1. According to the assessment object, the environmental impact assessment can be divided into:
(1) Planning environmental impact assessment;
(2) Environmental impact assessment of construction projects.
2. According to environmental factors, environmental impact assessment can be divided into:
(1) Atmospheric environmental impact assessment;
(2) Surface water environmental impact assessment;
(3) Acoustic environmental impact assessment;
(4) Eco-environmental impact assessment;
(5) Environmental impact assessment of solid waste.
3. According to the time sequence, the environmental impact assessment is generally divided into:
(1) Environmental quality status assessment;
(2) Environmental impact prediction and assessment;
(3) Post environmental impact assessment.
Post environmental impact assessment is a systematic investigation and assessment of the actual impact on the environment after the implementation of planning or development and construction activities. Check the degree and effect of implementation of measures to reduce environmental impact, verify the correctness and reliability of environmental impact assessment conclusions, judge the effectiveness of environmental protection measures proposed in the assessment, analyze and study some impacts that are not recognized in the assessment, and take remedial measures to eliminate adverse impacts. Lanzhou Environmental Impact Assessment Report compose