Las Vegas Sun

February 13, 2012

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Treated water flows out of the plant. For a community urinalysis study, drops of untreated wastewater were collected incrementally over 24 hours on March 20 and tested for the presence of drugs.

Leila Navidi

Treated water flows out of the plant. For a community urinalysis study, drops of untreated wastewater were collected incrementally over 24 hours on March 20 and tested for the presence of drugs.

Photo Staff

Vegas Photos