A young Asian woman in silver high heels and short skirt stands on a sidewalk.
A woman is standing on the sidewalk.
For the Menidia beryllina test method, the effluent sample was an industrial wastewater spiked with CuSO4, the receiving water sample was a natural seawater spiked with CuSO4, and the reference toxicant sample was bioassay-grade FORTY FATHOMSa synthetic seawater spiked with CuSO4.