<prompt> Translate the following text to EnglishMaji ya kuchaji na ya kupokea: Mfano wa maji ya kuchaji na ya kupokea, Mfano wa kuchaji na ya kuchaji, Mfano wa kuchaji na ya kuchaji, Mfano wa kuchaji, Mfano wa kuchaji, Mfano wa kuchaji  <response>: EFFLUENT AND RECEIVING WATER SAMPLING, SAMPLE HANDLING, AND SAMPLE PREPARATION FOR TOXICITY TESTS 