2 Biological Agents - definition: A micro-organism (including those which have been genetically modified), a cell culture, and a human endoparasite which may be able to provoke any infection, allergy or toxicity...
3 Biological Agents - definition ctd.: …classified into 4 risk groups according to their level of risk of infectionGroup 1: Unlikely to cause human disease.Group 2: Can cause human disease and might be a hazard to employees but unlikely to spread to the community.
4 Group 3: Can cause severe human disease and presents a serious hazard to employees and may present a risk of spreading to the community (usually effective prophylaxis or treatment).
5 Group 4 : Which causes severe human disease and is a serious hazard to employees and may present a high risk of spreading to the community - usually NO effective prophylaxis or treatment).
6 Put them in order of danger… Hepatitis B virusFasciola HepaticaEbola virusStaphylococcus aureusE. coli 0103
7 Class 2Fasciola HepaticaStaphylococcus aureusClass 3Hepatitis B virus (* V D)E. coli 0103 (* T)Class 4Ebola virus
8 Legislation Safety, Health and Welfare at Work Act 1989. Safety, Health and Welfare at Work (Biological Agents) Regulations 1994.Safety, Health and Welfare at Work (Biological Agents) Amendment Regulations 1998.
9 Reg. 3 - Employer’s Duties avoid useprevent exposure where risk shown (R.A.)reduce exposure to as low as possibleapply schedule 2good safety & hygiene principles even where low risknot deliberate work (schedule 1) - comply with key regs.
10 Reg Risk AssessmentThe process of evaluating and ranking the risks to health and safety at work arising from hazards at the workplace.
11 +Your work /Alter ?? SAFE ?? YES NO Reg.. 4 - Risk Assessment Review Biological Agent Stop+Your work /Alter ?? SAFE ??YES NO
12 Reg Risk AssessmentAssess risk: nature, degree & duration of exposure, safety measureswrittenseveral groups: all hazardous agentsrenew regularlyrelevant information: classification,disease info., potential allergic or toxigenic effectsknowledge of the diseaserecommendations from H.S.A.
13 RA - Also consider Means of infection If not classified - what likely classification (err on the higher risk level)Persons at risk..Particularly “Special Risk Gps” e.g. pregnant employeesThe doseNature of the work
14 Reg.. 5 - Information/Notification RA and relevant information to H. S. A.where RA reveals risk to health to provide appropriate information (RA results, # of employees exposed, emergency plan)inform H.S.A. of accident/incidentnotification to H.S.A. of 1st time work with class 2-3 biol. Agents, etc.notification details.
16 Reg.. 6 - Protective Measures ctd. work clothes separate from PPEdecont./cleaning procedures - PPE/clothesapply special protective measures from RAvaccination procedurerecommendations of Schedule 5
17 Reg.. 7 - Information, Training… Provide sufficient training health risks, precautions, hygiene, PPE., accident proceduresother employers/employeeinduction training and updatingwritten instructions, display noticescommunication in the event of an emerg.
18 Reg.. 8 - Reporting Accidents Employee’s duty to report any accident/incident.
19 Reg.. 9 - Records Record of employee exposed to Gp. 3/4 for 10 years for at least 40 years where potential disease indications neededaccess to personal informationaccess to relevant collective informationaccess to relevant agencies, personnel
20 Reg.. 10. Health Surveillance Provide relevant health surveillance
21 Reg. 10. Healthcare/Veterinary Work Pay particular attention to the risks of this workPay particular attention to the uncertainties of such work UNIVERSAL PRECAUTIONSDecontamination/dis-infection proceduresWaste proceduresIsolation facilities - Gp 3 or 4
22 Reg Labs, Animal RoomsDetermine containment measures Gp. 2, 3 or 4 for research, development, teaching or diagnostic purposes.Carryout work in accordance with relevant containment levelUncertainty - level 2 may cause disease but not cultivating/concentrating BAContainment level 3 or 4 when appropriate
23 Schedules 1 - Indicative list of Activities 2 - Risk Reduction Measures3 - Biohazard Sign4 - Classification of Biological Agents (amended by 1998 Regs).
24 Schedules 5 - Vaccination Practice 6 - Health Surveillance 7 - Containment measures/levels8 - Industrial Processes
25 Hierarchy of Controls - Sch. 2 Eliminate - substitute - limit use of agent;limit number of employees exposed;use engineering controls;minimise releaseuse collective (then individual) protective measures;
26 Hierarchy of Controls - Sch. 2 use hygiene measures;use signs;emergency planstesting for agentwaste handlinghandling procedures
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