Reducing Spray Drift

Sprayers 101 –
This site describes best practices for the safe, efficient and effective operation of agricultural sprayers. Viewers can browse the library of articles, videos, presentations, apps, calculators, tables and ePubs. –

BASF – On Target Application Academy (OTAA)
On Target Application Academy is designed to help growers who self-apply herbicides, achieve effective and sustainable weed control. Developed by Dr. Bob Wolf, Wolf Consulting & Research LLC, TeeJet Technologies and BASF, OTAA provides hands-on training covering new application technologies including nozzle selection, plant biology, advancements in product chemistries, and best practices for mitigating drift.

The Value of Buffers – For Pesticide Stewardship and Much More- Syngenta and DELTA F.A.R.M.

Pesticide Spray Drift Canada, Ontario Ministry of Agriculture and Food

Stewardship to Minimize Drift
pdf_icon New Technologies for Reducing Off Target Movement – Craig Blewett, Dow AgroSciences (Note: this file contains 60MB)
pdf_icon Pollinator Protection: The Role of Stewardship in Seed Treatments – lain Kelly, Bayer CropScience
pdf_icon Aerial Applicator Stewardship: A Case Study – Deb Shatley & Brian Bret, Dow AgroSciences

Shifting the Spray Droplet Size Dialogue to VD.10 and Relative Span
Moderator: Jason Deveau, Ontario Ministry of Agriculture
pdf_icon Agriculture Aviation Technology, Air Induction Nozzles, VMD, VD.10, and Relative Span – Bob Wolf, Wolf Consulting LLC
pdf_icon Should we train using micron size references or only do so referencing spray quality – Has the time come to shift to drop size? – Bob Wolf, Wolf Consulting LLC
pdf_icon Australian Regulations Limiting VD.10 for Aerial (and the future) (narrated) – Andrew Hewitt, University of Queensland

Herbicide Symptomology
Moderator: Ples Spradley, University of Arkansas Extension
pdf_icon The Need for Baseline Data – Gail Amos, Washington State Department of Agriculture  (Note: Very large file! 566MB)
pdf_icon Inspector Training Challenges – Jack Peterson, Arizona Department. of Agriculture
pdf_icon Drift Watch Update – Dave Scott, Office of the Indiana State Chemist

Changing Applicator Behaviors to Minimize Off-target Movement
Moderator: Brian Brett, Dow AgroSciences
pdf_icon Air Induction Nozzles – Why are applicators still using flat fan nozzles? – Bob Wolf, Wolf Consulting LLC
pdf_icon Air Induction Nozzles: A Canadian Experience in Industry Adoption – Jason Deveau, Ontario Ministry of Ag  (Note: this file contains 90MB)
Does the Compliance Stick Work? – Dave Scott, Office of the Indiana State Chemist


Ongoing Trials and Tribulations of Drift Label Language and Its Enforcement
pdf_icon Case Study by Elizabeth Carter, Pesticide Investigator, Office of Indiana State Chemist


Spray Drift Mitigation Label Statement: Recognizing Base Principles
pdf_icon Empirical Data Used for Label Statements – Scott Jackson, BASF
pdf_icon Efficacy and Drift: Recognizing the Conflicts – Scott Bretthauer, University of Illinois
pdf_icon Revising the ASABE S-572 Droplet Standard and Its Practical Use
– Bob Wolf, Extension Specialist, Application Technology, Biological and Agricultural Engineering, Kansas State University   WATCH THE VIDEOS

Spray Drift Management: Application Technologies and Realities
pdf_icon Decision-Making Challenges for Aerial Application – Randy Hale, Hale Dusting Services
pdf_icon Where Applicators Really Get Their Weather Information – Dennis Gardisser, WRK of Arkansas
pdf_icon Air-Assisted Electrostatic Crop Spraying Halves Pesticide Total Environmental Load – S. Edward Law

Spray Drift: Current Regulatory Activity
pdf_icon Overview of EPA’s PRN Notice for Pesticide Drift – Cathryn O’Connell, Team Leader, US EPA Office of Pesticide Programs

Spray Drift: Current Mitigation Measures
pdf_icon Aerial Application Optimization: – Jim Gaffney, BASF
pdf_icon Operation S.A.F.E for Spray Quality Performance/Web-based Decision-making  – Dennis Gardisser, WRK of Arkansas
pdf_icon Drift Watch – Dave Scott, Pesticide Program Administration Manager, Office of the Indiana State Chemist

Constructing Desirable and Practical Label Statements for Spray Drift Mitigation – a Facilitated Discussion
pdf_icon Wind Direction and Speed – Dave Scott, Pesticide Program Administration Manager, Office of the Indiana State Chemist
pdf_icon Temperature Inversions – Carol Ramsay, Washington State University
pdf_icon Buffers and No Spray Zones – Gail Amos, Washington State Department of Agriculture

Obtaining Efficacy and Drift Reduction
Applicator Tools for Optimizing Coverage, Minimizing Drift
pdf_icon Carolyn Baecker, CP Products
pdf_icon Will Smart, Greenleaf Technologies
pdf_icon EPA’s Drift Reduction Technology: Status of Process – Jay Ellenberger


Monitoring Soil Fumigations as a Stewardship Strategy
pdf_icon Are Draeger Monitoring Devices the Right Tool? – Craig Rogers, Draeger Safety, Inc.
pdf_icon Four Replicated Metam Sodium Flux Studies on Shank Injection/Compaction with Dual Water Seals – David Sullivan, Sullivan Environmental
pdf_icon Monitoring Impacts and Realities – Vince Hebert, Washington State University

Implementation Challenges for Soil Fumigation Management Plans
pdf_icon EPA Labeling Requirements for Soil Fumigation Management Plans – Dirk Helder, US EPA OPP
pdf_icon Compliance Issues with Fumigation Management Plans – Bob Spencer, Idaho Department of Agriculture
pdf_icon Industry Perspectives – Open Panel Discussion

Soil Fumigation Stewardship: Notifying First Responders and the Public
pdf_icon Impacts on State Enforcement Programs – Bob Spencer, Idaho Department of Agriculture
pdf_icon Geomapping Impacted Residential Areas – Barb Morrissey, Washington Department of Health
pdf_icon Industry Perspectives – Open Discussion