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An Introduction to CoSHH

An Introduction to CoSHH. (Control of Substances Hazardous to Health Regulations,2004). What is a hazardous substance under the Regulations?. Substances & mixtures classified as dangerous under CHIP – ( Chemicals (Hazard Information and Packaging for Supply) Regulations 2008  )

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An Introduction to CoSHH

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  1. An Introduction to CoSHH (Control of Substances Hazardous to Health Regulations,2004)

  2. What is a hazardous substance under the Regulations? • Substances & mixtures classified as dangerous under CHIP – (Chemicals (Hazard Information and Packaging for Supply) Regulations 2008 ) • Substances with WELs (Workplace exposure limits) • Biological agents • Some dusts, especially in high concentrations • Other substances of comparable hazard

  3. What are NOT hazardous substances under CoSHH? • Lead and Asbestos (separate regulations) • Substances only hazardous due to: • Radio-activity • Simple asphyxiants • High pressure or extremes of temperature • Biological agents not connected with work • Eg Swine flu or catching a cold from a colleague • Labels are a good guide!

  4. What must an employer do? • Eliminate or reduce risks from hazardous substances • This is achieved by: • Risk assessment • Control measures • Monitoring health & exposure if necessary • Information, training and supervision

  5. What must an employee do? • Take reasonable care of our own safety and not endanger others • Cooperate with our employer • Make full and proper use of control measure Just reiterating our duties under HSAW

  6. Step 1 :Risk Assessment for CoSHH • Identify the hazardous substance(s) eg • Chemicals • Biological materials • Mixtures • Proprietary products • Reaction products and intermediates

  7. Step 1 :Risk Assessment for CoSHH New International Hazard Symbols Danger Flammable Oxidiser

  8. Step 1 :Risk Assessment for CoSHH New International Hazard Symbols Explosive Corrosive Compressed or liquefied gas

  9. Step 1 :Risk Assessment for CoSHH New International Hazard Symbols Aquatic Warning Sensitiser, carcinogen, Toxicity mutagen or teratogen

  10. OTHER SYMBOLS YOU MIGHT SEE – WHAT DO THEY MEAN?

  11. FLAMMABLE EXPLOSIVE HARMFUL TO THE ENVIRONMENT HIGHLY FLAMMABLE TOXIC IRRITANT / HARMFUL CORROSIVE VERY TOXIC OXIDISING BIOLOGICAL AGENT

  12. Step 1:Other sources of information • Use available data eg. • Data sheets & labels • Workplace exposure limits (WELs) – see Safety Services web site • On-line databases • Previous experience & publications (Especially for novel products)

  13. Step 1Decide who is at risk and how • Staff • Students • Others • Consider their current training (if any) and their background

  14. Step 1:Decide who is at risk and how • Inhalation • Skin or eye contamination • Ingestion • Injection

  15. Step 1:Evaluate the Risk Factors to Consider: • Toxicity • Form (gas, spray, dust, liquid, solid) • Solubility • Amount (weight &/or volume) • Nature of the operation • Length of exposure • Number of people involved OR

  16. Step 2: Decide on Control Measures • Control exposure in proportion to riskby using the hierarchy of controls. • Personal protective equipment should be a last resort as the prime means of control ?

  17. Step 3: Use of Control Measures (1) • Replace substance with a safer alternative • Eg use a lower hazard disinfectant rather than bleach (irritant) if it will do the job adequately

  18. Step 3: Use of Control Measures (2) • Use the material in a safer form eg: • Use water-based paint instead of solvent-based paint • Buy hazardous materials in pre-weighed sachets rather than having to measure & make-up from bulk quantities

  19. Step 3: Use of Control Measures (3) • Control the operation eg • Isolate the work • Control at source • Fume cupboard • Local exhaust ventilation • Reduce the number of workers • Reduce the frequency

  20. Step 3: Use of Control Measures (4) • Personal protective equipment as a last resort: • Protects only the worker & not others in the room • Training & maintenance required • Often not very comfortable

  21. Step 3: Use of Control Measures (5) • Good laboratory techniques is vital eg. • Labelling • Correct substance storage • Warning signs where appropriate • Cleanliness & tidiness • Correct waste disposal

  22. Step 4: Maintenance of control measures • Must be kept in good repair & working properly • Regular simple checks on airflow • LEV & fume cupboards must have engineering checks every 14 months • Records kept for 5 years

  23. Step 5:Monitor Exposure • Measure concentrations where assessment concludes that: • There is a serious risk if controls fail • Exposure limits may be exceeded • Control measures may not be working properly • Employees are involved in certain specific work in Schedule 5 (unlikely in the University apart from possibly use of vinyl chloride monomer) • Records must be kept for 5 years

  24. Step 6:Health Surveillance • Only required if: • Significant exposure of Schedule 6 processes (apart from vinyl chloride use, these are all manufacturing processes) • Likelihood of exposure to substances linked to specific diseases but only if: • There is a reasonable likelihood that this will occur • It is actually possible to detect the disease or effect • Records to be kept for 40 years

  25. Step 7: Derive safe working procedures • Preparation phase(eg weighing out) • The process itself • Safe waste disposal • Emergency procedures • Spillage • Fire • First aid

  26. Step 8:Workers must have adequate: • Information • Instruction • Training • Supervision • This will include the procedures themselves and what to do in an emergency

  27. Step 9:Check and review: • Are the control measures adequate? • Are they working correctly? • Is everyone aware of how to use them? • Have you the necessary equipment to deal with an emergency or malfunction?

  28. What now? • If you are working in a Science, Medicine or Engineering department, you should now find out the specific forms and methods used in your department for CoSHH assessments. • If you are working mainly with proprietary products (cleaning materials, lubricants, household chemicals etc), you may find it useful to complete the presentation on examining data sheets

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