Spatial Distribution and Contamination Assessment of Heavy Metals in Surface Sediments of the Caofeidian Adjacent Sea after the Land Reclamation, Bohai Bay

Table 1

The concentrations of heavy metals and physiochemical properties in the sediments.

	Unit	Max	Min	Average
Cd	mg/kg	0.65	0.20	0.34
Cr	mg/kg	115.70	27.16	85.59
Cu	mg/kg	39.00	11.14	28.82
Ni	mg/kg	65.90	17.37	41.35
Pb	mg/kg	24.06	15.08	21.02
Zn	mg/kg	139.56	41.64	88.64
Fe	mg/g	50.02	20.72	37.09
Mn	mg/kg	868.15	302.49	571.33
Clay	%	17.91	7.67	13.05
Slit	%	80.52	37.71	63.42
Sand	%	54.62	3.29	23.53
TOC	%	0.95	0.26	0.72