<prompt> Translate the following text to EnglishEPA imewekwa na makubaliano ya makazi ya kutangaza hadi mwisho wa 2004 kiwango cha Teknolojia ya Udhibiti wa Kiwango cha Juu MACT ili kudai udhibiti wa chanzo maalum cha zebaki na uchafuzi mwingine wa hewa hatari kutoka kwa huduma za umeme.  <response>: EPA is obligated by a settlement agreement to issue by the end of 2004 a Maximum Achievable Control Technology MACT standard to require source-specific controls of mercury and other hazardous air pollutants from electric utilities. 