What does lead in water mean in practice?
The concentration usually increases while the water is standing still and depends on pH, alkalinity, temperature and contact time with the installation.
When does it matter?
Lead is a toxic pollutant and its presence cannot be recognized organoleptically.
Which solutions are related to it?
The first and rinsed sample should be tested, the lead source should be replaced, and certified filtration should be used only as a secondary measure.