Sample

Location

pH

Temperature

Metal concentration

S1

Fostat station

7.45

20.8˚C

Al (0.583 mg/l)

S2

Sludge

7.39

19.2˚C

Al (0.456 mg/l)

S3

Shoubra El-khima station

7.62

21.8˚C

Al (0.363 mg/l)

S4

Iron and steel factory

6.84

20.9˚C

Fe (3.478 mg/l)

S5

Iron and steel factory (cooling area)

6.57

21.8˚C

Fe (0.726 mg/l)

S6

From Shoubra El-khima station

7.95

19.8˚C

Fe (0.477 mg/l)

S7

Nile during the rains

8.35

20.5˚C

Fe (2.908 mg/l)