Listening Quiz: Quan Trắc Chất Lượng Nước Cho Đơn Xin Giấy Phép – Medium Level

1. What is the main topic of Emma and Michael’s conversation?
2. According to Emma, how often should samples be taken during the permit period?
3. What must happen to the samples after they are collected?
4. What can be inferred about the permit’s contaminant requirements?
5. How long must the records be kept?

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