The revision of the development zone planning needs to carry out the environmental assessment work at the same time. On the one hand, it aims to investigate the solution of the original environmental problems, review the implementation of various environmental protection measures in the development process of the park, and put forward reasonable opinions and suggestions for the solution of environmental problems. On the other hand, it aims to put forward environmental protection suggestions for the new round of planning revision of the park, and indicate the environmental protection development direction of the development zone with environmental protection requirements. For the EIA of the development zone planning revision, Lanzhou Environmental Impact Assessment Report The preparation company believes that the following aspects should be focused:

(1) Evaluate the contents of planning revision;

(2) Carry out retrospective environmental impact assessment;

(3) Evaluate the implementation of the original EIA reply;

(4) Investigation on environmental protection objectives of the park;

(5) Extensiveness and representativeness of public participation;

(6) Operation status of WWTP and reliability of up to standard discharge;

(7) Focus on drinking water source protection and risk assessment.