<prompt> Translate the following text to EnglishKwa sababu ya uamuzi huo wa kisheria, EPA imepangwa kupendekeza viwango vya Teknolojia ya Udhibiti wa Kiwango cha Juu MAT kwa makundi haya ya vyanzo.  <response>: As a result of that regulatory determination, EPA is scheduled to propose Maximum Achievable Control Technology MACT standards for these source categories by 2003. 