Example – methylene chloride
Dose = 2.3 × 10
-3
mg
MC
/kg/day
RfD = 6 × 10
-2
mg/kg/day
→ Dose is
less than
RfD so
no
noncancer risk
SF = 7.5 × 10
-3
per (mg/kg/day)
Risk = 1.7 × 10
-5