EPA studies have found that 70% of all U.S. hazardous waste ____ have no liners and could threaten groundwater supplies.
A) sanitary landfills
B) deep-well disposal sites
C) open pit landfills
D) storage ponds
E) storage tanks

Question

Quizplus · Accepted Answer

Storage ponds are hazardous waste sites that do not have any liners and are at risk of contaminating groundwater sources. Sanitary landfills typically have liners to prevent these types of leaks, while deep-well disposal sites and storage tanks are designed for specific types of hazardous waste that may not pose a risk to groundwater. Open-pit landfills may or may not have liners depending on their design, but they are typically used for non-hazardous waste.

EPA Studies Have Found That 70% of All U