Parameters

Raw water

Sludge from

File (1)

Sludge from

File (2)

Ca (µg/l)

23

20

24

Cd (µg/l)

20

10

16

Zn (µg/l)

24

0.005

-

Pb (µg/l)

<5 µg/l

-

-

K (mg/l)

0.36

0.53

1.70

Mg (mg/l)

16.32

16.52

16.60

Mn (mg/l)

-

1.101

0.04

Na (mg/l)

0.58

0.65

0.67

B. coliforms

(UFC/100ml)

75

0

0

E. coli

(UFC/100ml)

23

0

0

Ent. Intestines

(UFC/100ml)

23

0

0