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Pesticide Technology to Reduce Risk Liability

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Modified by Georgia Agricultural Education Curriculum Office. July, 2002 ... commercial haulers. Virginia Tech Pesticide Programs. 9. Containers ... – PowerPoint PPT presentation

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Title: Pesticide Technology to Reduce Risk Liability


1
Pesticide Technology to Reduce Risk (Liability)
Modified by Georgia Agricultural Education
Curriculum Office
July, 2002
  • Mike Weaver, Coordinator
  • Pesticide Programs
  • Department of Entomology
  • Virginia Tech
  • Blacksburg, Virginia

2
Factors That Increase Risk
  • Toxicity
  • chemicals
  • physical conditions
  • human health factors
  • Exposure (handler)
  • mixing/loading
  • application
  • cleanup
  • storage/transport
  • disposal
  • Exposure (workers/public)
  • entering treated areas
  • movement off site
  • transport
  • mix/load/storage sites
  • disposal
  • spills
  • exposure to treated crops

3
Areas Where Growers Can Reduce Their Risks
  • Toxicity
  • less toxic pesticides
  • non-chemical alternatives
  • rate, dilution, formulation
  • Exposure (handler)
  • use PPE
  • use of advanced packaging systems
  • implement advanced handling systems
  • Exposure (workers/public)
  • control access
  • control runoff/leaching/drift
  • change transportation factors
  • mix/load/storage sites BMPs
  • minimize waste
  • be prepared to handle spills
  • avoid harvesting

4
Todays Topics
  • Disposal and waste minimization
  • Advanced handling technology
  • systems to reduce exposure, drift, waste
  • Discussion of registered products based on
  • toxicity
  • reduced risk formulations and packaging
  • alternatives
  • Choosing personal protective equipment (PPE)

5
Disposal Basics
  • Avoid excess stored inventories
  • Minimize excess pesticides and rinsates
  • Avoid the need to dispose of pesticide containers
    as wastes

6
Disposal Methods
  • Storage
  • Reuse
  • Remediation
  • Recycling
  • Burial
  • Incineration

7
Excess Pesticides
  • Buy only what you need for one season
  • Calculate dilutions carefully
  • Use all mixed pesticide as labeled
  • Apply excess mix as labeled on site
  • cant exceed rate and frequency
  • comply with application directions
  • Return or give away excess products
  • Add rinsates to tank

8
Pesticide Wastes
  • Excess pesticides and rinsates must be disposed
    of as wastes
  • Sanitary landfills will take rinsed containers
    only
  • Store wastes
  • under RCRA guidelines
  • small hazardous waste generator
  • 2.2lbs. (acute) / 2,300 lbs/month
  • farmer exemptions
  • Have wastes hauled
  • commercial haulers

9
Containers
  • Use refillable or returnable containers
  • Recycle or recondition containers
  • Use soluble packaging

10
Container Design
  • Redesigned to reduce spills and enhance handling
  • no-glug openings
  • reduced weight
  • impact resistant
  • measure and pour spouts
  • closed systems
  • elimination of traditional containers

11
Container Contents
  • Low rate technology
  • ounces/acre
  • smaller containers
  • Reduced risk pesticides
  • lower toxicity
  • more flexible handling
  • reduce number of containers
  • may eliminate some products as hazardous waste

12
Returnable/Refillable Paks
  • Mini-bulks and small volume returnables
  • ag. and specialty
  • 15-110 gallon
  • Novartis
  • FarmPak/TurfPak
  • Aqumix
  • 15 gallon
  • dilute or concentrate
  • closed systems
  • rights-of-way industry

13
Recyclable and Reconditionable Containers
  • Must be properly rinsed
  • metal
  • plastic
  • chipped and recycled
  • Drums
  • 30 and 55 gallon
  • return to dealer
  • reconditioning
  • reuse

