What conditions have to be met for PPE at the end of its service life (ESL) to be used as training aids? Group of answer choices PPE must be contaminated to the point where it must be stored in an overpack drum. PPE must be damaged to the point that repair would cost more than the tool is worth. PPE must pass inspection and be permanently marked as No Live Fire (NLF) or Training Only. PPE must be modified to department specifications and be marked as Modified or Altered aid