| 土壤pH | 土壤环境质量标准/(mg·kg−1) | ||||
| 镉 | 汞 | 砷 | 铅 | 铬 | |
| 5.5 < pH ≤ 6.5 | 2 | 2.5 | 150 | 500 | 850 |
| 6.5 < pH ≤ 7.5 | 3 | 4 | 120 | 700 | 1000 |
| pH > 7.5 | 4 | 6 | 100 | 1000 | 1300 |