Mixing, Loading, and Application

Mixing and Loading• the most hazardous

• large amounts of concentrated pesticide

Mixing and Loading• mixing area: outdoors

– good ventilation– well lit

• water source:– air gap to prevent back-siphoning

Personal protective equipment• apron and gloves

• face shield

• respirator - dusts or dangerous vapors

• Carry pesticides and mix below face level

Empty containers• recycle

• puncture

• never reuse

• cannot burn or bury

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

• Empty in sprayer

Rinsable containersRinse as soon as empty back in tank by

either:

• pressure rinsing, using high pressure one time

• Rinse for 30 seconds

• Empty in sprayer

Combining pesticidesRisk undesirable effects

• clogs

• scum

• ineffective

• labels often list compatible chemicals

Compatibility test• quart glass jar

• use same water (pH, debris)

• W-A-L-E– WP or WDG– Agitate– Liquid products– Emulsifiable concentrates

Compatibility test• shake

– Heat may indicate incompatibility

• stand for 15 minutes

Application with Hand Sprayer• gloves and long pants

• walk backwards to avoid walking through the chemical

Equipment cleaning• clean as soon as possible to prevent

drying

• rinsate pad to collect waste– If no pad, move around

• keep wearing PPE

Rinsates• Apply rinsate to labeled area

– Still contains pesticide

Personal cleanup• take shower and wash hair and

clothes

Worker Protection Standard (WPS)• Provide information and training

(EPA approved)

Worker Protection Standard (WPS)Restricted-Entry Intervals Posting

• Notification of applications

• Danger Pesticides and Peligro Pestididas

• REI for low risk: 4 to 12 hours

Worker Protection Standard (WPS)PPE

• Employer provides PPE

Worker Protection Standard (WPS)Decontamination Stations

• Water (1 pint), soap and disposable towels

• At most ¼ mile away

Worker Protection Standard (WPS)Safety Poster

Worker Protection Standard (WPS)Recordkeeping

• Kept for 2 years

• Date, brand EPA registration #, quantity, area, and pest

• MSDS

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

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

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

STORAGE SITE• spill containment spill containment

• potable waterpotable water

STORAGE SITE

STORAGE SITE

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

SPILL MANAGEMENT• -chemtrec 1-800-424-9300, for

emergencies only

• -to report spill, required to report to National Response Center 1-800-424-8802

CONTROL, CONTAIN, AND CLEANUPControl

• PPE

• leaking container, place in a larger container

• isolate from surrounding area

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

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

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

SPILL KIT• emergency number

• PPE

• containment “snakes”

• absorbent materials, saw dust, kitty litter, activated charcoal

• heavy-duty detergent

• fire extinguisher

• heavy-duty plastic container

Disposal• https://agriculture.sc.gov/

content.aspx?ContentID=5143

Closed Pesticide Application• Sprayer siphons pesticide from

container

• No exposure during mixing