Regulatory Text: 
Louisiana Administrative Code, Title 33 ENVIRONMENTAL QUALITY, Part III Air (LAC 33:III)

Chapter 15. Emission Standards for Sulfur Dioxide

Section 1501. Degradation of Existing Emission Quality Restricted
As adopted in the Louisiana Register April 20, 1992 (LR 18:0374) (AQ057)
Approved by EPA July 15, 1993 (58 FR 38060) effective September 13, 1993 (LAc59)

   Emissions whose quality as of the effective date of these regulations is higher than the standards set forth herein shall be maintained at the higher quality unless it can be affirmatively demonstrated to the department that a change in quality is justifiable and will not be contrary to the purpose of these regulations.

   AUTHORITY NOTE:  Promulgated in accordance with R.S. 30:2054.
   HISTORICAL NOTE:  Promulgated by the Department of Environmental Quality, Office of Air Quality and Nuclear Energy, Air Quality Division in LR 13:741 (December 1987), repromulgated by the Office of Air Quality and Radiation Protection, Air Quality Division in LR 18:374 (April 1992).