Table 1:

Source and of type of water samples under investigation

Source	Type	Number of samples
Abu El Matamir-Beheira.	Ground water	7
Kafr El Dawar-Beheira.	Al Mahmoudia River	7
Kafr El Dawar-Beheira.	Tap Water	6
El Ebrahimia-Alexandria.	Tap Water	7
Sidi Bishr-Alexandria.	Tap Water	7
Al Sadat-Monofia.	Ground water	6
El Mohandessin-Giza.	Tap Water	7
Minya	Tap Water	2
Sohag	Tap Water	2