Lab Safety Talk

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					Lab Safety Talk

 August 4, 2010.

       by

  Wing Kee LEE
     Where to Find this Document

 Department Web Page
 Programs

 Postgraduate

 Lab Safety
           Part I Teaching Lab

 Background
 How much does life of a person cost?
                  More...

 Walk don’t Run
 UV from Hg Lamp

 Lasers -- properly blocked, warn students

 High-voltage-- check with technician

 No food or drink in Labs
                More...

 Press for fabricating high Tc materials
 Emergency numbers on the lab doors

 In case of an emergency, watch for your
  own safety, then call security
            Phone 7999
              Materials Science

 Polishing machine--hair, clothing, etc.
 Acids for etching (HF)

 Tube furnace (Hot)

 Instron (Broken fragments could be
  very dangerous)
               Liquid N2

   Insulating gloves
    recommended

        *** Never Tight Seal ***
      (could result in explosion!!!)
        Gas Tanks

  Chained to   wall, upright.

 FlashbackArrests if fuel gas &
        oxygen are used
Part II Research Labs

   Itis everybody’s
     responsibility

      Prevention


      Emergency
   For Details, please read:
 Lab    Safety Guidelines
(Web page of University Safety &
 Environment Office USEO)
      Consultation or Seek
         Advice/Help

 Supervisor
 LEE, Chung Kay, Rm 224
 Department Safety Coordinator
  (Prof K Y WONG, Rm 345)
 USEO
      Basic Safety Facilities

   Suitable fire extinguisher
   First-aid kit
   Fume hood
   Appropriate chemical cabinets
   File of material safety data sheets
             More...

 Warning   signs on door
 Emergency phone Nos on door

 Emergency phone in Labs

 Shower and Eye Wash (will
  install more if needed)

           More...

 Waste chemical   containers
  and log book
       Lab Safety (General)

 No  food, drink, smoking
 Applying cosmetics, handling

   contact lens
 Suitable clothing and/or hair style

 Plan your experiment (especially
     if it is dangerous)
               More...

 Understand  the possible
 hazards in labs

 Keep   door/path ways clear
Working Outside Office Hours

 Should not work alone when
    working with dangerous
     chemicals/equipment

 After   Hours Access Log-Book
  Safety in Machine Shop

        Training


(Arranged by the Department
    for those have needs )
  Machine Shop Training

  Ifyou need training soon,
  please let Prof Wong know

If you have working experiences
  in machine shop, please inform
           Prof Wong
                Chemicals

   Look up Chemwatch when you have doubt
 Toxic?

 Flammable?

 Measures when       spill
 Disposal   -- special containers available
         WARNING!

Never  pour chemicals in
 sink, toilets, drainage.
   HF Commonly used for etching


 Use protective plastic glove
 Calcium Gluconate Gel must be

  available when using HF

 *** Its Life Time is Limited ***
Noteson commonly used
equipment, materials, etc.
            Chemicals

 Clearlylabel chemicals,
 especially those on work bench
 or in fume hood.
          Electricity

 Never  put extension outlets
  on the floor, Reason:…
 Don’t overload socket or
  extension
 High Tension
        Radiations

   X-ray --Proper Protection

     Lasers, UV, IR
Lasers – used in many labs
    UV- Xenon Lamp
 IR- High Temp Furnace
        Wear Goggles
      RF Sources

 Microwave, RF heater, RF
        sputtering
     Avoid exposure
          Ultra Sound



     Ultrasonic Cleaners

 Avoid   immersing body parts
     Lifting Heavy Loads


 Always keep  your back straight
 Seek help (Lab attendants,
  technicians)
    Emergency




Remember   Ext. 7999
         Chemical Spill

 Open    windows
   Sound Fire Alarm
   Run to safety
   Call 7999
Questions

				
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