1. A. In addition to all other pesticides classified by EPA as restricted use pesticides, the pesticides listed in Subsection B of this Section are classified as restricted use pesticides within the state of Louisiana, except:

   1. 1. when formulated in concentration of 2 percent or less; or
   2. 2. when formulated with fertilizer for use by homeowners; or
   3. 3. when formulated in containers of one quart or less or two pounds dry weight or less.

2. B. The following pesticides may not be applied by commercial applicators during the times set forth in this Rule in the areas listed in §1103.C, D and E.

   Chemical Name	Common Name
   1. 4-amino-3, 5,6-trichloro-picolinic acid	Picloram
   2. Arsenic trioxide	---
   3. 3-chlorophenoxy-alpha-propionamide	3-CPA
   4. 4-chlorophenoxy acetic acid	4-CPA
   5. 2,4-dichlorophenoxy acetic acid (all salts, all formulations)	2,4-D
   6. 4-(2,4-dichlorophenoxy) butyric	2,4-DB
   7. 2,methoxy-3, 6-dichlorobenzoic acid (all salts, all formulations)	Dicamba
   8. 2-methyl-4-chlorophenoxyacetic acid	2, 4-MCPA
   9. 4-(2 methyl-4-chlorophenoxy) butyric acid	---
   10. 2-(2 methyl-4-chlorophenoxy)	2-MCPP
   11. Arsenic acid	Arsenic

3. C. The pesticides listed in §1103.B shall not be applied by commercial applicators between April 1 and September 15 in the following parishes, unless a waiver has been granted pursuant to §1107:

   1. 1. Avoyelles;
   2. 2. Bossier;
   3. 3. Caddo;
   4. 4. Caldwell;
   5. 5. Catahoula;
   6. 6. Concordia;
   7. 7. East Carroll;
   8. 8. Evangeline, Wards 1, 3 and 5;
   9. 9. Franklin;
   10. 10. Grant;
   11. 11. Madison;
   12. 12. Morehouse;
   13. 13. Natchitoches;
   14. 14. Ouachita;
   15. 15. Pointe Coupee;
   16. 16. Rapides;
   17. 17. Red River;
   18. 18. Richland;
   19. 19. St. Landry;
   20. 20. Tensas;
   21. 21. West Carroll.
4. D. The pesticides listed in §1103.B shall not be applied by commercial applicators between March 1 and June 15 in the area between the Mississippi River and Highway 61 in the parishes of St. James and St. John the Baptist.
5. E. The pesticides listed in §1103.B shall not be applied by commercial applicators in the parish of Plaquemines.

6. F. No commercial applicator may make application of the products listed in §1103.B and the following pesticides when the wind speed is at 10 miles per hour or above:

   1. 1. 3¹4¹-Dichloropropionanilide―Propanil;
   2. 2. 1:1-Dimethyl-4, 41-Bipyridinium (cation)― Paraquat;
   3. 3. Isopropylamine salt of glyphosate―Glyphosate and other salts of glyphosate;
   4. 4. Glufosinate-ammonium.
7. G. Those pesticides containing 2,4-D choline salt are exempt from the restrictions set forth in §1103.C only when being applied to the following 2,4-D resistant crops: soybeans, cotton or corn.
8. H. Reserved.
9. I. Hand injections of pesticides are exempt from the requirements of §1103.C.

10. J. No person shall apply, use, or incorporate the use of any herbicide, as defined in §103, including but not limited to, those registered with and/or approved by the U.S. Environmental Protection Agency or the department, for the management, control, eradication or maintenance of weeds, grass, trees, shrubs, foliage, vegetation or other natural growth in any parish right-of-way, ditch, servitude, drainage area, roadside, road shoulder, green area, buffer zone, waterway, neutral ground or median in the unincorporated areas of St. Tammany Parish.

    1. 1. Definitions as used in this Subsection

       1. Ditch―natural or dedicated area which provides for the containment or flow of water from rain or adjacent drainage areas or waterways such as streams, creeks, ponds, lakes or rivers.
       2. Drainage Area―an area maintained for the purpose of channeling or preventing accumulation of water from surrounding land.
       3. Easement―a designated right to use the property of another for a specific purpose, i.e., drainage, utility easement.
       4. Median/Neutral Ground―the area dividing or separating a roadway and not used for right of passage.
       5. Right-of-Way―any public way, street, road, alley, easement, servitude or access, which was dedicated to or acquired by the St. Tammany Parish to provide means of access to abutting properties; whether paved, improved or unimproved, including those areas dedicated for proposed or future uses.
       6. Roadside/Road Shoulder―natural or dedicated areas which are parallel, contiguous to, abut, adjoin, border, edge, connect or approach any public right-of-way, road, street or highway.
       7. Servitude―a right-of-way through or across property belonging to another.
    2. 2. Exemptions are hand held manual pump sprayers up to a maximum three-gallon capacity.

11. K. An ultra low volume (ULV) malathion and a ULV pyrethroid insecticide (tank mixed) may be applied to control plant bugs in cotton only between sunrise on May 15 through sunrise on September 15 of each year, subject to the following.

    1. 1. Applications shall be made at no less than seven-day intervals at an application rate not to exceed the individual pesticide product labels and with no other dilutions or tank mixes.
    2. 2. Each application shall be reported, in writing and within 24 hours of the application, to the appropriate Boll Weevil Eradication Program district office by the farmer, agricultural consultant or owner/operator.
    3. 3. The report shall include the names and addresses of the farmer, agricultural consultant (if appropriate), owner/operator and applicator; the applicator’s number issued by the department; the field name or number; the number of acres treated; the name and EPA registration number of the pesticide product; and the application date and time.

Authority Note

AUTHORITY NOTE: Promulgated in accordance with R.S. 3:3203, R.S. 3:3242 and R.S. 3:3249.

Historical Note

HISTORICAL NOTE: Promulgated by the Department of Agriculture, Advisory Commission on Pesticides, LR 9:189 (April 1983), amended LR 10:196 (March 1984), LR 11:219 (March 1985), LR 11:942 (October 1985), amended by the Department of Agriculture and Forestry, Office of Agricultural and Environmental Sciences, LR 18:953 (September 1992), LR 19:1119 (September 1993), LR 21:668 (July 1995), LR 24:281 (February 1998), LR 24:2076 (November 1998), LR 26:1428 (July 2000), LR 26:1966 (September 2000), LR 27:279 (March 2001), LR 27:1672 (October 2001), LR 33:1855 (September 2007), LR 35:628 (April 2009), LR 36:1980 (September 2010), LR 37:269 (January 2011), LR 37:809 (March 2011), amended by Department of Agriculture and Forestry, Office of Agricultural and Environmental Sciences, Advisory Commission on Pesticides, LR 37:3478 (December 2011), amended by the Department of Agriculture and Forestry, Advisory Commission on Pesticides, LR 38:1556 (July 2012), amended by the Department of Agriculture and Forestry, Office of Agriculture and Environmental Sciences, LR 42:732 (May 2016), LR 47:1832 (December 2021), LR 49:641 (April 2023).