Download - Mixing, Loading, and Application
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Mixing, Loading, and Application
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Mixing and Loading• the most hazardous
• large amounts of concentrated pesticide
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Mixing and Loading• mixing area: outdoors
– good ventilation– well lit
• water source:– air gap to prevent back-siphoning
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Personal protective equipment• apron and gloves
• face shield
• respirator - dusts or dangerous vapors
• Carry pesticides and mix below face level
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Empty containers• recycle
• puncture
• never reuse
• cannot burn or bury
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Rinsable containersRinse as soon as empty back in tank by
either:
• triple rinse, filling container 1/4 with water
• Shake for 30 seconds each time
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Rinsable containersRinse as soon as empty back in tank by
either:
• pressure rinsing, using high pressure one time
• Rinse for 30 seconds
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Combining pesticidesRisk undesirable effects
• clogs
• scum
• ineffective
• labels often list compatible chemicals
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Compatibility test• quart glass jar
• use same water (pH, debris)
• W-A-L-E– WP or WDG– Agitate– Liquid products– Emulsifiable concentrates
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Compatibility test• shake
– Heat may indicate incompatibility
• stand for 15 minutes
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Application with Hand Sprayer• gloves and long pants
• walk backwards to avoid walking through the chemical
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Equipment cleaning• clean as soon as possible to prevent
drying
• rinsate pad to collect waste– If no pad, move around
• keep wearing PPE
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Rinsates• Apply rinsate to labeled area
– Still contains pesticide
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Personal cleanup• take shower and wash hair and
clothes
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Worker Protection Standard (WPS)• Provide information and training
(EPA approved)
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Worker Protection Standard (WPS)Restricted-Entry Intervals Posting
• Notification of applications
• Danger Pesticides and Peligro Pestididas
• REI for low risk: 4 to 12 hours
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Worker Protection Standard (WPS)PPE
• Employer provides PPE
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Worker Protection Standard (WPS)Decontamination Stations
• Water (1 pint), soap and disposable towels
• At most ¼ mile away
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Worker Protection Standard (WPS)Safety Poster
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Worker Protection Standard (WPS)Recordkeeping
• Kept for 2 years
• Date, brand EPA registration #, quantity, area, and pest
• MSDS
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Pesticide Certification Fees• Private, $10 every 5 years
– in the production of an agricultural commodity (farm, nursery, greenhouse) on your or your employer’s property
• Commercial, $50 per year– applying pesticides for hire, even on
his/her employer's personal property
• Noncommercial, exempt– an employee of a government
agency, either federal, state, or local
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Recertification• Training sessions for Continuing
Certification Hours (CCH) or passing exam again
• Commercial License expires in 5 years unless– Complete CCH within 5-year time block
(not within one year)• Commercial and Noncommercial 10 CCH• Private 5 CCH
– Otherwise, retest
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STORAGE SITE• large amounts in separate buildinglarge amounts in separate building
• protect from accessprotect from access
• protect from water damageprotect from water damage
• temperature controltemperature control
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STORAGE SITE• spill containment spill containment
• potable waterpotable water
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STORAGE SITE
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STORAGE SITE
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STORAGE MAINTENANCE• keep containers labeledkeep containers labeled
• be aware of damaged containersbe aware of damaged containers– transfer to suitable container with labeltransfer to suitable container with label– shelf life, about 1 yearshelf life, about 1 year
• beware of flammable pesticidesbeware of flammable pesticides
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SPILL MANAGEMENT• -chemtrec 1-800-424-9300, for
emergencies only
• -to report spill, required to report to National Response Center 1-800-424-8802
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CONTROL, CONTAIN, AND CLEANUPControl
• PPE
• leaking container, place in a larger container
• isolate from surrounding area
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CONTROL, CONTAIN, AND CLEANUPContainmentContainment
• containment snakes or dam with soilcontainment snakes or dam with soil
• protect water sourcesprotect water sources
• absorb liquids with sawdust, kitty absorb liquids with sawdust, kitty litterlitter
• cover dry materialscover dry materials
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CONTROL, CONTAIN, AND CLEANUPClean-upClean-up
• swept into heavy-duty plastic drum swept into heavy-duty plastic drum or bagor bag
• dry pesticide can be re-applieddry pesticide can be re-applied
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CONTROL, CONTAIN, AND CLEANUP• nonporous floor, wash with water and
detergent
• carpet, wood, etc needs to be removed
• neutralizing spill– bleach, then absorbent material– remove 2-3 inches of soil– may need to then mix in activated charcoal
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SPILL KIT• emergency number
• PPE
• containment “snakes”
• absorbent materials, saw dust, kitty litter, activated charcoal
• heavy-duty detergent
• fire extinguisher
• heavy-duty plastic container
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Closed Pesticide Application• Sprayer siphons pesticide from
container
• No exposure during mixing
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