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