| 化学需氧量 | 氨氮 | 总氮 | 总磷 | 石油 | 挥发酚 | 铅 | 汞 | 镉 | 六价铬 | 总铬 | 砷化 |
化学需氧量 | 1 | 0.97 | 0.95 | 0.96 | 0.48 | 0.03 | 0 | 0.41 | 0.3 | 0.62 | 0.64 | 0.21 |
氨氮 | 0.97 | 1 | 0.99 | 0.97 | 0.52 | 0.04 | 0 | 0.33 | 0.2 | 0.68 | 0.72 | 0.09 |
总氮 | 0.95 | 0.99 | 1 | 0.97 | 0.52 | 0.03 | 0 | 0.3 | 0.2 | 0.7 | 0.77 | 0.05 |
总磷 | 0.96 | 0.97 | 0.97 | 1 | 0.49 | 0.05 | 0 | 0.29 | 0.3 | 0.7 | 0.77 | 0.1 |
石油 | 0.48 | 0.52 | 0.52 | 0.49 | 1 | 0.28 | 0 | 0.22 | 0.1 | 0.4 | 0.38 | 0.12 |
挥发酚 | 0.03 | 0.04 | 0.03 | 0.05 | 0.28 | 1 | −0 | −0 | 0 | −0.07 | −0 | −0.02 |
铅 | 0.38 | 0.32 | 0.3 | 0.32 | 0.1 | −0.02 | 1 | 0.7 | 1 | 0.1 | 0.06 | 0.65 |
汞 | 0.41 | 0.33 | 0.3 | 0.29 | 0.22 | −0.04 | 1 | 1 | 0.7 | 0.11 | 0.01 | 0.65 |
镉 | 0.28 | 0.24 | 0.23 | 0.25 | 0.08 | 0.01 | 1 | 0.66 | 1 | 0.06 | 0.02 | 0.55 |
六价铬 | 0.62 | 0.68 | 0.7 | 0.7 | 0.4 | −0.07 | 0 | 0.11 | 0.1 | 1 | 0.86 | −0.04 |
总铬 | 0.64 | 0.72 | 0.77 | 0.77 | 0.38 | −0.02 | 0 | 0.01 | 0 | 0.86 | 1 | −0.13 |
砷化 | 0.21 | 0.09 | 0.05 | 0.1 | 0.12 | −0.02 | 1 | 0.65 | 0.6 | −0.04 | −0.1 | 1 |