Induction Seminar Induction Seminar for New Laboratory for New Laboratory

TechniciansTechnicians

Mr W C HOMr W C HO30/9/0630/9/06

Risk AssessmentRisk Assessment

► An analysis of a practical activity to identify An analysis of a practical activity to identify hazards and to take precautions to minimishazards and to take precautions to minimise the risk e the risk

► Procedures:Procedures: Identifying hazards Identifying hazards

(Materials / Procedures / Equipment)(Materials / Procedures / Equipment) Assessing how likely the hazard will actually cauAssessing how likely the hazard will actually cau

se harm (risk)se harm (risk) Deciding what control measures to reduce risk tDeciding what control measures to reduce risk t

o acceptable levelo acceptable level Finding how to dispose of hazardous residuesFinding how to dispose of hazardous residues ReviewReview

Procurement and Management Procurement and Management of Laboratory of Laboratory

Equipment/ChemicalsEquipment/Chemicals

Storing / Organising

Acquisition

Write-off / Disposal

Record Keeping

Composite Furniture & Equipment Composite Furniture & Equipment GrantGrant

► Replace recurrent and non-recurrent F&E grants fReplace recurrent and non-recurrent F&E grants for aided schoolsor aided schools

► Greater flexibility in the use of resourcesGreater flexibility in the use of resources► Expenditure incurred should be reasonable Expenditure incurred should be reasonable

and necessary for educational purposesand necessary for educational purposes► Cover the costs and maintenance/repair fees Cover the costs and maintenance/repair fees

for F/E items, insurance premium for non-for F/E items, insurance premium for non-standard F&E itemsstandard F&E items

► $13,690 per class for 2006/07$13,690 per class for 2006/07► EMBCM150/2006EMBCM150/2006 ; EMB Circular 2/2001A; EMB Circular 2/2001A► http://www.emb.gov.hk/oebg-e

Science Subject GrantsScience Subject Grants

► For purchase of consumablesFor purchase of consumables► EMBCM150/2006 EMBCM150/2006 ► Aided SchoolsAided Schools

Operating Expenses Block GrantOperating Expenses Block Grant((資助學校營辦開支整筆津貼資助學校營辦開支整筆津貼 ))

Adm. Cir. 27/2000Adm. Cir. 27/2000 S1-3 Science, AL Biology and ASL/AL ChemistryS1-3 Science, AL Biology and ASL/AL Chemistry

► Govt. SchoolsGovt. Schools Subject & Curriculum Block GrantSubject & Curriculum Block Grant

((官立學校科目及課程整筆津貼官立學校科目及課程整筆津貼 )) Finance Cir. 2/2000Finance Cir. 2/2000

http://www.emb.gov.hk

Reference Lists of F/EReference Lists of F/E

► Consider whether item is safe before purchasConsider whether item is safe before purchase (e.g. chemicals, electrical equipment, plants e (e.g. chemicals, electrical equipment, plants & animals)& animals)

► Specifications of the EMB Reference List of F&Specifications of the EMB Reference List of F&EE

► http://www.emb.gov.hkhttp://www.emb.gov.hk

ThermometerThermometer

► Digital thermometerDigital thermometer► No-roll thermometer No-roll thermometer

sleevesleeve► Break-safe Break-safe

thermometer (encased thermometer (encased in a PVC coating, 10-in a PVC coating, 10-100100ooC)C)

► Low toxicity non-Low toxicity non-mercury filled mercury filled thermometer, max thermometer, max 110 / 330110 / 330ooCC

Thermometer HolderThermometer Holder

►clips onto the rim of a beaker or other clips onto the rim of a beaker or other vessel to hold a thermometer vessel to hold a thermometer vertically near the side of the vertically near the side of the containercontainer

Hand Protector Hand Protector 隔熱護手墊隔熱護手墊

Heating Device Heating Device

► Alternative to Bunsen burner or heating mantleAlternative to Bunsen burner or heating mantle► Aluminium heating block (~$100)Aluminium heating block (~$100)

