1. Causes of pesticide poisoning

(1) Poisoning that occurs during the use of pesticides is called productive poisoning. The main causes of productive poisoning are as follows.

1 Inadvertent dispensing, liquids contaminated the skin of the hand, and no timely cleaning;

2 The application method is not correct. For example, the person sprays medicine forwards and sprays the wet clothes; several sprays spray the medicine at the same time; they do not follow the trapezoidal advancement and the downwind side first, causing mutual influence and causing pollution.

3 do not pay attention to personal protection, such as not wearing long-sleeved clothes, trousers, rubber boots, barefoot halter spray; dispensing, dressing does not wear rubber gloves, gas masks and goggles

4 The sprayer leaks medicine, or repairs it by hand in the event of a malfunction, or even blows debris in the shower head to cause pesticides to contaminate the skin or enter the body through the mouth.

5 Too long for continuous application of the drug, too much drug entering through the skin and respiratory tract; or field work soon after application.

6 After washing, do not wash hands, wash your face, eat, drink water, and smoke.

7 The pesticide application does not meet the requirements.

8 In the process of scientific research, production, transportation and sales, accidents or poor protection caused serious pollution and poisoning.

(2) Poisoning in contact with pesticides in daily life is called non-productive poisoning. The main causes of non-productive poisoning include:

1 Indiscriminate use of pesticides, such as the use of highly toxic pesticides to eliminate cockroaches, kill mosquitoes, cure cockroaches or other skin diseases.

2 Poor storage, mixing pesticides with grain, poisoning food contaminated with pesticides.

3 Use pesticides to pack food or use pesticides to bottle oil, wine, etc.

4 Eat the fruits, vegetables, pesticide-mixed seeds or pesticide-poisoned poultry, fish, shrimp, etc. that were recently applied.

5 The leakage or cleansing of medical equipment after field application pollutes drinking water sources.

2. Factors Affecting Pesticide Poisoning

(1) The greater the toxicity of pesticides and toxic pesticides, the greater the possibility of poisoning.

(2) Temperatures and temperatures are high, and the number of people poisoned is more concentrated. About 90% of poisoning patients occur in temperatures from July to August when temperatures are above 30°C.

(3) Pesticide-type emulsifiable concentrates have more poisoning, powder poisoning is rare, and granules and sustained release agents are relatively safe.

(4) Poisonous soil is used for pesticide application, splashing is safer; spray poisoning is more. The amount of pesticide contaminated on the calf and palm of the applicator was confirmed to be the minimum, splashing was 10 times, and spray was 150 times.

3. Ways for pesticides to enter the body and cause poisoning

(1) Poisoning through the skin into the human body is caused by pesticides contaminating the skin and entering the body. Many pesticides can be dissolved in organic solvents and fats. For example, some organic phosphorus pesticides can enter the body through woundless skin. Especially when it is hot, the temperature is high, the skin is sweaty, the blood circulation is fast, and it is easy to absorb. When the skin is damaged, the pesticide is easier to enter. A lot of sweating can also promote the absorption of pesticides.

(2) Inhalation of human powders, fumigants and easily volatile pesticides through the respiratory tract can cause inhalation from the nostrils. Fine droplets when sprayed, suspended in the air, can also be easily inhaled. In the inhalation of pesticides from the respiratory tract, special attention should be given to odorless, odorless, non-irritating agents. These agents are more likely to be poisoned than those having special odors and irritating agents. Because it is easily overlooked by people, it is unknowingly inhaled into the body.

(3) Various chemical pesticides entering the body through the digestive tract can cause poisoning from the digestive tract into the human body. More common in accidental pesticides or eating food contaminated by pesticides. Poisoning by mouth. The dose of pesticides is generally large and difficult to completely eliminate, so the poisoning is also more serious and dangerous.

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