i GIANT CLAM, VISCERAL MASS SNAIL (PRESHOT) DREDGED SAND WRASSE FISH LIVER SURGEONFISH MUSCLE J 2 ! on [jt pd Oo ACTIVITY, C/M ) B= C= D= E= F = Jj} tf A= ALGA, CAULERPA ~BACKGROUND - ------ ---- --- 2 So SSS SSS SS ee ! I ! | 1 t ! ! 0 200 400 600 800 1000 1200 ADDED Figure 4. Al ABSORBER, MG/CM2 Mass Absorption curves.