Table 0-2. Heavy metal Concentrations (ppm) in Modiolus modiolus from Isles of Shoals 

 (Northern New England). 



Date Location Cd Cr Cu Hg Pb Zn Fe 



8-21-77 Isles of Shoals x 8.88 1.85 32.27 0.262 14.89 214 98 



S.D. 3.60 0.74 8.68 0.059 2.53 46 7 



5-19-78 x 12.64 2.63 53.93 0.325 19.72 544 200 



S.D. 3.20 0.13 12.85 0.084 6.34 159 48 



8-5-78 x 30.63 1.94 57.33 0.405 19.22 461 114 



S.D. 10.37 0.04 6.27 0.007 1.13 104 2 