► Commercial heating deviceCommercial heating device

PlasticwarePlasticware

► Reduce breakage of glasswareReduce breakage of glassware Plasticware (e.g. dropper, beaker, funnel, Plasticware (e.g. dropper, beaker, funnel,

measuring cylinder)measuring cylinder) Polypropylene, polymethylpentene (TPX))Polypropylene, polymethylpentene (TPX))

Well-plate孔井穴板Microspatular

Pipette多用滴管

Microscale Chemistry EquipmentMicroscale Chemistry Equipment

Universal Indicator Chart

Glass Combustion tube

Microscale VersionMicroscale Version

0.4 M NaOH0.4 M NaOH

PinsPins

Shampoo Shampoo SolutionSolution

Reduction of CuOReduction of CuO

GalvanizedGalvanizediron coiliron coil

5M HCl5M HClMicroburnerMicroburner

Reactions of ChlorineReactions of Chlorine

NaClNaCl

KBrKBrKIKI

Bleach + HClBleach + HCl

Microscale Chemistry EquipmeMicroscale Chemistry Equipmentnt

Set up for reflux

Distillation cap

Set up for distillationhttp://www.mcl.hk

AsbestosAsbestos

► Naturally occurring fibrous silicate minerals Naturally occurring fibrous silicate minerals ► May cause lung cancer, mesothelioma (May cause lung cancer, mesothelioma ( 間皮瘤間皮瘤 ) & ab) & ab

estosis (estosis (石棉沉著病石棉沉著病 ))► Asbestos-containing products Asbestos-containing products should not be used in should not be used in

schoolsschools► Beware of equipment with heat insulating materials Beware of equipment with heat insulating materials

e.g. wire gauzes, bench mats, ovense.g. wire gauzes, bench mats, ovens► Bench mats should be made of glass reinforced cemeBench mats should be made of glass reinforced ceme

nt. Wire gauzes should be with ceramic centres.nt. Wire gauzes should be with ceramic centres.► Add “Asbestos free” requirement when purchasingAdd “Asbestos free” requirement when purchasing► Do not dispose of asbestos-containing products as coDo not dispose of asbestos-containing products as co

mmon garbagemmon garbage

Procurement of ChemicalsProcurement of Chemicals

► Before purchase, assess the Before purchase, assess the hazardous naturehazardous nature of chem of chemicals, check your icals, check your inventoryinventory, whether it will be , whether it will be used in eused in experimentsxperiments in the near future in the near future

► Acquire Acquire safer alternativessafer alternatives e.g. Volasil 244 instead of CC e.g. Volasil 244 instead of CCll44

► Avoid over-stockingAvoid over-stocking of chemicals of chemicals► Keep quantities to a minimal especially for water-reacKeep quantities to a minimal especially for water-reac

tive chemicals e.g. Na, K, Cative chemicals e.g. Na, K, Ca22C, SiClC, SiCl44, hazardous chemi, hazardous chemicals e.g. Brcals e.g. Br22 (ampoule package), conc. acids and alkali (ampoule package), conc. acids and alkalis and flammable chemicals e.g. P, ether, ethanol, etc s and flammable chemicals e.g. P, ether, ethanol, etc

► Clearly labelled and date-stamped the date of arrivalClearly labelled and date-stamped the date of arrival► Keep a clear and updated record of chemical stocks (lKeep a clear and updated record of chemical stocks (l

ocations)ocations)

Safer Alternatives to chlorinated Safer Alternatives to chlorinated hydrocarbonshydrocarbons

► Displacement reactions of halogensDisplacement reactions of halogens Cyclohexane or Volasil 244 (octamethylcyclCyclohexane or Volasil 244 (octamethylcycl

otetrasiloxane, (CHotetrasiloxane, (CH33))88SiSi44OO44)) Less dense than water, they form an upper lLess dense than water, they form an upper l

ayerayer Cyclohexane is much less expensive than VoCyclohexane is much less expensive than Vo

lasil 244. The collected waste can be treated lasil 244. The collected waste can be treated with 1 M sodium carbonate solution before rwith 1 M sodium carbonate solution before recycling or disposal.ecycling or disposal.

