If ground water is contaminated with petroleum products,pumping from a level close to the water table may selectively extract much of the pollution.

Question

Quizplus · Accepted Answer

Pumping from a level close to the water table may selectively extract much of the pollution because petroleum products are denser than water and tend to sink towards the bottom of the water table. Therefore, pumping from a level close to the water table can help remove the contaminated groundwater more effectively.

If Ground Water Is Contaminated with Petroleum Products,pumping from a Level