Question

Which of the following can be considered as source reduction?

(a) Material substitution

(b) Treating offsite

(c) Analysis

(d) Landfill disposal

I had been asked this question in an interview for internship.

My question is taken from Waste Minimization in portion Principles of Waste Minimization of Hazardous Waste Management

Answer 1

Correct choice is (a) Material substitution

For explanation I would say: Raw material substitution if the waste being produced is more is effective source reduction. It can be achieved by life cycle analysis.