english: We've detected some chemicals that can make it through the first step in the process, but by the time we get to the second step, the advanced oxidation process, we rarely see any chemicals present.
non_english: Našli smo neke hemikalije koje uspeju da prođu kroz prvi korak procesa, ali kad prođu kroz drugi korak, napredni proces oksidacije, retko nailazimo na bilo kakve hemikalije.