Table 3

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Tissues	G	INT	K	L	M	OV	SK	T	EOS, 1993	WHO, 2008
Al	63.87 ± 12.36^*#B	63.59 ± 3.80^*#B	92.54 ± 7.73^*#D	42.29 ± 5.77^#A	66.42 ± 3.26^*#B	73.07 ± 4.27^*#C	69.12 ± 4.10^*#BC	70.84 ± 5.46^*#C	50.0	30.0
	K>OV>T>SK>M>G>INT>L
Cr	1.14 ± 0.09^A	1.75 ± 0.07^D	1.55 ± 0.08^C	1.31 ± 0.15^B	1.98 ± 0.10^E	1.74 ± 0.07^D	1.86 ± 0.09^DE	1.72 ± 0.09^D	20.0	10.0
	M>SK>INT>OV>T>K>L>^G
Mn	2.53 ± 0.29^CD	2.71 ± 0.38^D	11.37 ± 1.99^*#F	3.67 ± 0.75^E	1.47 ± 0.07^A	2.26 ± 0.12^C	1.62 ± 0.09^B	2.28 ± 0.16^C	10.0	10.0
	K>L>INT>G>T>OV>SK>M
Fe	56.48 ± 4.48^*#C	117.50 ± 19.50^*#D	154.33 ± 27.10^*#	158.17 ± 38.59^*#E	38.53 ± 1.52^*#A	144.83 ± 8.57^*#E	46.91 ± 2.35^*#B	44.79 ± 2.76^*#B	30.0	30.0
	L>K>OV>INT>G>SK>T>M
Co	0.05 ± 0.007^C	0.15 ± 0.02^E	0.19 ± 0.03^E	0.25 ± 0.04^F	0.03 ± 0.001^A	0.25 ± 0.02^F	0.04 ± 0.002^B	0.10 ± 0.007^D	10.0	1.0
	L=OV>K>INT>T>G>SK>M
Ni	0.72 ± 0.05^A	1.14 ± 0.10^C	1.33 ± 0.17^CD	1.41 ± 0.19^D	0.91 ± 0.03^B	0.90 ± 0.04^B	0.89 ± 0.04^B	0.85 ± 0.04^B	10.0	2.0
	L>K>INT>M>OV>SK>T>^G
Cu	0.57 ± 0.13^D	0.95 ± 0.16^F	0.85 ± 0.18^EF	1.49 ± 0.36^G	0.30 ± 0.01^A	0.38 ± 0.01^C	0.33 ± 0.01^B	0.75 ± 0.19^E	20.0	20.0
	L>INT>K>T>G>OV>SK>M
Zn	5.43 ± 0.85^B	9.58 ± 1.05^E	11.17 ± 2.04^F	16.41 ± 1.83^G	4.38 ± 0.17^A	6.71 ± 0.28^C	14.55 ± 0.98^G	8.06 ± 0.91^D	40.0	40.0
	L>SK>K>INT>T>OV>G>M
Se	4.92 ± 1.42^D	14.80 ± 4.86^E	23.38 ± 8.29^F	47.59 ± 14.05^G	1.11 ± 0.07^A	1.52 ± 0.07^B	1.53 ± 0.09^B	2.50 ± 0.62^C	50.0	50.0
	L>k>INT>G>T>SK>OV>M
Cd	0.03 ± 0.008^C	0.09 ± 0.03^#D	0.17 ± 0.05^#E	0.20 ± 0.05^#E	0.01 ± 0.001^A	0.01 ± 0.001^A	0.02 ± 0.001^B	0.03 ± 0.008^C	0.50	0.05
	L>K>INT>G>T>SK>OV>M
Pb	0.73 ± 0.08^#A	1.67 ± 0.12^#D	1.42 ± 0.21^#C	1.24 ± 0.14^#B	1.89 ± 0.18^#EF	1.50 ± 0.17^#CD	1.44 ± 0.18^#C	1.73 ± 0.18^#E	2.0	0.05
	M>T>INT>OV>SK>K>L>^G

(*) Above the permissible limits of EOS (1993) (#) Above the permissible limits of WHO (2008)
Different letters indicate significance at 0.05.

Table 3: Metals concentration (ppm) in different Oreochromis niloticus organs (G: Gills, INT: Intestine, K: Kidney, L: Liver, M: Muscle, OV: Ovary, Sk: Skin and T: Testis) that collected from El-Shikh pond at Elkharja, New Valley; presented data are (means ± SE) of measurements undertaken during April-July 2014.