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.
World mine production of lead by year in 100,000 metric tons. The U.S. is third in the world production of lead behind China and Australia. Lead production in the U.S. has only minimally decreased over the decades in spite of the known harmful effects of lead.
