Research Article
Survey and Risk Assessment of Contaminants in Soil from a Nitrogenous Fertilizer Plant Located in North China
Table 3
Calculating models of hazard quotient.
| | Exposure pathway | Explanation | Calculation model | Equation number |
| | Oral ingestion | | | (1) | | Dermal contact | 6 ways receptors are exposed to pollutants | | (2) | | Inhalation of soil particles by mouth | | | (3) | | Inhalation of gaseous pollutants from the surface soil in outdoor air | | | (4) | | Inhalation of gaseous pollutants from the underlying soil in outdoor air | | | (5) | | Inhalation of gaseous pollutants from the underlying soil in indoor air | | | (6) |
|
|
