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Lead is found in glass components of CRTs and in electronics components (e.g., printed wiring
boards and their components) of both CRTs and LCDs. It is also a top priority toxic material at
EPA and the subject of electronics industry efforts to reduce or eliminate its future use.
Mercury is contained within the fluorescent tubes that provide the source of light in the LCD.
Mercury is also emitted from some fuel combustion processes, such as coal-fired power plants,
which contribute to the life-cycle impacts of both CRTs and LCDs. Because of mercury's
toxicity to both humans and the environment(.....)