Minnesota Department of Agriculture IPM in Schools Program Contact: Jean Ciborowski,
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Transcript of Minnesota Department of Agriculture IPM in Schools Program Contact: Jean Ciborowski,
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What Are Pesticides?
Funding provided from the MN Future Resources Fund
as recommended by the Legislative Commission on
Minnesota Resources
Minnesota Department of Agriculture
IPM in Schools Program
Contact: Jean Ciborowski,
651-297-3217
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Definition of a Pesticide
Any chemical used to repel or kill a pest organism
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Examples of Pesticides
Algacides/slimicides Herbicides Fungicides Insecticide Rodenticides Miticides
Acaricide Avicides Molluscicides Nematicides Sanitizers/ disinfectants
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Information in a Pesticide Label
Pesticide name– Brand, trade or product, common, chemical
Type of pesticide– Fungicide, herbicide, insecticide
Formulation– Granular, liquid
Classification: Restricted use– Could cause harm to humans, including pesticide handlers, or to
environment. In Minnesota, must be certified applicator to apply RUP
Ingredients Statement– Active ingredient = chemical in product that kills or controls target
pest
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Directions for Use
Crops, livestock or sites to be treated
Pests to be controlled Methods of application Amount, how to mix and apply Other including: geography, time,
wildlife, incompatibilities
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Warnings and Precautions
Signal Words Protective clothing and equipment Safe handling First aid instructions Storage and disposal Environmental hazards Re-entry intervals Storage and disposal
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Important Numbers
EPA Registration Number– Label approved by federal
government
Establishment Number—specific manufacturing plant
where pesticide produced
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Label is
Target pests, crops, site Protective clothing or
equipment to be used Application rates and
methods Re-entry intervals Etc
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MSDS Material Safety Data Sheet
Chemical Identification Ingredient Information Physical data Hazards identification First Aid measures Reactivity Data Fire and Explosion Data Accidental Release Measures Protective Equipment Toxicology information Ecological Information Disposal considerations Transport information Regulatory information Special Precautions
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Signal Words for Toxicity Categories
IV-Caution- Relatively nontoxic- Mild Irritation
III-Caution- Slightly Toxic- Moderate Irritation
II-Warning- Moderately Toxic- Irritation
I-Danger or Danger /Poison
-(skull and crossbones symbol) - Highly Toxic
-Very poisonous and irritating
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Precautionary Statements: Signal Words
Danger (or Poison) Warning Caution
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Caution
Notice the word CAUTION is used for both category III and IV.
Since category III chemicals are included in this law and category IV are not, it is essential that you know which is which.
The CFL web site is your best source of information on the categories.
– http://cfls.state.mn.us/pesticide
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Pesticide Toxicity: Routes of Exposure
Eye Dermal – skinOral - by mouth,
ingestion Inhalation -
breathe in
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PPE = Personal Protective Equipment
Follow label instructions
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To Reduce Exposure, Do Not:
Have contact with pesticides in closed or poorly ventilated areas or breathe vapors, dust or mist without PPE Be especially aware of fumigant vapors
Inhale vapors from drift or reenter area too soon Splash or spray pesticides in eyes or mouth Rub eyes or forehead with contaminated gloves or
handsMistake pesticide for food or drinkApply pesticides in windy weatherTouch pesticide treated surfaces
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To Reduce Exposure, Do:
Use PPE as indicated on label when preparing or applying pesticides
Wash contaminated clothing--check pesticide label directions
Avoid accidentally applying pesticides to food
Wash hands after handling pesticides or containers
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To Reduce Pesticide Exposure to Others, when possible
Consider alternatives to pesticides Use baits, traps and pest strips Spot treat or use crack and crevice treatments Make applications at times when staff and
students are less likely to contact pesticides Promote good sanitation and hand washing
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HEALTH RISK =EXPOSURE X TOXICITY
Reduce risk by reducing either or both of those factors
Exposure -- find non chemical pest controls, improve pesticide handling procedures and safety practices
Toxicity – select products with lower toxicity
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Measuring Toxicity
Toxicity rating LD50 (inhalation LC50) Lethal dose that killed 50 percent of
test population (animals exposed to pesticide)
LD50 expressed in milligrams product per kilogram weight of animal
Lower number, the higher the toxicity