Which treatment processes effectively reduce EPA priority pollutants?

Lime coagulation, mixed media filtration, and activated carbon filtration are effective processes for reducing EPA priority pollutants due to their specific functionalities.

Lime coagulation is a chemical treatment that helps in removing certain heavy metals and impurities by altering the pH and causing contaminants to precipitate out of the water. This process is especially useful for removing metals and other substances that may not readily settle out through simple sedimentation.

Mixed media filtration employs multiple layers of filtration materials, which can include different sizes of sand, gravel, and anthracite. This multi-layer approach allows for efficient removal of various particulate matter, including some organic and inorganic contaminants, thereby enhancing overall water quality.

Activated carbon filtration is particularly effective for removing organic compounds and chlorine residuals through adsorption. The porous structure of activated carbon provides a large surface area for pollutants to adhere to, making it a vital technology in the removal of a wide range of organic chemicals that might be classified as priority pollutants by the EPA.

These combined methods efficiently target and reduce a broad spectrum of contaminants in water, making option B the most comprehensive and effective answer in addressing EPA priority pollutants.