An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Louisiana SIP: LAC 33:III Ch. 11 Section 1101. Control of Air Pollution from Smoke: Purpose & Control of Smoke; SIP effective 1989-05-08 (LAc49) to 2011-08-03 (LAd34 - Revised)

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

Chapter 11. Control of Emissions of Smoke

Section 1101. Control of Air Pollution from Smoke
Approved by EPA 03/08/89 (54 FR 09795) at 52.970(c)(49) effective 05/08/89.

   A.  Purpose. It is the purpose of this regulation to establish emission standards on smoke to prevent undesirable levels of this air contaminant from occurring.

   B.  Control of Smoke. The emission of smoke from any combustion unit (other than a flare, as described in LAC 33:III.1105 below) or from any type of burning in a combustion unit (other than a flare), including the incineration of industrial, commercial, institutional and municipal wastes, shall be controlled so that the shade or appearance of the emission is not darker than 20 percent average opacity as to obscure vision to a degree equivalent to the above (see Table 4) except that emitted during the cleaning of a fire box or building of a new fire, soot blowing or lancing, charging of an incinerator, equipment changes, ash removal and rapping of precipitators which may have an opacity in excess of 20 percent for not more than one six minute period in any 60 consecutive minutes.

   AUTHORITY NOTE:  Promulgated in accordance with R.S. 30:1084. 
   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).

********************** end section 1101 ******************86t**