8000 7000 6000 5000 CUF/l 4000 3000 Legionella 2000 1000 0 . 8 8 9 9 9 0 0 0 0 1 1 8 0 0 0 1 1 1 00 00 01 010 01 /20 /2008 /2 /2 /2009 /2 /2 /2 /2 /2011 2 7 7 0 9 1 1 5/ /0 /1 /02 /05/20 /0 /0 /03/20 /0 /1 03 /05/20 /0 1 1 0 2 6 3 07 0 03/09 27 0 06/07 1 1 14/05 0 10/09/2010 0 28/06 4.10 Study hospital 4 - Average results of all 6 outlets sampled monthly from Legionella the 07th May 2008 to the 28th June 2011. Graphs 4.11 and 4.12 show the averages of the copper and silver levels found in samples taken monthly from 6 outlets from the 07th May 2008 to the 28th June 2011. The average copper level was 0.419mg/l (± 0.008mg/l). The average silver level was 0.043mg/l (± 0.003mg/l). 4.11 Study hospital 4 Average copper levels from the 07th May 2008 to the 28th June – 2011 (the red line is the target level for copper - 0.2mg/l). 114
8000 7000 6000 CUF/l 5000 Legionella 4000 3000 2000 1000 0 . 8 /2008 8 9 9 /2009 9 0 0 010 0 0 1 1 /2011 8 0 00 0 0 01 1 1 01 1 00 /20 /2 /2 /2 /2 /2 /2 2 /05/20 /03/20 7 /05/20 5/ 7 0 /02 9 1 1 03 /0 /1 /0 /0 /0 /1 07 /0 1 03/09 27 1 06/07 0 2 14/05 6 10/09/2010 3 28/06 0 0 1 1 0 0 4.10 Study hospital 4 - Average Legionella results of all 6 outlets sampled monthly from the 07th May 2008 to the 28th June 2011. Graphs 4.11 and 4.12 show the averages of the copper and silver levels found in samples taken monthly from 6 outlets from the 07th May 2008 to the 28th June 2011. The average copper level was 0.419mg/l (± 0.008mg/l). The average silver level was 0.043mg/l (± 0.003mg/l). 4.11 Study hospital 4 – Average copper levels from the 07th May 2008 to the 28th June 2011 (the red line is the target level for copper - 0.2mg/l). 114
Birgitta-Bedford-Thesis-2012.docx