Fig. 1. The depuration of Cd, Cr, and Zn in the green mussel Perna viridis and the clam Ruditapes
philippinarum following a pulse feeding on radiolabeled sediment. (d) Sediment without a stable metal spike,
21 21 21 the background concentration was 1.2 mg g for Cd, 33 mg g for Cr, and 222 mg g for Zn. (s) Sediment
21 21 21 amended with 16.7 mg g of Cd, 83.3 mg g of Cr, and 333 mg g of Zn. Mean1S.D. (n55).