[Code of Federal Regulations] [Title 40, Volume 8] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR61.06] [Page 27] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 61--NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS--Table of Contents Subpart A--General Provisions Sec. 61.06 Determination of construction or modification. An owner or operator may submit to the Administrator a written application for a determination of whether actions intended to be taken by the owner or operator constitute construction or modification, or commencement thereof, of a source subject to a standard. The Administrator will notify the owner or operator of his determination within 30 days after receiving sufficient information to evaluate the application. [50 FR 46291, Nov. 7, 1985]