Table 1.
Exposure Pathway | Exposure Calculations |
---|---|
ingestion of soil | |
inhalation of soil | |
dermal absorption of soil | |
oral intake of crop |
CDI: chronic daily intake dose; CS: Heavy metal content in soil (mg/kg); IR: Soil ingestion rate (mg/day); CF: Conversion factor (kg/mg); EF: Exposure frequency (day/a); ED: Exposure duration (a); BW: Body weight (kg); AT: Average time (day); PM10: Content of inhalable particulates in ambient air (mg/m3); DAIR: Daily air inhalation rate (m3/day); PIAF: Retention fraction of inhaled particulates in body; FSPO: Fraction of soil-borne particulates in air; AF: Skin adherence factor (mg/cm2); SA: Exposed surface area of skin (cm2); ABS: Dermal absorption factor; Ccrop: Heavy metal content in crops (mg/kg); IRcrop: Ingestion rate (g/day).