CH3Si

O

CH3

O

CH3

Si

CH3

Si

O

CH3

CH3

Si

CH3

O

CH3

Safety Information of Safety Information of ChemicalsChemicals

International Chemical Safety Cards http://www.ilo.org/public/english/protection/safework/cis/products/icsc/

Scottish Schools Equipment Research Centrehttp://

www.sserc.org.uk

CLEAPSSCLEAPSShttp://www.cleapss.org.ukhttp://www.cleapss.org.uk

ChemLabels CD-ROMChemLabels CD-ROM

► http://www.merck.de/english/servhttp://www.merck.de/english/services/chemdat/english/index.htmices/chemdat/english/index.htm

► http://www.sigmaaldrich.comhttp://www.sigmaaldrich.com

Controlled ChemicalsControlled Chemicals

► Prevent diversion of chemicals to illicit (Prevent diversion of chemicals to illicit (非法非法 ) m) manufacture of narcotic drugs or psychotropic subanufacture of narcotic drugs or psychotropic substances e.g. heroin (stances e.g. heroin (海洛英海洛英 ))

► Control of Chemicals Ordinance (Cap. 145)Control of Chemicals Ordinance (Cap. 145)► Acetylating SubstancesAcetylating Substances

Ethanoyl chloride (Ethanoyl chloride ( 乙酰氯乙酰氯 ), ethanoic anhydride (), ethanoic anhydride ( 乙酰乙酰酐酐 ))

LicenceLicence► Potassium Permanganate (Potassium Permanganate (高錳酸鉀高錳酸鉀 ))

Storage approvalStorage approval► List of Controlled Chemicals List of Controlled Chemicals

((Customs & Excise DeptCustoms & Excise Dept, Tel. 2541 4383), Tel. 2541 4383)

Chemical Weapon Precursors► List of chemical weapon precursors controlled under the Im

port and Export Ordinance (Annex A of STCC No.16/04)► http://www.stc.tid.gov.hk/english/circular_pub/stc16_04.html ► Items under the control lists of two international control reg

imes - the Australia Group which aims to minimize the risk of chemical and biological weapons proliferation; and the Chemical Weapons Convention which aims to prohibit the development, production, stockpiling and use of chemical weapons and on their destruction.

► Schools wishing to purchase chemicals e.g. NaF, KF flouride, PCl3 or PCl5 for expts should first sign an undertaking. By doing so, TID can trace the location of the chemicals and how they are used. No fee would be required.

► Trade and Industry Department 工 業 貿 易 署 Enquiry tel.: 2398 5625

Other IssuesOther Issues

► Obtain animals e.g. healthy rats for dissection frObtain animals e.g. healthy rats for dissection from licensed animal traders (registered with AFCom licensed animal traders (registered with AFCD, Tel. 2150 6645) or the University Animal Units D, Tel. 2150 6645) or the University Animal Units

► Plant materials may contain irritantsPlant materials may contain irritants► 3-pin adaptors and extension units comply with 3-pin adaptors and extension units comply with

safety standard (BS546 or BS 1363)safety standard (BS546 or BS 1363)► Class II laser (< 1 mW)Class II laser (< 1 mW)► 2,4,6-Trinitrophenol (Picric Acid 2,4,6-Trinitrophenol (Picric Acid 苦味酸苦味酸))

Flammable Liquid CabinetsFlammable Liquid Cabinets► constructed from 20 swg zinc coateconstructed from 20 swg zinc coate

d steel with welded seamsd steel with welded seams► door front built with an integral lip door front built with an integral lip

to assist in providing a vapour seal to assist in providing a vapour seal with the doorswith the doors

► doors have reinforced vertical panedoors have reinforced vertical panels and continuous hinge to prevent ls and continuous hinge to prevent distortion due to heat under fire codistortion due to heat under fire conditionndition

