1. Windows Pesticide Screening Tool WIN-PST NRCS National Water and Climate Center Amherst, MA

2. WIN-PST • NAPRA (National Agricultural Pesticide Risk Analysis) Team: • NRCS • Joe Bagdon Pest Management Specialist • Eric Hesketh Soil Scientist • University of Massachusetts Extension • Steve Plotkin WQSpecialist • Morgan Hugo Software Engineer

3. WIN-PST • WIN-PST is Pesticide Screening Tool: • Easy to use • Self contained • Pesticide data • Soils data • Toxicity data • Provides risk rating classes (e.g., High, Intermediate, Low…) • Helps planners determine when mitigation is needed • Available for NRCS Field Office use now

4. NPURG SPISP 1 Leaching Loss Surface Loss Foliar Application WIN-PST SPISP 2 Leaching Loss Solution Runoff Adsorbed Loss Management Rate Residue Banding Incorporation Irrigation Rainfall Toxicity

5. FOCS-PST SPISP 2 Leaching Solution Runoff Adsorbed losses Impossibleto use WIN-PST SPISP 2 Leaching Loss Solution Runoff Adsorbed Loss Management Rate Residue Banding Incorporation Irrigation Rainfall Toxicity

6. WIN-PST • Uses SPISP 2 (Soil/Pesticide Interaction Screening Procedure version 2) • Adds Management and Toxicty • SPISP 1 in NRCS field offices 1988 • NPURG uses SPISP 1

7. Soil Ratings Pesticide Ratings Interaction Rating Toxicity Hazard Rating

8. Low • Very Low Mitigation not necessary WIN-PST • “Interaction” Hazard Categories • Extra High Mitigation may not work • High Mitigation - higher level (3 or more practices) • Intermediate Mitigation - basic level (1 or 2 practices)

9. WIN-PST • Educate ag. producers- hazards of pesticide loss • Factors that influence loss • Factors that influence ‘hazard’ • Identify potentially high risk soil/pesticide combinations • Design and apply conservation practices & mitigation techniques that reduce hazardous pesticide losses