Louisiana Administrative Code
Title 7 - AGRICULTURE AND ANIMALS
Part XXIII - Pesticides
Chapter 11 - Regulations Governing Application of Pesticides
Section XXIII-1105 - Fixed Wing Aircraft; Standards for Commercial Aerial Pesticide Applications

1. The effective spray boom length shall not exceed 75 percent of the length of the wing (wing tip to wing tip) on which the boom is attached.

2. Except as follows, all spray nozzles shall be oriented to discharge straight back toward the rear of the aircraft. When applying insecticides by aircraft, with a maximum flying speed of less than 120 miles per hour, the applicator shall have the option to position nozzles at an angle of 45 degrees down from straight back or 45 degrees back from straight down.

3. The spray boom pressure shall not exceed a maximum of 40 pounds per square inch (40 PSI).

4. When disc and core type nozzles are used for herbicide, desiccant, or defoliant applications, a number 46 or larger core must be used.

5. Unless further restricted by other regulations or labeling herbicides shall be applied in a minimum of five gallons of total spray mix per acre.

6. Unless further provided for by other regulations or labeling all other pesticides shall be applied in a minimum of one gallon of total spray mix per acre. With the following exception: