Much of the biosolids material that is the end product of a water treatment plant is ________________.
A) trucked to special biohazard landfills for disposal
B) placed in deep injection wells to keep it out of the water table
C) used as part of the ʺfillʺ to develop wetlands into agriculture or housing areas
D) used as crop fertilizer in the United States
E) loaded onto barges and sent to underdeveloped countries to use as fertilizer

Question

Quizplus · Accepted Answer

Biosolids are commonly used as crop fertilizers in the United States. This practice not only helps to recycle the nutrients in the biosolids, but also reduces the need for chemical fertilizers. Biosolids that meet the strict environmental and health requirements set by the Environmental Protection Agency (EPA) are referred to as "exceptional quality" biosolids and are safe for use as fertilizers on food crops.

Much of the Biosolids Material That Is the End Product