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WIN-PST3.1

WIN-PST3.1. Windows Pesticide Screening Tool Version 3.1. WIN-PST3.1. Field Office Tools: Screening tools are available to help address identified water resource concerns in targeted areas

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WIN-PST3.1

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  1. WIN-PST3.1 Windows Pesticide Screening Tool Version 3.1

  2. WIN-PST3.1 • Field Office Tools: • Screening tools are available to help address identified water resource concerns in targeted areas • The Windows Pesticide Screening Tool (WIN-PST) evaluates the potential for off-site pesticide movement in water, and its relative potential to chronically impact humans and sensitive fish species(Risk = Exposure x Toxicity)

  3. WIN-PST3.1 Evaluates three pesticide loss pathways: Leaching below the rootzone Solution runoff beyond the edge of the field Adsorbed runoff beyond the edge of the field Includes considerations for: Climate and Irrigation Soil properties (and macropores) Field-specific organic matter and topsoil depth Apparent high water table

  4. WIN-PST3.1 Includes considerations for: Crop residue management Pesticide application methods broadcast, banded, foliar, soil incorporated Application Rates standard, low, ultra low Results designed to guide the site-specific choice of appropriate mitigation strategies for all recommended pesticide uses

  5. WIN-PST 3.1 When the results are analyzed hazard ratings of very low and low require no action as long as the chemical is used according to the label and meet quality criteria for Resource Management Systems (RMS’s) Ratings of Intermediate or High require mitigation measures to meet quality criteria

  6. WIN-PST 3.1 High ratings warrant more extensive measures than Intermediate Mitigation measures may not be effective for Extra High rating if resources are highly sensitive or a high degree of resource protection is desired In these cases, an acceptable pesticide with a lower risk or an alternate method of pest control may be required

  7. WIN-PST 3.1 Mitigation measures can be found in Table 1 in the Pest Management 595 Standard Table 1 identifies management techniques and conservation practices that have the potential to mitigate pesticide impacts on water quality

  8. WIN-PST 3.1 Measures are ranked on their effectiveness to affect one of the pesticide loss pathways: Leaching, Solution Runoff, and Adsorbed Runoff Effectiveness is shown as “no effect” (blank), “slight effect” (+/-), “moderate effect” (++/--), and “significant effect” (+++/---)

  9. WIN-PST 3.1 Example shows High for Solution Runoff for Fish Hazard on the A B Brand Copper Sulfate Crystals Mitigation measures could be: Application timing Agrichemical Mixing Center Filter Strip

  10. NRCS Non-Discrimination Statement The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer

  11. Steve Boetger NRCS State Agronomist steve.boetger@fl.usda.gov (352)338-9548 Questions? For more information contact:

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