NOTE: Exempts button cell batteries until June 30, 2011 ( silver oxide button cells can be sold until January 1, 2012.) Also exempts fluorescent lamps and specialized lamps for entertainment lighting such as HID lamps, although fluorescents must reach 100 mg Hg content threshold by Jan 1, 2010 or manufacturer must apply for exemption. Ban also contains a five year exemption provision for covered products