DATA TO USE FOR FIGURE:Concentration (ug/g) of a PCB congener for orca whales.Males at 5, 6, 7, 8, 9, 10 years old have the following concentrations (1.5, 3.0, 4.5, 7.0, 9.0 , 12.0), respectively. Concentrations for females for the same respective ages are (1.5, 3.0, 0.5, 1.5, 2.0, 0.5).
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