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Because pesticides contain different ingredients, different chemical reactions occur after a fire or water. If a fire occurs during the storage, transportation, or use of pesticides, the corresponding fire extinguishing method should be adopted according to the type of pesticide. Otherwise, not only can the fire be quickly extinguished, but it may be possible to refuel. The following are some pesticide fire extinguishing methods: After the organic chlorine powder is burned with water, hydrogen chloride toxic gas can be released and can be extinguished with water, sand or foam fire extinguisher. The organic chlorine emulsifiable concentrate emits toxic hydrogen chloride gas in the event of fire and can be extinguished with dry sand, foam or carbon dioxide extinguisher. Organophosphorus-based emulsifiable concentrates are volatile and generate isomers that increase the toxicity to the human body. Apply on sand. Carbon dioxide or foam fire extinguishers extinguish fire. The organic phosphorus powder is water-soluble, heat-sensitive, and easily decomposed in case of alkalis. It is poisonous and can be extinguished by sand, foam or carbon dioxide extinguisher. Organic sulfur compounds are flammable and toxic and can be extinguished with water, sand or carbon dioxide extinguishers. Organic sulfur powder is deliquescent and toxic. It can be extinguished with water, sand and foam fire extinguishers. Organic arsenic powder is irritating and highly toxic and should prevent contact with skin and glaze. Use water, sand, foam fire extinguisher to extinguish the fire. Arsenic preparations cause decomposition, sublimation and high toxicity in case of high heat, and they can be extinguished with water and sand. Mercury can be traced back and evaporate to produce poisonous gas. It can be extinguished by the use of water sprayed on the sand and through the wrist. Sulfur sublimates when heated to generate suffocative sulfurous acid gas. A small fire can be used to extinguish the fire on the sand. The fire can be used to extinguish the fire by spraying water through the spray machine. Formalin can be extinguished with water and sand. Zinc phosphide emits phosphine, which is poisonous and flammable. It can be used for sand and carbon dioxide fire extinguishers. Methyl bromide can easily explode in the event of a fire, release toxic gases, and can be extinguished with water, foam, and carbon dioxide extinguisher. Aluminum phosphide emits phosphine gas in the event of fire and is highly toxic. It can be extinguished by sand and carbon dioxide fire extinguishers. 401, 402 can use sand, carbon dioxide fire extinguisher fire. In particular, it must be remembered that zinc phosphide, aluminum phosphide, 401, 402 pesticides are on fire and must not be saved by water.