Assessment of Physical-Chemical Characteristics of Water and Sediments from a Brazilian Tropical Estuary: Status and Environmental Implications

Table 5

Pseudototal concentrations of Cd, Cu, Pb, and Zn (mg kg⁻¹) in some sediment samples collected from the Jacuípe River’s estuary, 𝑛=5.

Date	Point	Cd	Cu	Pb	Zn
09/2007	1	8.8±0.7	42.5±0.9	10.6±0.3	7.5±0.5
	2	14.9±1.1	48,7±1,3	22.3±1.7	4.4±0.1
	3	13.4±0.9	33.3±1.6	37.4±1.1	30.3±1.1
	4	15.7±0.8	27.3±0.5	30.2±0.6	20.4±0.6
	5	19.4±0.3	22.4±0.8	27.9±1.4	18.8±0.9
03/2008	1	12.7±0.9	66.3±2.1	36.2±1.3	6.3±0.2
	2	10.9±0.8	71.9±2.7	28.3±0.8	8.7±0.7
	3	11.1±0.7	84.0±3.3	59.9±1.7	34.4±1.2
	4	14.5±0.9	39.5±2.0	38.5±1.2	10.4±1.0
	5	12.6±0.8	45.3±2.4	48.3±1.0	12.7±0.6
06/2008	1	5.7±0.1	86.1±0.9	19.4±1.6	8.8±0.1
	2	11.4±0.7	78.1±1.7	28.1±1.1	6.1±0.4
	3	13.3±0.9	77.2±0.8	68.2±2.4	7.9±0.7
	4	14.7±0.2	59.3±1.2	82.4±0.9	35.7±1.7
	5	15.2±1.0	42.9±0.7	43.0±1.5	22.3±1.0
07/2008	1	8.3±0.4	47.0±1.9	14.3±0.4	15.2±0.6
	2	11.3±0.9	64.6±3.6	27.7±1.8	11.3±0.9
	3	16.7±0.2	41.1±5.2	30.4±1.8	16.6±0.4
	4	12.8±1.0	50.9±3.2	44.8±1.5	12.6±0.5
	5	13.9±1.0	54.5±2.2	52.3±1.1	22.8±1.3