الفهرس 
Material and methodsOnly 14 pages are availabe for public view
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Abstract
Water samples were collected from (Benha, shubra, abou zaabal and mostord) these places represent the most important industrial areas in kalubia governorate and evaluation of their hygienic condition.
Physical examinations:-
1- the apparent colour.
2- Tolal reside.
3- Hardness ranged from 96 to 186mg/l as ca.
4- Organic matter ranged from 3.2 to 23.25mg/l.
5- Ph.
Chemical examination:
A- toxic aminos:-
1- nitrites.
2- Nitrate.
3- Sulphates concentration varied from 25.69 to 198.79mg/l .
4- Phosphate of examined samples ranged from 0.062 to 2.471/l.
B- Toxic cations:
1- ammonia concentration in examined samples ranged from 0.002 to 2.576 mg/l and 40 samples (50%) exceed the limit (0.5 mg/l) for indication of water pollution.
2- cadmium:
Showed arrange varied from 0.5 to 44.6 ug/l and 65 samples (81.25%) exceeded the permissible limit (5ug/l)
3- lead concentration ranged from 5.7 to 38.38 ug/l and non of them exceeded the limit of 1971(50ug/l.)