<prompt> Translate the following text to SwahiliThe Administrator, in consultation with the Secretary of Energy, must conduct a study that addresses a number of specific factors regarding, among other the need for further reductions of these pollutants from affected EGUs and other sources to attain or maintain the national ambient air quality standards; whether adjusting any of the limitations would have benefits that would justify the costs of such adjustment; the relative marginal cost effectiveness of the reductions from affected EGUs; and the feasibility of attaining the limitations and any alternative limitations.  <response>: Msimamizi, kwa kushauriana na Waziri wa Nishati, lazima afanye utafiti ambao unashughulikia mambo kadhaa maalum kuhusu, miongoni mwa mengine, haja ya kupunguzwa zaidi kwa uchafuzi huu kutoka kwa EEGs zilizoathiriwa na vyanzo vingine ili kufikia au kudumisha viwango vya kitaifa vya ubora wa hewa; ikiwa kurekebisha yoyote ya mapungufu itakuwa na faida ambayo ingehalalisha gharama za marekebisho kama hayo; ufanisi wa gharama ya kiasi cha kupunguzwa kutoka kwa EEGs zilizoathiriwa. 