Sewage Is Helping Cities Flush Out the Opioid Crisis

Sewage Is Helping Cities Flush Out the Opioid Crisis

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TEMPE, Ariz.—The two-liter bottle of sewage sitting in a lab at Arizona State University is the yellow-brown color of smog. It was shipped overnight from one of a half dozen cities that have recently asked A.S.U. to begin studying their waste for chemical signatures that may help save lives. Such slurries of poop and urine…