Toxic Units (TU) can be TU a or TU c
Toxic Units (TU) can be TU a or TU c. Assume you have measured the following concentrations of metals in the water below a series of industrial dischargers. The Tu a Is defined as the concentration in the water divided by the LC50. 100 ug/L zinc, 200 ug/L lead, 60 ug/L copper, 30 ug/l silver
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