<prompt> Translate the following text to EnglishMatokeo ya mtihani ni kutoa katika suala la mwisho mbili, No-kuonekana-effect mkusanyiko NOEC na chini-kuonekana-effect mkusanyiko LOEC.  <response>: The results of the test are given in terms of two endpoints, the No-Observed-Effect Concentration NOEC and the Lowest-Observed-Effect Concentration LOEC. 