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

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 WQ Specialist –Morgan Hugo Software Engineer

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

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

FOCS-PST –SPISP 2 Leaching Solution Runoff Adsorbed losses Impossible to use WIN-PST –SPISP 2 Leaching Loss Solution Runoff Adsorbed Loss Management –Rate –Residue –Banding –Incorporation –Irrigation –Rainfall Toxicity

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

Soil RatingsPesticide Ratings Interaction Rating Toxicity Hazard Rating

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

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