Question

If the MDD from the target population is greater than the RfD, the exposure is considered relatively _________

(a) Safe

(b) Permissible

(c) Unsafe

(d) Void

The question was asked in class test.

This question is from Risk Characterization in section Risk Assessment of Hazardous Waste Management

Answer 1

The correct choice is (c) Unsafe

Best explanation: If MDD is higher than the RfD and if is approaching within 100 fold of the NOEL according to the toxic studies, then the exposure is considered unsafe.