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Crop and Pest Management Guidelines

A Cornell Cooperative Extension Publication
44303

1.14 Handling Pesticides

The following precautions in handling pesticides are essential. Practice them without exception.

  • Avoid skin contact with pesticides. Wear clean, prescribed personal protective equipment.
  • Do not inhale or swallow mist and dust. Wear protective respiratory devices as called for on the label.
  • Wash skin and clothing thoroughly after working with pesticides. Make advance arrangements with a physician for availability of antidotes in case of emergency.
  • Post the telephone numbers of available physicians and the nearest poison control center.
  • Keep pesticide stocks locked up and out of reach of children, animals, and unauthorized persons.
  • Do not permit untrained persons to handle or apply pesticides.
  • Mix only enough spray to do the job.
  • Dispose of containers and unused pesticides according to the label or NYSDEC regulations.

Table 1.13.1. Pesticide toxicity categories and label signal words

I

II

III

IV

Oral LD50

Up to and including 50 mg/kg

From 50 thru 500 mg/kg

From 500 thru 5000 mg/kg

Greater than 5000 mg/kg

Inhalation LC 50

Up to and including 0.2 mg/liter

From 0.2 thru 2 mg/liter

From 2.0 thru 20 mg/liter

Greater than 20 mg/liter

Dermal LD 50

Up to and including 200 mg/kg.

From 200 thru 2000 mg/kg

From 2,000 thru 20,000 mg/kg

Greater than 20,000 mg/kg

Eye effects

Corrosive; corneal opacity not reversible within 7 days

Corneal opacity reversible within 7 days; irritation persisting for 7 days.

No corneal opacity; irritation reversible within 7 days

No irritation

Skin effects

Corrosive

Severe irritation at 72 hours

Moderate irritation at 72 hours

Mild or slight irritation at 72 hours.

Label Signal Word

Danger

Warning

Caution

Caution

 Reference: www.epa.gov/pesticide-registration/label-review-manual