Listening Quiz: Chiến Lược Lấy Mẫu Xác Minh Cho Khu Đất Cũ – Advanced Level

1. What is Daniel and Sarah mainly discussing?
2. How many samples does Sarah think they should take?
3. Why does Daniel prefer grid sampling?
4. Which method does Sarah say is reliable for organic contaminants?
5. What can be inferred about the next step after the lab results come back?

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