Ohio Herbicide Certification Practice Test 2026 – Your All-in-One Guide to Exam Success!

Signal words on pesticide labels indicate how toxic the product is and what level of precautions are needed. The scale runs from most to least hazardous as Danger, Warning, then Caution. DePesto uses the word Caution, which means it has relatively low acute toxicity. That’s why it’s the best choice: Danger would signal a highly toxic product, and Warning would mean a higher level of hazard than DePesto. “Keep Out of Reach of Children” is an important safety statement, but it’s not the signal word itself. Reading the full label will tell you exactly which PPE and handling precautions are recommended.