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What is a general characteristic of Category 3 water?

  1. It is safe for drinking

  2. It contains pathogens

  3. It is chemical-free

  4. It is used for irrigation

The correct answer is: It contains pathogens

Category 3 water is classified as unsanitary and is known to contain harmful pathogens that can pose serious health risks. This type of water typically originates from sources such as sewage backups, flooding from rivers or streams, or water that has been contaminated by chemicals and bacteria. Due to its high potential for contamination, exposure to Category 3 water can lead to severe health issues, making proper remediation and safety measures crucial when dealing with such circumstances. The other options do not align with the characteristics of Category 3 water. For instance, it is not safe for drinking, as it carries pathogens; it is not chemical-free, given that it can contain toxins; and it should not be used for irrigation because of the health hazards associated with pathogens and contaminants.