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Independant Performance Data undertaken at Dunedin Hospital
Date of Test |
Iron
mg/L |
Conductivity
mS/m |
Copper
Mg/L |
Saturation
Index |
pH |
TDS
mg/L |
Legionella |
HPC
(Pourplate) |
Control Range Values |
0 – 5 |
0 - 900 |
0 – 5 |
> 0 <3 |
7 – 11.5 |
<1000 |
<10 |
<100,000 |
Oct 03 |
0.17 |
89 |
0.10 |
1.94 |
8.84 |
710 |
<1 |
1,273 |
Nov 03 |
0.10 |
71 |
0.13 |
1.80 |
8.80 |
360 |
<1 |
1,561 |
Dec 03 |
0.06 |
62 |
0.10 |
1.77 |
8.77 |
480 |
<50 |
1,463 |
Jan 04 |
0.08 |
78 |
0.10 |
2.04 |
8.84 |
650 |
<10 |
10,010 |
Feb 04 |
<0.03 |
74 |
0.11 |
2.03 |
8.83 |
690 |
<10 |
11,730 |
Mar 04 |
0.03 |
79 |
0.15 |
2.04 |
8.84 |
730 |
<10 |
12,054 |
Apr 04 |
<0.34 |
84 |
0.37 |
1.99 |
8.79 |
790 |
<1 |
4,100 |
May 04 |
<0.10 |
90 |
0.29 |
2.06 |
8.86 |
770 |
<1 |
3,800 |
Jun 04 |
<0.30 |
80 |
0.24 |
1.78 |
8.78 |
59 |
<1 |
1,400 |
Jul 04 |
<0.03 |
45 |
0.09 |
1.83 |
8.35 |
320 |
<10 |
3,900 |
Aug 04 |
<0.04 |
61 |
0.13 |
1.98 |
8.55 |
490 |
<10 |
6,900 |
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These results confirm the condenser water system is under good stable control.
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