The final Spray Drift Test Guidelines are generally intended to meet testing requirements under FIFRA and TSCA for the movement of pesticide products through air when applied by aircraft or ground equipment. 

840.1000 - Background for Pesticide Aerial Drift Evaluation (March 1998)
840.1100 - Spray Droplet Size Spectrum (March 1998)
840.1200 - Spray Drift Field Deposition (March 1998)