1. Lab Safety Talk August 4, 2010. by Wing Kee LEE

2. Where to Find this Document l Department Web Page l Programs l Postgraduate l Lab Safety

3. Part I Teaching Lab l Background l How much does life of a person cost?

4. More... l Walk don’t Run l UV from Hg Lamp l Lasers -- properly blocked, warn students l High-voltage-- check with technician l No food or drink in Labs

5. More... l Press for fabricating high T c materials l Emergency numbers on the lab doors l In case of an emergency, watch for your own safety, then call security l Phone 7999

6. Materials Science l Polishing machine--hair, clothing, etc. l Acids for etching (HF) l Tube furnace (Hot) l Instron (Broken fragments could be very dangerous)

7. Liquid N 2 l Insulating gloves recommended *** Never Tight Seal *** (could result in explosion!!!)

8. Gas Tanks l Chained to wall, upright. l Flashback Arrests if fuel gas & oxygen are used

9. Part II Research Labs l It is everybody’s responsibility l Prevention l Emergency

10. l For Details, please read: l Lab Safety Guidelines (Web page of University Safety & Environment Office USEO)

11. Consultation or Seek Advice/Help  Supervisor  LEE, Chung Kay, Rm 224  Department Safety Coordinator (Prof K Y WONG, Rm 345)  USEO

12. Basic Safety Facilities l Suitable fire extinguisher l First-aid kit l Fume hood l Appropriate chemical cabinets l File of material safety data sheets

13. More... l Warning signs on door l Emergency phone Nos on door l Emergency phone in Labs l Shower and Eye Wash (will install more if needed) 

14. More... l Waste chemical containers and log book

15. Lab Safety (General) l No food, drink, smoking l Applying cosmetics, handling contact lens l Suitable clothing and/or hair style l Plan your experiment (especially if it is dangerous)

16. More... l Understand the possible hazards in labs l Keep door/path ways clear

17. Working Outside Office Hours l Should not work alone when working with dangerous chemicals/equipment l After Hours Access Log-Book

18. Safety in Machine Shop l Training (Arranged by the Department for those have needs )

19. Machine Shop Training l If you need training soon, please let Prof Wong know If you have working experiences in machine shop, please inform Prof Wong

20. Chemicals l Look up Chemwatch when you have doubt l Toxic? l Flammable? l Measures when spill l Disposal -- special containers available l

21. WARNING! l Never pour chemicals in sink, toilets, drainage.

22. HF Commonly used for etching l Use protective plastic glove l Calcium Gluconate Gel must be available when using HF *** Its Life Time is Limited ***

23. l Notes on commonly used equipment, materials, etc.

24. Chemicals l Clearly label chemicals, especially those on work bench or in fume hood.

25. Electricity l Never put extension outlets on the floor, Reason:… l Don’t overload socket or extension l High Tension

26. Radiations l X-ray --Proper Protection Lasers, UV, IR Lasers – used in many labs UV- Xenon Lamp IR- High Temp Furnace Wear Goggles

27. RF Sources l Microwave, RF heater, RF sputtering l Avoid exposure

28. Ultra Sound l Ultrasonic Cleaners l Avoid immersing body parts

29. Lifting Heavy Loads l Always keep your back straight l Seek help (Lab attendants, technicians)

30. Emergency l Remember Ext. 7999

31. Chemical Spill l Open windows l Sound Fire Alarm l Run to safety l Call 7999

32. l Questions