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Louisiana SIP: LAC 33:III Ch. 15 Section 1507 - Sulfur Dioxide: Exceptions

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

Chapter 15. Emission Standards for Sulfur Dioxide

Section 1507. Exceptions
As adopted in the Louisiana Register April 20, 1992 (LR 18:0375) (AQ057)
Approved by EPA July 15, 1993 (58 FR 38060) effective September 13, 1993 (LAc59)

   A.  Start-up Provisions

       1.  A four-hour (continuous) start-up exemption from the emission limitations of LAC 33:III.1503.A may be authorized by the administrative authority for plants not subject to LAC 33:III.3232 and 3233 which have been shut down. A report in writing explaining the conditions and duration of the start-up and listing the steps necessary to remedy, prevent and limit the excess emission shall be submitted to the administrative authority within seven calendar days of the occurrence.

       2.  This provision is applicable to infrequent start-ups only. Before the exemption can be granted the administrative authority must determine the excess emissions were not the result of failure to maintain or repair equipment. In addition the duration of excess emission must be minimized and no ambient air quality standard may be jeopardized.

   B.  On-Line Operating Adjustments

       1.  A four-hour (continuous) exemption from emission limitations of LAC 33:III.1503.A may be extended by the administrative authority to plants not subject to LAC 33:III.3232 and 3233 where upsets have caused excessive emissions and on-line operating changes will eliminate a temporary condition. A report, in writing, explaining the conditions and duration of the upset and listing the steps necessary to remedy, prevent and limit the excess emission shall be submitted to the administrative authority within seven calendar days of the occurrence.

       2.  This provision is applicable to infrequent on-line adjustments only. Before the exemption can be granted the administrative authority must determine the excess emissions were not the result of failure to maintain or repair equipment. In addition, the duration of excess emissions must be minimized and no ambient air quality standard may be jeopardized.

   C.  Bubble Concept.  The administrative authority may exempt a source from the emission limitations of LAC 33:III.1503 if the owner or operator demonstrates that a "bubble concept" will be applied as defined in LAC 33:III.111.

   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), amended by the Office of Air Quality and Radiation Protection, Air Quality Division, LR 18:374 (April 1992).