As soon as an accident occurs, tell your lab partner.
When working in a group, the lab equipment is the teacher's responsibility, not yours.
When performing experiments, you may leave your notebook on your desk.
Bulky clothing or loose sleeves could be hazardous in the lab.
You may use liquids from from an unlabeled container if your teacher is certain of what the container holds.
Never eat or drink in the lab.
Never perform unauthorized experiments.
Pour leftover chemicals down the drain.
Never horseplay in the lab.