Figure 1: Factors influencing the arrival of contaminants at a treatment plant
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Figure 1: Illustrates points at which attenuation process can reduce the concentration of contaminants entering a drinking water treatment plant. “Introduction of contaminants into the environment” occurs first, “Attenuation process” can then reduce concentration of contaminates in the “Pathway to source water”, Then, “contaminants enter the source water. “Attenuation processes “can also act in the source water, further reducing the concentration of “contaminates” that “reach the water supply abstraction point.”
