Demand for CFLs has increased over the past several years, leading some consumers to ask questions about mercury levels in CFLs. While there is a small amount of mercury encased in the base of a CFL, using the bulbs poses no harm to consumers. In fact, CFLs do not emit mercury when they are intact, in use, properly stored,
handled and/or installed. The truth is CFLs are safe to use and account for fewer mercury emissions than traditional incandescent bulbs.