Study on Index System for Graded and Classified Management of Enterprises Importing Scrap Metal

Studying the status quo of the management and technology of the enterprises processing and utilizing the imported scrap metals, this paper identifies the environmental risks of such enterprises and constructs a index system for graded and classified management of enterprises importing scrap metals, which includes seven criterion layers, namely raw material hazard index (S1), product index (S2), site index (S3), production process and equipment index (S4), pollution prevention and control index (S5), environmental management index (S6) and corporate compliance index (S7), and 22 indexes. The paper also calculates the weight of each index with analytic hierarchy process.