Research Article
Survey and Risk Assessment of Contaminants in Soil from a Nitrogenous Fertilizer Plant Located in North China
Table 8
HQs of pollutants in different layers.
| | Contaminants | Layer | HQ | Total | | HQois | HQdcs | HQpis | HQiov1 | HQiov2 | HQiiv1 |
| | Cu | 1 | 3.29E + 00 | | | | | | 3.29 | | 2 | 3.08E + 00 | | | | | | 3.08E + 00 | | 3 | 2.52E + 00 | | | | | | 2.52E + 00 |
| | Fluoride | 1 | 3.83E − 01 | | 1.83E − 02 | | | | 4.04E − 01 |
| | NH3-N | 1 | | | 2.10E − 02 | 2.40E + 00 | 1.18E − 06 | 1.63E − 08 | 2.42E + 00 | | 2 | | | 1.76E − 02 | 2.01E + 00 | 9.92E − 07 | 1.37E − 08 | 2.02E + 00 | | 3 | | | 1.48E − 02 | 1.70E + 00 | 8.37E − 07 | 1.16E − 08 | 1.72E + 00 | | 4 | | | 2.01E − 02 | 2.30E + 00 | 1.13E − 06 | 1.57E − 08 | 2.32E + 00 | | 5 | | | 2.01E − 02 | 2.32E + 00 | 1.13E − 06 | 1.57E − 08 | 2.34E + 00 | | 6 | | | 2.00E − 03 | 3.21E − 01 | 1.23E − 06 | 2.57E − 08 | 3.23E − 01 |
| | TPH | 1 | 8.12E + 00 | 1.16E + 01 | | | | | 1.97E + 01 | | 2 | 1.06E + 00 | 1.51E + 00 | | | | | 2.57E + 00 |
| | Total | 1.85E + 01 | 1.31E + 01 | 1.14E − 01 | 1.11E + 01 | 6.5E − 06 | 9.87E − 08 | 4.27E + 01 | | Total (%) | 43.3 | 30.6 | 0.2 | 25.9 | 0 | 0 | 100 |
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HQ, hazard quotient; NH3-N, ammonia-nitrogen; TPH, total petroleum hydrocarbons.
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