5.17 SOIL DERMAL CONTACT

    Soil dermal contact is considered for the atmospheric transport pathway and the measured soil concentration pathway. Default parameter values for each of these pathways are given in Table 5.17.

TABLE 5.17 Soil Dermal Contact Parameter Default Values

 
         
Default Value
Parameter
  
Definition
  
Units
  
Individual
  
Population
Both routes:
Fdd   time fraction   --  
1.0
  
1.0
FEdd   soil contact frequency   event/d  
1.0
  
1.0
AD   adherence factor   mg/cm2  
1.0
  
1.0
Add   skin contact area   cm2  
5,800
  
5,800
 
Atmospheric deposition route:
 
tdd   soil layer thickness   m  
0.04
  
0.04
rdd   soil density   g/cm3  
1.5
  
1.5