► all internal and external metal surfaall internal and external metal surfaces finished in textured high quality ces finished in textured high quality stove enamel which will not emit tostove enamel which will not emit toxic fume during fire conditionsxic fume during fire conditions

► label “DANGER flammable materialabel “DANGER flammable materials” and symbolls” and symbol

Acid Storage CabinetAcid Storage Cabinet

► Constructed from 20 swg zinc cConstructed from 20 swg zinc coated steel with welded seamsoated steel with welded seams

► Door fronts with dia. 30 mm plaDoor fronts with dia. 30 mm plastic ventilation capstic ventilation cap

► doors have reinforced vertical doors have reinforced vertical panels and continuous hinge tpanels and continuous hinge to prevent distortion due to heao prevent distortion due to heat under fire conditiont under fire condition

► Finished in white polyester poFinished in white polyester powder coating giving a surface wwder coating giving a surface which is resistant to most acids ahich is resistant to most acids and alkalisnd alkalis

Organising and StoringOrganising and Storing

Semi-open Storage/retrieval Semi-open Storage/retrieval SystemSystem

► Not uncommon for teacher go in and out of Not uncommon for teacher go in and out of prep. room to fetch things that s/he wants prep. room to fetch things that s/he wants for further experiment, or to replace an itemfor further experiment, or to replace an item

► Allows ‘self-service’ by teachersAllows ‘self-service’ by teachers Cupboards with glass doorsCupboards with glass doors General itemsGeneral items Plastic trays as standard containersPlastic trays as standard containers Transparent plastic boxesTransparent plastic boxes Automatic self-checking system – facilitates Automatic self-checking system – facilitates

checking and counting of items returned by checking and counting of items returned by studentsstudents

A system of locating equipment – location code A system of locating equipment – location code and a planand a plan

General Storage CupboardsGeneral Storage Cupboards

► Glass-fronted cupboardsGlass-fronted cupboards► AdvantagesAdvantages

Ease of seeing what is storedEase of seeing what is stored Ease of locating missing bottlesEase of locating missing bottles Visibility of deteriorating stockVisibility of deteriorating stock

► DisadvantagesDisadvantages Need for frequent cleaning of glassNeed for frequent cleaning of glass Effect of sunlight on the chemicalsEffect of sunlight on the chemicals UV causing embrittlement of the plastic used for manUV causing embrittlement of the plastic used for man

y chemical bottles y chemical bottles

LabellingLabelling► Using card case for labelling storage cabinUsing card case for labelling storage cabin

ets – easy updateets – easy update

Storage cabinetStorage cabinet

► Facilitate self-service by teachers and Facilitate self-service by teachers and studentsstudents

Safety Spectacles

Transparent plastic boxesTransparent plastic boxes

► boxes of different sizes are available inexboxes of different sizes are available inexpensivelypensively

General ItemsGeneral Items

►A neat and convenient way of keeping A neat and convenient way of keeping connecting leadsconnecting leads

Plastic trays as standard Plastic trays as standard containerscontainers

►Trolley with traysTrolley with trays

Record KeepingRecord Keeping

► MS ExcelMS Excel► Inventory program available at http://hkltInventory program available at http://hklt

a.org.hk/a.org.hk/

Using MS Access for Using MS Access for InventoryInventory

►Database, table, query, form, reportDatabase, table, query, form, report

Commercial Inventory Commercial Inventory ProgramProgram

►Master program (~$3000)Master program (~$3000)►Optional itemsOptional items

User program (~$2000 per user) access User program (~$2000 per user) access to master database through LANto master database through LAN

Bar code scannerBar code scanner Label printerLabel printer Data collector for stock taking Data collector for stock taking

Writing Off Equipment (1)Writing Off Equipment (1) ►To free up storage spaceTo free up storage space►For aided schools:For aided schools:

prepare a destruction certificateprepare a destruction certificate endorse by the school head under witness endorse by the school head under witness

by a senior teacherby a senior teacher certificate should be kept in school for certificate should be kept in school for

record purposerecord purpose

Writing Off Equipment (2)Writing Off Equipment (2)

