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Induction Course for New Laboratory Technicians

Induction Course for New Laboratory Technicians. 4 October 2008 Sophia CHENG Science Education Section, EDB. Job Description for Lab Tech II/III. To prepare, construct, operate and maintain laboratory apparatus and equipment.

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Induction Course for New Laboratory Technicians

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  1. Induction Course for New Laboratory Technicians 4 October 2008 Sophia CHENG Science Education Section, EDB

  2. Job Description for Lab Tech II/III • To prepare, construct, operate and maintain laboratory apparatus and equipment. • To assist in class demonstration in a laboratory or in a demonstration room. • To assist teachers to supervise the pupils in performing experiments. • To assist teachers in planning and trying out experiments.

  3. To keep stores and inventory in laboratories. • To carry out annual stocktaking of all stores and equipment in laboratories. • To purchase laboratory apparatus, equipment and other items necessary for laboratories. • To prepare annual estimates of consumables, stores and additional items for laboratories.

  4. To conduct routine laboratory tests. • To be responsible for all the normal safeguards in a laboratory. • To instruct and supervise laboratory attendants in the maintenance of the laboratories and preparation of rooms.

  5. Science Safety Resource Manual (2003), British Columbia

  6. What is your role as a LT? • Manage for good laboratory service • Manage for safety • Manage for smooth operation Support learning and teaching of Science

  7. Procurement and Management of Laboratory Equipment/Chemicals Record Keeping Acquisition Write-off / Disposal Storing / Organising

  8. Composite Furniture & Equipment Grant (CFEG) • Cover the costs and maintenance/repair fees for F/E items, insurance premium for non-standard F&E items • $14,714 per class for 2008/09 • For Incorporated Management Committee (IMC) schools, CFEG has been included in Expanded Operating Expenses Block Grant (EOEBG). • EDBCM119/2008 • http://www.edb.gov.hk/oebg-e

  9. Science Subject Grants • For purchase of consumables • S1-3 Science, AL Biology and ASL/AL Chemistry • Aided Schools • Expanded / Operating Expenses Block Grant(E/OEBG) (擴大/營辦開支整筆津貼) • Govt. Schools • Subject & Curriculum Block Grant(科目及課程整筆津貼)

  10. Reference Lists of F/E • Consider safety and need before purchase • Specifications of the EDB Reference List of F&E • www.edb.gov.hk

  11. Microscale Chemistry Equipment Pipette多用滴管 Well-plate孔井穴板 Microspatular Glass Combustion tube Universal Indicator Chart

  12. Electrolysis of dilute sodium hydroxide Pins Shampoo Solution 0.4 M NaOH

  13. Reduction of CuO Microburner 5M HCl Galvanizediron coil

  14. Reactions of Chlorine NaCl Bleach + HCl KI KBr

  15. Microscale Organic Reactions

  16. Microscale Organic Reactions

  17. Laboratory Equipment Bunsen Burner Screen Spectacle Cabinet Flexicam

  18. Laboratory Equipment • Hand Protector 隔熱護手墊

  19. Laboratory Equipment • Protecting students from chemical spillage

  20. How to reduce glass breakage and cut accidents?

  21. Laboratory Equipment • Reduce breakage of glassware • Plasticware (e.g. dropper, beaker, funnel) • polypropylene (PP), polymethylpentene (PMP, TPX))

  22. Laboratory Equipment • Thermometers • Non-mercury filled • Short vs long (150mm / 300mm) • Plastic coated / Reinforced bulb • Digital (-50 - 150oC)

  23. Asbestos • Asbestos-containing products should not be used in schools • Beware of equipment with heat insulating materials e.g. wire gauzes, bench mats, ovens • Bench mats should be made of glass reinforced cement. Wire gauzes should be with ceramic centres. • Add “Asbestos free” requirement when purchasing • Do not dispose of asbestos-containing products as common garbage

  24. Procurement of Chemicals • Before purchase, assess the hazardous nature of chemicals, check your inventory, whether it will be used in experiments in the near future • Acquire safer alternatives e.g. Volasil 244 instead of CCl4 • Avoid over-stocking of chemicals • Keep quantities to a minimum especially for water-reactive chemicals e.g. Na, K, CaC2, SiCl4, hazardous chemicals e.g. Br2 (ampoule package), conc. acids and alkalis and flammable chemicals e.g. P, ether, ethanol, etc • Clearly labelled and date-stamped the date of arrival • Keep a clear and updated record of chemical stocks (locations)

