Plumber Red Seal · Question
A food-processing plant requires the installation of a grease interceptor. According to the NPC, which of the following fixtures should NOT be discharged through this interceptor?
Grease interceptors are designed only for fats, oils, and grease (FOG) from kitchen fixtures. Sanitary waste from toilets contains solids and bacteria that must
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Question: A food-processing plant requires the installation of a grease interceptor. According to the NPC, which of the following fixtures should NOT be discharged through this interceptor?
Answer options:
- A pot-washing sink
- A commercial dishwasher pre-rinse station
- A floor drain in the cooking area ✅ A toilet from an adjacent staff washroom
Correct answer: A toilet from an adjacent staff washroom
Explanation: Grease interceptors are designed only for fats, oils, and grease (FOG) from kitchen fixtures. Sanitary waste from toilets contains solids and bacteria that must not enter the interceptor, as it will interfere with its function and create a serious health hazard.
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