Quality control

Year 95

year 94

year 93

year 92

Explain

5855

5669

5139

3986

Microbiological
number sampling

5302

5129

5031

4819

Chemical
number sampling

84843

79744

75131

70554

Number of test
residual chlorine

84797

79597

75075

70497

Number of eligible
residual chlorine

3

0

0

0

Number of
hydro chlorine

43

39

40

37

Number of
gas chlorine

1

2

1

2

Number of
handle chlorine

All right reserved for Shiraz water and waste water Co.