Receptor type

Child RME

Adult RME

Child Typical

Adult Typical

Life Time (years)

70

70

70

70

Body weight

15

70

15

70

Exp. Frequency for soil (events / yrs)

350

350

130

40

Exp. Duration for Soil(yr)

6

9

6

9

Ingestion rate for soil (mg/Kg)

200

100

90

40

Total Skin Surface area (cm2)

7280

23000

6800

18400

Fraction skin exposed  to soil

0.55

0.25

0.13

0.11

Skin adherence factor(mg/cm2)

0.2

0.2

0.2

0.2
*Based on default values in RISC 4.02 software
(RME=Reasonable Maximum Exposure; Typical=CTE=Central Tendency Exposure)
Table 4: Receptor specific exposure data*.