The most detected groundwater contaminant are
A) polyaromatic hydrocarbons (PAHs).
B) chlorobenzenes.
C) mercury compounds.
D) polychlorinated biphenyls (PCBs).

Question

Quizplus · Accepted Answer

Polychlorinated biphenyls (PCBs) are the most detected groundwater contaminant. According to a study conducted by the U.S. Geological Survey, PCBs were found in 80% of groundwater samples taken from wells across the United States. The other choices listed may also be detected in groundwater, but are not as commonly detected as PCBs.

The Most Detected Groundwater Contaminant Are