NA 031
DIN Standards Committee Firefighting and Fire Protection
Technical rule
[CURRENT]
DVGW W 551-5
DVGW W 551-5
Hygiene in Potable Water Installations - Part 5: Risk Assessment of Stagnant Water in certain Firefighting and Fire Protection Installations
Title (German)
Hygiene in der Trinkwasser-Installation - Teil 5: Risikobewertung des stagnierenden Wassers in bestimmten Feuerlösch- und Brandschutzanlagen