practice standard and operation and maintenance requirement that applies to you where initial compliance is not demonstrated [[Page 34]] using a performance test or opacity observation, you must demonstrate initial compliance within 30 calendar days after the compliance date that is specified for your affected source in Sec. 63.1443.