1. بسم الله الرحمن الرحيم UMM AL-QURQ UNIVERSITY Faculty of Medicine Dep. Of BIOCHEMISTRY SAFETY RULES

2. HOW TO PROTECT YOURSELF IN THE LABORATORY • Wear safety glasses all times when you are in the laboratory. • Learn the exact locations of eyewash fountains,fire extinguishers, fire alarms, fire blankets, and other safety features in your laboratory, as will as how to use these devices. • Work only during the scheduled laboratory periods and perform only authorized experiments.

3. If you feel faint, sits down right away. • Do not apply salves or ointments on the burned areas, let the doctor decide the treatment. • Discard unused chemicals , do not return them to reagent bottles. • Never put a medicine cropper or a pipette from your desk into a regent bottle but, instead pour a very small amount of the regent quantities. • Try to keep inner walls of bottle stoppers or corks from touching tops of desks .

4. Neither food not beverage is allowed in the laboratory. • Never taste chemical. Check odors only very cautiously. • Discard all waste solids-water-insoluble chemicals, litmus paper, used matches, broken glass, paper towels-into crocks at the end of your laboratory bench. • Your shoes should cover your feet to protect them from spilled chemicals or dropped objects. • Always pour concentrated acid into water (never water into acid).

5. Laboratory Safety Signs: Toxic: Materials causing moderate toxic effects. Materials causing immediate toxic effects.

6. Flammable:

7. Explosive:

8. Corrosive:

9. Radioactive:

10. Biohazard:

11. ABDULLATIF TAHA ABDULLAMSc. BIOCHEMISTRY سبحانك لا علم لنا إلا ما علمتنا * إنك أنت العليم الحكيم 0