Cd xIO 
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(yfop/6>j) xn|^96DjaAV 
41 
Figure 2. Deer Island Effluent Mass Discharges of Cu, Cd, Pb, Ni and Zn, kg/day, for 
the Years 1972 Through 1983. Discharge Rates are Arithmetic Mean of 
Monthly Concentrations in Effluent Times Effluent Flow. 
