An Evaluation of Bera Lake (Malaysia) Sediment Contamination Using Sediment Quality Guidelines

Table 1

Quality control results of ICP-MS using SRMs (4354) freshwater lake sediment standard samples.

Elements (mg/Kg)	Al	Fe	Na	Mn	Mg	Ca	K	Pb	Cu	Zn	As	Ni	Cr
ICP Results	15495 ± 552	23098 ± 67	1906 ± 264	449 ± 13	1980 ± 50	8664 ± 352	1967 ± 82	10 ± 1	2312 ± 40	94 ± 9	139 ± 8	8 ± 2	20 ± 1
SRMs	15000	26000	1800	430	1800	10600	2400	11	2400	88	150	9	22
Recovery %	103.3	88.8	105.9	104.4	110.0	81.7	82.0	90.9	96.3	106.8	92.7	87.0	90.9