Survey and Risk Assessment of Contaminants in Soil from a Nitrogenous Fertilizer Plant Located in North China

Table 5

Calculation models of risk control values of soil (RCVS).

Exposure pathway	Explanation	Calculation model	Equation number
Oral ingestion	Formulas for calculating the amount of contaminants ingested orally		(7)
Dermal contact	Formula for calculating the amount of contaminants ingested by skin contact		(8)
Inhalation of soil particles	Inhaled soil particle pollutant quantity calculation formula		(9)