Table 2.

Total and bioavailable metal concentrations (in parentheses) from four sites in the Greater Sudbury Region (Concentration in mg/kg)

Sites	Copper (Cu)	Nickel (Ni)	Zinc (Zn)
Metal‐contaminated
Wahnapitae Dam	890.00a (19.60)	2030.00b (12.90)	109.00a (2.19)
Laurentian	2020.00a (14.20)	3010.00a (10.40)	147.00a (1.46)
Reference
Onaping Falls (Control)	110.00b (0.00)	165.00c (0.00)	85.80a (0.19)
Capreol (Control)	188.00b (2.09)	259.00c (2.47)	96.80a (3.37)

Means values with the same letter within each dataset (Cu, Ni, and Zn) are not significantly different based on Tukey's HSD multiple comparison test (P ≥ 0.05; n = 20).