Wyoming Pesticide Applicator Practice Test 2025 – Complete Exam Prep

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Question: 1 / 605

What does the acronym PPB stand for in the context of pesticides?

Lethal Dose

Parts Per Million (PPM)

Parts Per Billion (PPB)

PPB stands for Parts Per Billion, which is a measure of concentration in a solution. A Parts Per Billion is a smaller unit of measure than Parts Per Million (PPM), so B is incorrect. A is also incorrect because Lethal Dose is a measure of toxicity, not a concentration. D is incorrect because a pathogen is a disease-causing microorganism, not a measure of concentration. Therefore, the correct answer is C - Parts Per Billion (PPB).

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