<prompt> Translate the following text to EnglishKiwango cha kemikali ya dawa ya kuua wadudu haipaswi kuzidi viwango vya kitaifa vya ubora wa maji ya mazingira NAQ vya USEPA, ikiwa inapatikana.  <response>: Pesticide concentrations should not exceed USEPAs National Ambient Water Quality chronic criteria values where available. 