Building A-(Chlorine Dioxide)

Months

Total chlorine

(mean ± SD mg/l)

Temperature

(mean ± SD ˚C)

Mean pH ± SD

Iron Ions

(Mean ± SD µG/L)

Zinc Ions

(Mean ± SD µG/L)

Manganese Ions

(Mean ± SD µG/L)

THMs

(Mean ± SD µG/L)

April 2016

0

41.5 ± 2.1

6.5 ± 0.01

NP

NP

NP

NP

May 2016

0

41.5 ± 2

6.5 ± 0.01

NP

NP

NP

NP

June 2016

0.3 ± 0.04

50.6 ± 1.9

6.5 ± 0.01

8.9 ± 4.9

54.7 ± 10.3

1.5 ± 0.3

2.1 ± 0.2

July 2016

0.26 ± 0.05

49.9 ± 2.3

7 ± 0.03

NP

NP

NP

NP

August 2016

0.34 ± 0.11

50.6 ± 2.4

6.5 ± 0.02

NP

NP

NP

NP

September 2016

0.37 ± 0.10

50.7 ± 2

6.5 ± 0.02

NP

NP

NP

NP

October 2016

0.42 ± 0.08

50.6 ± 2,3

6.5 ± 0.02

NP

NP

NP

NP

November 2016

0.30 ± 0.06

43.8 ± 3,1

6.4 ± 0.03

NP

NP

NP

NP

December 2016

0.32 ± 0.05

48.8 ± 4,7

6.7 ± 0.04

22.2 ± 5.2

86.2 ± 9.5

1.5 ± 0.4

9.7 ± 2

January 2017

0.31 ± 0.06

50.1 ± 3.5

6.7 ± 0.02

22.8 ± 7.4

85.7 ± 9.3

1.7 ± 0.3

13.2 ± 3.4

May 2017

0.36 ± 0.09

50.9 ± .2.9

6.8 ± 0.03

22.9 ± 7.5

88.6 ± 9.8

1.9 ± 0.5

13.8 ± 5.1

September 2017

0.41 ± 0.06

52.4 ± 3.2

6.5 ± 0.01

22.4 ± 8.8

86.1 ± 9.2

1.7 ± 0.5

13.8 ± 5

January 2018

0.38 ± 0.08

53 ± 3.2

6.5 ± 0.03

23.4 ± 8.3

86.1 ± 9.2

1.7 ± 0.5

14.8 ± 5.2

May 2018

0.39 ± 0.05

52.2 ± 2.8

6.4 ± 0.01

24.7 ± 8.5

93 ± 11.8

1.7 ± 0.1

14.8 ± 4.7