Please see the following resources regarding the amount of mercury that is emitted in the U.S., annually:
1. TRI Data:
a. 2008 TRI Data - Use the TRI Explorer to find mercury releases for 2008. Total disposal or other releases of mercury and mercury compounds amounted to almost 6.2 million pounds in 2008.
b. 2004 TRI Report (PDF) - Total disposal or other releases of mercury and mercury compounds amounted to 4.8 million pounds in 2004. See page 12 of the report.
2. EPA's Roadmap for Mercury (July 2006) - Describes the Agency's progress to date in addressing mercury issues domestically and internationally, and outlines EPA's major ongoing and planned actions to address risks associated with mercury. See Chapter 1 of the report, "Addressing Mercury Releases."
For more information see www.epa.gov/mercury.