Abstract
Risk Communication in Action, Case Studies in Fish Advisories (PDF) (102 pp, 8.64 MB) (EPA/625/R-06/013) August 2007
Mercury is a toxic metal. It is a liquid at room temperature, but volatilizes readily under ambient conditions. It is found in three forms: elemental mercury, inorganic mercury compounds, and organic mercury compounds (such as methyl-mercury). The global mercury cycle occurs in four stages: emission to the atmosphere, transformation and transport in the atmosphere, deposition to the earth, and re-emission to the atmosphere. Mercury is emitted to the environment from natural sources and human-made sources. This handbook provides general and detailed information on how to enhance mercury risk communication activities and other outreach efforts. It also offers ways to facilitate communication in areas where information is not available. This handbook includes:
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