14
Soluble Containers
  • Vinyl-alcohol water soluble films
  • Water soluble paks
  • Gel paks
  • Effervescent tablets
  • Biodegradable containers
  • Bag-in-bag
  • Impregnated fabrics and plastics

15
Water Soluble Paks
  • Reduced packaging
  • paper outer shell
  • non-hazardous waste
  • Water soluble pouch
  • polyvinyl alcohol
  • Dry formulations
  • water dispersible granules (WDG)
  • wettable or soluble powders (WP or SP)

16
Gel Paks
  • Reduced packaging
  • water soluble pouch
  • supports mixtures
  • non-hazardous waste
  • Liquid formulation
  • gel
  • sensitive to impact
  • water soluble
  • self-sealing

17
Effervescent Tablets
  • Scored tablets
  • cut dosages
  • Dissolve in mix water
  • Prescribed amounts
  • no mixing and loading of concentrates

18
Impregnated Fabrics/Plastics
  • Contained in pockets on plastic or synthetic
    landscape fabric
  • Used as mulches to inhibit weed growth
  • Slow release from pockets

19
Handling Rinsates and Reducing Wastes
  • Triple rinsing (10-30-3)
  • Probes and Jets
  • jet rinsers
  • siphon/rinse probes
  • tank rinsers
  • container rinsers
  • Closed systems
  • Injection systems
  • Portable sumps

20
Jet Rinsers
  • Accepted alternative to triple rinsing
  • Inexpensive
  • Very efficient
  • speeds up rinsing
  • saves chemical
  • saves time
  • saves money

21
Probes
  • Siphon/rinse probes
  • closed system (part)
  • measure concentrates
  • eliminate mix/load process
  • reduce chance of waste and spills

22
Tank and Container Rinsers
  • Tank rinsers
  • internal to tank
  • more efficient
  • saves time and cleans more efficiently
  • Container rinsers
  • designed to rinse larger containers
  • does not puncture container

23
Closed Systems
  • Eliminate manual mixing/loading process
  • Reduce exposure to concentrates
  • Reduce waste of concentrates
  • Reduce spill potential

24
Closed Systems - Small Systems and Backpack
Sprayers
  • Nomix/Monsanto Expedite System
  • pre-packaged product (no mixing or handling)
  • self-sealing, no waste, refillable containers
  • five different herbicides

25
Closed Systems - Small Systems and Backpack
Sprayers
  • Nomix/Monsanto Expedite System
  • backpack sprayer
  • reduced drift
  • nozzles
  • chemistry

26
Systems to Reduce Drift
  • Low drift nozzles
  • Spray shields
  • Low boom height
  • Proper use
  • low wind speeds
  • low pressures
  • selection of formulations with low drift potential

27
Injection Systems
  • Closed system
  • Computer-controlled mixing and calibration
  • No large tank of diluted chemical
  • in-line mixing
  • Tank mixes
  • Eliminates waste and saves time

28
Portable Sumps
  • Decontamination sites
  • Up to 33 linear feet of work area and 1,465
    gallon sumps
  • Eliminate spills and runoff from load/fill sites
  • Comply with existing and future disposal
    regulations

29
Summary - Affecting Exposure
  • Reduced risk handling systems
  • formulations and packaging eliminate handling
    concentrates and mixing
  • containers reduce spills and accidents
  • closed systems and computer controlled systems
    reduce fatigue and mistakes
  • Personal Protective Equipment (PPE)
  • still the best way to reduce exposure

30
Summary - Affecting Toxicity
  • Reduced risk pesticide products
  • low toxicity compounds
  • new registrations (many post 1993)
  • most biologicals and low rate products
  • formulations and packaging

31
Virginia Registered Products
  • Products registered specifically in Virginia
  • not all inclusive
  • does not imply other products are illegal
  • notice low risk products in list
  • WSP, WSB, Dry-Pak, ChemPaks,
  • G, RTU, WDG
  • IGR, phermones, milky spore, B.t.
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