182
References:
1 Bacteria: More Good than Bad and Ugly by Georgia Purdom, Ph.D. June 16, 2006
2 National Geographic -
Legionella
Outbreak 2008.
3 Minimizing the risk or
Legionella
disease - CISBE 2002.
4 New Proposed ASHRAE Standard
Legionella
(SPC188) October 2010