Percent of Zero Absorber Activity BETA ABSORPTION CURVES Legend: THerbivorous Copepods FSoagitta 8 Fish Lorva “QO 400 800 1200 2000 Absorher Thickness, mg/er® of Aluminum Figure 1 Beta-absorption curve. of the setal feeding type. The third biological sample consisting of ravacious copepods produced a specirum indistinguishable from background. ‘ Radiochemical Analyses. Table 2 lists the results of the radiochemical analyses of carried out at NRDL (Reference 2), and displays certain individual activities in terms il 22. SESRT IRES EyERLEFATALAETS GAPE,TETSP