What is the formula to find simple gallons per mile in a spray application?

The formula for finding simple gallons per mile in a spray application is derived from understanding how gallons per acre (GPA) relates to the spray width (SW) and the distance covered in miles. In this case, the total gallons applied per acre (GPA) is multiplied by the spray width (SW) to determine the total volume of spray used in acres. Since there are 43,560 square feet in one acre, this conversion allows for the gallons sprayed over the specified width to be adjusted according to the distance traveled, which is standardized by dividing by 8.25, giving the result in gallons per mile.

This calculation is essential for ensuring that the application rate is consistent and effective over specific areas, which is crucial in right-of-way maintenance and pest control practices. By utilizing this formula, applicators can accurately estimate the amount of pesticide needed, ensuring compliance with regulations and minimizing environmental impact.