<prompt> Translate the following text to EnglishUtafiti huo ulifanywa na Shirika la Ulinzi wa Mazingira la Marekani USEPA na Ofisi ya Analisia na Mapitio ya Sera Office of Policy Analysis and Review huko Washington, DC.  <response>: Prepared for US Congress by US EPA, Office of Air and RadiationOffice of Policy Analysis and Review, Washington, DC 