For government schools:For government schools:► Departmental Controlled StoresDepartmental Controlled Stores

list of Unserviceable DCS for Disposal (G.F.277)list of Unserviceable DCS for Disposal (G.F.277) approve by school head and retained for future approve by school head and retained for future

audit inspectionaudit inspection► Inventory StoresInventory Stores

list of Materials for Condemnation as list of Materials for Condemnation as Unserviceable (G.F.233) Unserviceable (G.F.233)

certify by relevant panel teacher(s) as the certify by relevant panel teacher(s) as the Member of Board of CondemnationMember of Board of Condemnation

submit to Senior Supplies Officer (EMB)submit to Senior Supplies Officer (EMB)

FixturesFixtures

Major Repair EstimatesMajor Repair Estimates

►For aided schoolsFor aided schools►Non-recurrentNon-recurrent►For repair work of laboratory fixture For repair work of laboratory fixture

costing $8,000 or morecosting $8,000 or more►Approval depends on Approval depends on

recommendations by ASD / Housing recommendations by ASD / Housing Dept / EMB & the availability of fundDept / EMB & the availability of fund

►EMBCM091/2006 (around May each EMBCM091/2006 (around May each year)year)

Dilution Tank Catchpot Recovery Trap

Major Repair

Island BenchIsland Bench

►Leg roomLeg room

Proprietary type (UK Building Bulletin 88)

Wired or Tempered

Glass

Fume CupboardFume Cupboard

Drip Cup

Air Foil

Remote Control

Outlet of Exhaust duct

Exhaust ductsExhaust ductsWeather Cap

Measuring Face VelocityMeasuring Face Velocity

Regular checking, Test ReportAnemometer

Emergency Repair of Lab Emergency Repair of Lab FixturesFixtures

►For emergency situations (For emergency situations (egeg breakdown of fume cupboard fan) breakdown of fume cupboard fan) costing $8,000 - $200,000costing $8,000 - $200,000

►Standard Request Form to ASD or Standard Request Form to ASD or Housing Dept with a copy to REOHousing Dept with a copy to REO

►Adm. Cir. 57/1999Adm. Cir. 57/1999

Fume CupboardFume Cupboard

Pulley counterweight system of the sash door

Safety and Laboratory FacilitiesSafety and Laboratory Facilities

► Building Bulletin 80 – Science Building Bulletin 80 – Science Accommodation in Secondary Accommodation in Secondary Schools: A Design Guide. http:Schools: A Design Guide. http://eric.ed.gov//eric.ed.gov

► L14 L14 Designing and Planning LaboraDesigning and Planning Laboratories, CLEAPSStories, CLEAPSS

► Science Facilities Standards (TScience Facilities Standards (Texas) http://www.utdanacentexas) http://www.utdanacenter.org/sciencetoolkit/safety/er.org/sciencetoolkit/safety/

Almost there!Almost there!

Managing for SafetyManaging for Safety

► Regulations & policies http://www.justice.gov.hkRegulations & policies http://www.justice.gov.hk► Promote awareness on laboratory safetyPromote awareness on laboratory safety► Safety precautions to minimise laboratory accidentsSafety precautions to minimise laboratory accidents► Adopt safer alternativesAdopt safer alternatives► Regular safety inspectionsRegular safety inspections► Emergency plans & drillsEmergency plans & drills► RecordsRecords & filing & filing► Effective CommunicationEffective Communication► Experience sharing & trainingExperience sharing & training► Review / EvaluationReview / Evaluation

