Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A schematic of purification processes for drinking water. Chlorination generates chlorine disinfection by-products (DBPs) but oxidizes lead to a slightly insoluble Pb4+ state. Chloramine causes increased release of lead from plumbing, it is a weaker oxidant that does not oxidize Pb2+ to Pb4+
