Question

Why does site history have to be considered for hazard identification?

(a) To estimate the risk

(b) To calculate carcinogenic exposure

(c) To know the probable source and causes of contamination on site

(d) For determination of remedial actions

The question was posed to me in a national level competition.

Question is from Risk Assessment topic in section Risk Assessment of Hazardous Waste Management

Answer 1

The correct option is (c) To know the probable source and causes of contamination on site

Easy explanation: Site history provides precise information about the activities that had been carried on the area. Most of the instance contamination is due to past activities on site.