  25. Safety Information of Chemicals • International Chemical Safety Cards • http://www.ilo.org/public/english/protection/safework/cis/products/icsc/ • Material Safety Data Sheet (MSDS) • Developed by the Faculty Laboratory Centre of CityU • http://cd1.edb.hkedcity.net/cd/science/laboratory/content_safety.html

  26. Labeling of Chemical

  27. Printing labels for chemicals 職業安全健康局 http://www.oshc.org.hk/download/download/4/chemical2005.zip

  28. Printing labels for chemicals

  29. Controlled Chemicals • Prevent diversion of chemicals to illicit (違法) manufacture of narcotic drugs or psychotropic substances e.g. heroin (海洛因) • Control of Chemicals Ordinance (Cap. 145) • List of Controlled Chemicals • http://www.customs.gov.hk/chi/major_licence_chemicals_c.html • Acetylating Substances (乙酰化物） • Ethanoyl chloride (乙酰氯), ethanoic anhydride (乙酰酐) • Potassium Permanganate (高錳酸鉀) • Storage approval (Form CED 360)

  30. Chemical Weapon Precursors • List of chemical weapon precursors controlled under the Import and Export Ordinance (Annex A of STCC No.16/04) http://www.stc.tid.gov.hk/english/circular_pub/stc16_04.html • Schools wishing to purchase chemicals e.g. NaF, KF, PCl3 or PCl5 for experiments should first sign the chemical end-user undertaking. • Strategic Trade Controls Brance, Trade and Industry Department (工 業 貿 易 署 ) Enquiry: 2398 5587 (Tel), stc@tid.gov.hk (email)

  31. Do you think school laboratories are safe?

  32. Survey on laboratory accidents in secondary schools (05/06) • 464 schools responded (response rate : 93.4% ) • Statistics • 296 schools without accident (64%) • 554 cases in 168 schools (36%) • 500 students and 8 staffs injured; most injuries were minor cuts or scalds • Cause of accidents: Carelessness (students: 91.7%; teachers: 0.5%; LTs: 1.8%)

  33. 309 (56%) 134 (24%) 92 (17%) 18 (3%) 1 (~0%) Subjects involved (05/06)

  34. Accident Records • Keep record of all accidents (including minor accidents) in each lab • Send detailed accident report for serious laboratory accident to REO

  35. Science Education –Laboratory Safety and Management(http://www.edb.gov.hk/cd/sc > References & Resources)

  36. Resources on laboratory safety and management • Information about approved gas tubing for Bunsen Burners • Handbook on Safety in Science Laboratories (2002) • Posters on laboratory safety • Laboratory safety inspection checklist • Material Safety Data Sheets (MSDS) • Use of Sealed Radioactive Sources for Teaching Purposes in Schools • Risk assessment form • List of university centres and facilities supplying rats for school use

  37. Handbook on Safety in Science Laboratories (http://cd1.emb.hkedcity.net/cd/science/laboratory/safety/SHB_2002e.pdf) • Safety management • Hazardous chemicals and their storage • Disposal of chemical wastes • Handling of glassware, plants, microorganisms, animals, radioactive substances, etc. • First aid in the laboratory • Laboratory accidents and insurance

  38. Handbook on Safety in Science Laboratories • Additional resources or information in appendices: • Risk assessment form • Some plants known to contain irritants • Report form on laboratory accident • Chemistry experiments requiring particular care

  39. Curriculum reform in science education

  40. Emphasis on Scientific Investigation • Inquiry-based experiments and simple investigation • Encourage students to design their own experiments • Develop skills of problem solving, collaboration, critical thinking, creativity… • Scientific investigation as part of curriculum in NSS science subjects

  41. Risk Assessment • An analysis of a practical activity to identify hazards and to take precautions to minimise the risk • Procedures: • Identifying hazards (Materials / Procedures / Equipment) • Deciding what control measures to reduce risk to acceptable level • Finding how to dispose of hazardous residues

  42. More roles and duties • contribute in departmental meetings • display signs alerting students to take proper safety precautions • familiarise with the curriculum content to facilitate the preparation of materials for practical lessons • familiarise with new trends of curriculum development – purchase necessary equipment • maximise the use of resources and minimise wastage of materials by recycling and reuse • label drawers and cabinets to facilitate easy access • update professional knowledge

  43. Manage a Safe Environment forLearning and Working

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