Iron/sulphur ReactionIron/sulphur Reaction

► Form toxic sulphur dioxideForm toxic sulphur dioxide► Exothermic reaction, carried out in borosilicate test tubes aExothermic reaction, carried out in borosilicate test tubes a

s demonstration or in smaller ignition tubes by studentss demonstration or in smaller ignition tubes by students► Mineral fibre plug to stop sulphur vapour leaving the test tuMineral fibre plug to stop sulphur vapour leaving the test tu

be and possibly catching firebe and possibly catching fire

“Safer Chemicals Safer Reactions”, L195, Sept 2003, CLEAPSS

Immediate Remedial MeasurImmediate Remedial Measureses► What should you do while waiting for first aider iWhat should you do while waiting for first aider i

n the following accidents?n the following accidents? Chemical splashes in the eye/on skin/in mouth, perhaChemical splashes in the eye/on skin/in mouth, perha

ps swallowedps swallowed BurnsBurns Toxic gasToxic gas Hair on fireHair on fire Clothing on fireClothing on fire Electric shockElectric shock Serve cutsServe cuts Asthma attackAsthma attack

First Aid TrainingFirst Aid Training

► First Aid Certificate Course First Aid Certificate Course 急救訓練課程急救訓練課程 (30 hours)(30 hours)

► Hong Kong St. John AmbulanceHong Kong St. John Ambulance香港聖約翰救護機構香港聖約翰救護機構http://http://www.stjohn.org.hkwww.stjohn.org.hk

► Hong Kong Red Cross Hong Kong Red Cross 香港紅十字會香港紅十字會 http:/http://www.redcross.org.hk/www.redcross.org.hk

Professional DevelopmentProfessional Development

► Certificate for Laboratory TechniciansCertificate for Laboratory Technicians Hong Kong Institute of Vocational Education (ShatHong Kong Institute of Vocational Education (Shat

in)in) part-time day release (2-yr course) part-time day release (2-yr course) http://www.http://www.

vtc.edu.hk/vtchome/main.jsp vtc.edu.hk/vtchome/main.jsp ► Training Courses organised by the OccupatioTraining Courses organised by the Occupatio

nal Safety and Health Councilnal Safety and Health Council► Professional knowledge & experienceProfessional knowledge & experience►香港實驗室技術員協會香港實驗室技術員協會 http://hklta.org.hkhttp://hklta.org.hk►教育統籌局實驗室技術員協會教育統籌局實驗室技術員協會 http://alated.uhhttp://alated.uh

ome.netome.net

Open Source Open Source Content Management SystemContent Management System

► XOOPS (http://www.xoops.org)XOOPS (http://www.xoops.org)► Gallery 2Gallery 2

a popular open source web-based photo album a popular open source web-based photo album that allows a user to easily create and maintain that allows a user to easily create and maintain albums of photos via an intuitive interfacealbums of photos via an intuitive interfacehttp://www.xoopsgallery.org/http://www.xoopsgallery.org/

► http://www.echemhk.org/webhttp://www.echemhk.org/webUsername: peterUsername: peterPassword: “qwerty”Password: “qwerty”

Laboratory TechniciansLaboratory Technicians

► Contribute in departmental meetingsContribute in departmental meetings► Display signs alerting students to take proper safety preDisplay signs alerting students to take proper safety pre

cautionscautions► Familarise with the curriculum content to facilitate the pFamilarise with the curriculum content to facilitate the p

reparation of materials for practical lessonsreparation of materials for practical lessons► Familarise with new trends of curriculum development – Familarise with new trends of curriculum development –

purchase necessary equipmentpurchase necessary equipment► Maximise the use of resources and minimise wastage of Maximise the use of resources and minimise wastage of

materials by recycling and reusematerials by recycling and reuse► Label drawers and cabinets to facilitate easy accessLabel drawers and cabinets to facilitate easy access► Update professional knowledgeUpdate professional knowledge► Remember “Safety is everyone’s responsibilitRemember “Safety is everyone’s responsibilit

y”y”

Thank you !Thank you !

cdosc21@emb.gov.hkcdosc21@emb.gov.hk

Tel.: 3698 3438Tel.: 3698 3438

Fax: 2194 0670Fax: 2194 0670