Oregon Pesticide Practice Test

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Prepare for the Oregon Pesticide Test with various quizzes featuring multiple choice questions, detailed hints, and explanations. Get exam-ready efficiently!

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Is left over pesticide residue in the spray tank permitted when changing products?

Yes, it's acceptable
No, it must be cleaned
Only for similar products
Only for emergency situations

The correct answer is: No, it must be cleaned

Pesticide residue left in the spray tank when changing products must be cleaned out to prevent any unwanted chemical reactions, contamination, or adverse effects on the new pesticide being used. Residues can alter the effectiveness of the new pesticide, potentially leading to poor pest control or unintended damage to crops or the environment. Cleaning the tank ensures that the new pesticide is applied effectively at the intended concentration, without interference from residues of previous products. This practice aligns with safety standards and responsible pesticide application protocols, which emphasize the importance of maintaining equipment to minimize risks to human health, non-target organisms, and the environment. Additionally, certain pesticides can be incompatible with one another, and not cleaning the tank could lead to unforeseen chemical interactions that are hazardous. Thus, thorough cleaning is essential when transitioning between different products.