tasting chemical samples using heat-resistant gloves if glassware is hot tying back long hair washing a chemical splash with lots of water
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which action does not represent a safety procedure in the lab?
Possibilities:
- tasting chemical samples
- using heat-resistant gloves if glassware is hot
- tying back long hair
- washing a chemical splash with lots of water

tasting chemical samples