"Such surveys can easily give a distorted view," says Pan Chien-cheng, an environmental engineer with China Technical Consultants (CTC). CTC's Industrial Pollution Control Center is under long-term contract to the Industrial Technology Research Institute to advise manufacturing companies on pollution control.
長期接受工業局委託、輔導廠商防治汙染的中國技術服務社汙染防治中心組長潘建成認為：「這樣的調查很容易失真。」