Which of the following is NOT a requirement for handler employee training in pest control?

The reason C is not a requirement for handler employee training in pest control is that while knowing where to purchase pesticides can be relevant for some aspects of pest management, it is not crucial for the immediate responsibilities and safety practices of handling pesticides.

Handler employee training typically focuses on ensuring that employees understand the safe use, application, and handling of pesticides to protect themselves, others, and the environment. This includes understanding the identification of pesticide use dates, which ensures that employees are aware of application timelines and restrictions. Proper storage of pesticides is also vital, as improper storage can lead to spills, contamination, and safety hazards. Additionally, knowledge of pesticide properties is essential for recognizing how pesticides work, their potential risks, and how to manage those risks effectively.

In contrast, knowledge of the specific locations of where pesticides are purchased does not directly impact the safe handling and application practices that handler employees must know.