Annex B - Additional Research Data

Tables
Raw Values

Colorimeter ( Absorbance )
Compared to average PUB treated tap water
Compared to average tap water
(1) Pond water - before
0.000
0.000
0.000
(1) Pond water - after
0.000
0.000
0.000
(2) Pond water - before
0.000
0.000
0.000
(2) Pond water - after
0.000
0.000
0.000
Average of before (Pond)
0.000
0.000
0.000
Average of after (Pond)
0.000
0.000
0.000
(1) Rain water - before
0.000
0.000
0.000
(1) Rain water - after
0.000
0.000
0.000
(2) Rain water - before
0.000
0.000
0.000
(2) Rain water - after
0.000
0.000
0.000
Average of before (Rain)
0.000
0.000
0.000
Average of after (Rain)
0.000
0.000
0.000
Tap water - lab
0.000
0.000
0.000
Tap water - after
0.000
0.000
0.000
Average of water (tap)
0.000
0.000
0.000


Types of water
Turbidity ( NTU ) Value Tested
Compared to average PUB treated tap water
Compare to average of tap water
(1) Pond water - before
6.7 NTU
0.19 NTU
0.45 NTU
(1) Pond water - after
2.2 NTU
0.19 NTU
0.45 NTU
(2) Pond water - before
6.5 NTU
0.19 NTU
0.45 NTU
(2) Pond water - after
0.2 NTU
0.19 NTU
0.45 NTU
Average of before (Pond)
6.2 NTU
0.19 NTU
0.45 NTU
Average of after (Pond)
1.2 NTU
0.19 NTU
0.45 NTU
(1) Rain water - before
3.6 NTU
0.19 NTU
0.45 NTU
(1) Rain water - after
2.7 NTU
0.19 NTU
0.45 NTU
(2) Rain water - before
2.3 NTU
0.19 NTU
0.45 NTU
(2) Rain water - after
2.0 NTU
0.19 NTU
0.45 NTU
Average of before (Rain)
5.9 NTU
0.19 NTU
0.45 NTU
Average of after (Rain)
2.35 NTU
0.19 NTU
0.45 NTU
Tap water - lab
0.5 NTU
0.19 NTU
0.45 NTU
Tap water - after
0.4 NTU
0.19 NTU
0.45 NTU
Average of water (tap)
0.45 NTU
0.19 NTU
0.45 NTU

pH Value ( pH  )
Compared to average PUB treated tap water
Compare to average of tap water
(1) Pond water - before
9.12
8.1
6.73
(1) Pond water - after
8.40
8.1
6.73
(2) Pond water - before
7.76
8.1
6.73
(2) Pond water - after
7.65
8.1
6.73
Average of before (Pond)
8.44
8.1
6.73
Average of after (Pond)
8.025
8.1
6.73
(1) Rain water - before
8.26
8.1
6.73
(1) Rain water - after
8.07
8.1
6.73
(2) Rain water - before
8.54
8.1
6.73
(2) Rain water - after
7.80
8.1
6.73
Average of before (Rain)
8.40
8.1
6.73
Average of after (Rain)
7.935
8.1
6.73
Tap water - lab
6.58
8.1
6.73
Tap water - after
6.88
8.1
6.73
Average of water (tap)
6.73
8.1
6.73

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