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Table 5 The proportions of contaminated factories in SDGs map levels

From: Developing decision model and sustainable mapping to screen the efficiency of brownfield redevelopment based on socioeconomic open data

Level 1 2 3 4 5
Score 0.03–0.49 0.50–0.72 0.73–1.18 1.19–2.08 2.09–3.85
Decontaminated sites 0.8% 1.9% 6.9% 19.8% 8.5%
Groundwater control zone 0.0% 0.0% 0.3% 1.1 2.2%
Controlled sites 0.0% 1.4% 8.5% 22.0% 8.2%
Remedial sites 0.0% 0.5% 3.3% 10.2% 4.4%