From: Rule design and status quo evaluation on cross-industrial wastewater emissions trading in China’s typical industrial sectors
I
II
III
IV
V
COD
P
0%
74.7%
13.6%
11.7%
70%
10.3%
19.7%
NH3-N
79.8%
11.5%
0.7%
8%
84.5%
10.6%
0.1%
4.8%