C3applicatorsafety And Poisoning


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C3applicatorsafety And Poisoning

  1. 1. Applicator Safety Pesticide Applicator Exam Preparation Classes Laura Pottorff, CSU Adams County
  2. 2. The Dangers of Pesticides Pesticides are poisons have a wide safety margin when used properly There is no reason for pesticide misuse labels MSDS Cooperative Extension EPA, USDA etc
  3. 3. Pesticide Selection The pesticide you choose should be effective against the pest should have as little hazard to yourself as possible should have as little hazard to the environment as possible
  4. 4. Pesticide Selection Select the safest pesticide formulation whenever there is a choice Granular formulations are safer than sprays or dusts because they drift less. EC pesticides with a petroleum-type carrier are generally more hazardous than water soluble ones • they penetrate the skin more rapidly and are more difficult to wash off.
  5. 5. Pesticide Hazard HAZARD = Exposure x Pesticide Toxicity Pesticides vary in their toxicity (harm) to humans, depending on: dose timing of exposure route of exposure characteristics of the exposed person
  6. 6. Dose Dose is the amount of pesticides actually absorbed into the body As the amount of pesticide absorbed increases the probability of an adverse effect increases the number of adverse effects increases the seriousness of adverse effects increases
  7. 7. Dose Example: Malathion insecticide very small amount absorbed • no effect more absorbed • dizziness, nausea greater and greater amounts absorbed • visual problems, tingling of hands and feet • abdominal cramps, diarrhea • muscle paralysis, breathing difficulties
  8. 8. Timing of Exposure Acute toxicity a single exposure short term Chronic toxicity repeated exposures long term Both can be life threatening
  9. 9. Pesticide exposure Routes of exposure dermal • absorption through the skin or eyes respiratory • inhalation through the lungs oral • ingestion by mouth
  10. 10. Sources of Dermal Exposure Lack or protective Avoid by clothing use protective clothing launder clothing often Using contaminated clothing, gloves, or keep safety equipment clean and in working shoes order wash hands before using the bathroom
  11. 11. Sources of Respiratory Exposure Failure to use proper Avoid by respirator or gas mask always use proper safety equipment respirator or gas mask assure proper fit and fits improperly or is in function of safety poor condition. equipment routinely replace old or used canisters
  12. 12. Sources of Oral Exposure Eating or smoking Avoid by with contaminated always wash hands hands before eating or smoking storing lunch, snacks, store pesticides and beverages near separately from any pesticides edibles always store pesticides in labeled containers
  13. 13. Pesticide Poisonings Based on a 1992 EPA study 47% of households with children under 5 years of age had pesticides stored within easy reach of children (within 4 feet of floor) 75% of households with NO children under 5 years of age had pesticides stored within easy reach.
  14. 14. Pesticides Poisonings 35,000 accidental pesticide poisonings reported annually of children under 6 years of age. There are 1,369,000 people treated for all types of poisonings annually in U.S. (data from the National Captial Poison Control Center, Georgetown Univ.) only 4% are from pesticides.
  15. 15. Pesticide Poisoning Symptoms, severity, and onset from exposure vary greatly with the product or chemical family.
  16. 16. Organophosphate Poisoning Mild fatigue, headache, dizziness, blurred vision, excessive sweating and salivation, stomach cramps Moderate inability to walk, weakness, chest discomfort, muscle twitches, constriction or the pupils, increasing severity of earlier symptoms
  17. 17. Organophosphate (OP) Poisoning Severe unconsciousness, severe, constriction of the eyes, muscle twitches, secretions from the mouth, breathing difficulty and death. Examples: Acephate (Orthene), Malathion and Diazinon
  18. 18. Carbamate Poisoning Similar to OP (both inhibit acetylcholinesterase) Usually result after a short exposure, but can be reversed faster than OP poisonings. Treated with atropine Examples: Sevin, Mesurol, Dycarb
  19. 19. Chlorinated Hydrocarbon Poisoning Mild Headache, nausea, vomiting, general discomfort, dizziness Moderate unusually excited, irritable Severe Convulsions, Coma Examples: DDT, Methoxyclor
  20. 20. Other pesticide poisoning symptoms Skin irritation (contact dermatitis and allergic contact dermatitis) Insecticides : Oils, Pyrethrum, Rotenone Fungicides: Captan, Daconil, Mancozeb, Maneb, Sulfure, Thiram, Zineb Bactericide: Streptomycin
  21. 21. Other symptoms of pesticide poisoning Eye Hazards Insecticides: Neem, BT, Diatomaceous Earth, Oils, Pyrethrins, Sulfur Fungicides: Coppers, Bordeaux, Daconil, Sulfur
  22. 22. Other symptoms of pesticide poisoning Inhalation hazards: results in general poisoning, lung tissue damage, or irritation or allergic reaction of respiratory system. Insecticides: Pyrethrum, Pyrethroids Fungicides: Mancozeb, Maneb, Thiram, Zineb, Daconil Bactericide: Streptomycin
  23. 23. In case of poisoning contact: Rocky Mt Poison Control Center Denver area: 303-629-1123 Outside Denver: 1-800-332-3072