write a summary essay that: (1) Explains the issues related to pharmaceuticals (please limit your research to pharmaceuticals and not other substances) in waste water. Where do they come from? How widespread a problem is it? What kinds of things are found? (2) Can/are these chemicals effectively removed from the wastewater during processing? (3) Do they pose a risk to human health? Ecosystems? Do not use a Q&A format, write as an essay. Be sure to cite and reference all materials.
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