What does secondary water pollution mean in practice?
Sources include, among others: corrosion, biofilm, sediment, leaks, stagnation and improperly serviced terminal equipment.
When does it matter?
A good result at the input does not guarantee the same quality at a distant point of consumption.
Which solutions are related to it?
Samples must be compared at subsequent points, the secondary source must be removed and the hygiene and proper flow of the installation restored.