The purpose of Pollution Probe’s Mercury Primer is to provide an overview of the presence and effects of mercury in the environment and its impacts on human health. The primer iden- tifies where mercury is being used and released, the risks asso- ciated with exposure to mercury, and ways to help prevent mercury pollution. The primer also describes what governments, businesses and individuals are doing to eliminate the use of mercury and prevent its release to the environment. Pollution Probe has done extensive work on mercury in the envi- ronment for nearly a decade. It is an important issue that requires ongoing attention by industry, governments and consumers. This primer is.