Plumber Red Seal · Question
During a routine inspection of a commercial building, a plumber identifies a direct connection between the potable water supply and a process tank containing a non-potable chemical solution, with no visible backflow prevention device. This situation represents what level of hazard?
A direct connection between potable water and a process tank containing a non-potable chemical solution constitutes a severe hazard. This is because contaminant
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Question: During a routine inspection of a commercial building, a plumber identifies a direct connection between the potable water supply and a process tank containing a non-potable chemical solution, with no visible backflow prevention device. This situation represents what level of hazard?
Answer options:
- Minor hazard
- Moderate hazard ✅ Severe hazard
- Cross-connection potential
Correct answer: Severe hazard
Explanation: A direct connection between potable water and a process tank containing a non-potable chemical solution constitutes a severe hazard. This is because contaminants could easily enter the potable water system, posing a significant risk to health. 'Cross-connection potential' is too general, as this is an active cross-connection with high risk.
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