Table 2.

Lead concentrations (mg/kg) in sardine and shrimp samples collected from different Egyptian governorates through different seasons.

Sample	Season	Governorate				LSD
		Alexandria	Kafr El-Sheikh	Damietta	Port Said
Sardine	Winter 2019	0.442d ± 0.016	0.611a ± 0.015	0.482c ± 0.017	0.231f ± 0.010	0.034
	Summer 2020	0.157h ± 0.005	0.352e ± 0.017	0.099i ± 0.009	<d.l.
	Winter 2020	0.373e ± 0.013	0.563b ± 0.014	0.253f ± 0.013	0.195g ± 0.007
	Summer 2021	0.104i ± 0.008	0.427d ± 0.012	0.115i ± 0.008	0.156h ± 0.011
Shrimp	Winter 2019	0.333c ± 0.017	0.388b ± 0.017	0.534a ± 0.021	0.170e ± 0.014	0.044
	Summer 2020	0.086f ± 0.007	0.072f ± 0.008	0.236d ± 0.019	<d.l.
	Winter 2020	0.244d ± 0.016	0.385b ± 0.017	0.278d ± 0.013	0.165e ± 0.010
	Summer 2021	<d.l.	0.164e ± 0.011	0.148e ± 0.028	0.074f ± 0.015

Means followed by different subscripts are significantly different at the 5 % level; <dl: below detection limit

LOD and LOQ were 0.0077 and 0.026 mg/l, respectively. Recovery was 97 %.