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Ch 1 Safety Measures in Laboratory Science F4 KSSM.pptx
- 1. SAFETY MEASURES IN LABORATORY 1.0 SELF-PROTECTION EQUIPMENT THEME LEARNING AREA
- 2. 1.0 SAFETY MEASURES IN LABORATORY 1.1 Self-protection equipment 1.2 Disposable of wastes 1.3 Fire Extinguisher
- 3. Lab Safety Pn. Nurulkamilah binti Khairir
- 4. Chapter 1 Safety Measures in Lab 1.1 Self Protection Equipment 1.2 Disposable of Waste
- 5. You are able to: Explain functions at least 9 self-protective equipment Identify and justify substances that: (a)Can be disposed in the sink (b)Cannot be disposed into the sink Describe at least 3 methods in managing biological wastes correctly Explain the steps to manage accidents in laboratory: (a)4 steps – chemical spill (b)4 steps – mercury hazard
- 7. Dressing for Lab Below include an image in each box of appropriate lab dress. Lab coat Closed toe Shoe Safety Glasses Chemical Resistant Gloves Long Pants Face mask
- 13. 1 Wash off any spilled chemicals or toxic substances 2 To handle biological samples 3 To avoid accidents due to glass breakage or chemical spill 4 Provide filtered air ventilation 5 Irrigation for eye upon in contact with chemical 6 Avoid the smell of harmful gases such as chlorine 7 To protect eyes from direct chemical contact 8 To protect the body and clothes from chemical 9 Protect hands from chemicals A Closed toe shoes B Laminar flow cabinet C Lab coat D Chemical Resistant Gloves E Safety shower F Fume chamber G Safety glasses/goggles H Face mask I Eyewash station
- 15. Waste Disposal Waste can be divided into to groups: 1st Can be disposed into the sink 2nd Cannot be disposed into the sink
- 16. Chemical with pH 5 to 9 Toxic substances Solid wastes (glass) Radioactive wastes Volatile substances Chemical with pH less than 5 or more than 9 Chemical solution (acids) Heavy metals e.g. mercury Organic wastes e.g. carcasses Solution with low concentration & harmless Radioactive wastes
- 18. Chemical with pH 5 to 9 Toxic substances Solid wastes (glass) Radioactive wastes Volatile substances Chemical with pH less than 5 or more than 9 Chemical solution (acids) Heavy metals e.g. mercury Organic wastes e.g. carcasses Solution with low concentration & harmless Radioactive wastes
- 19. Handling Biological Waste There are three category for Biological Waste • Kept temporarily in a safe place Category A • Put into leak proof autoclave bags and autoclave it Category B • Carefully wrapped and stored temporarily in freezer Category C
- 20. A: Disposed into ‘sharp’ bin. No sterilization needed. B: Packed into ‘biohazard’ bag, autoclaved and then disposed into biohazard bin C: Wrapped in tissue, packed in ‘biohazard’ bag and frozen D: Autoclaved and disposed
- 21. In the Event of a Lab Accident… Chemical spill Inform teacher/lab assistant Probihated area Sand on the spill Gather the spillage and disposed safely Mercury spill Inform teacher/lab assistant Probihited area Sulphur on mercury spill Call fire brigade
- 23. You are able to: Describe the types of fire extinguisher and its corresponding use on class of fire Explain the method of using fire extinguisher - PASS Carry out an audit on the fire extinguishers at school Create a simple fire extinguisher that works by using materials available at home
- 27. A B C D E F Water Foam Dry powder CO2 Fire Extinguisher Type
- 28. A B C D E F Water Foam Dry powder CO2 Fire Extinguisher Type
- 30. ABC Fire Extinguisher Fire Blanket Fire Bucket
- 34. Remember… Safety First! Stay Alert – Don’t Get Hurt