hazardous substances n.
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Hazardous Substances

Hazardous Substances

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Hazardous Substances

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  1. Hazardous Substances

  2. Purpose of Presentation This is a guide to the management of hazardous substances in DECS worksites. It includes advice about: • responsibilities of managers and employees • purchasing • safety information (ChemWatch and MSDSs) • risk assessment and control options • labelling • storage (classes of substances) • disposal • where to get further advice

  3. Definition:Hazardous Substance A substance that has the potential to cause illness or injury as identified by the manufacturer or importer and is included on the The Australian Safety and Compensation Council (formally NOHSC) list of designated hazardous substances.

  4. DECS Hazardous Substances Procedure provides direction to managers and employees for the development and implementation of safe systems of work in relation to the purchase, assessment, use, storage and disposal of designated hazardous substances Download Here

  5. Duties of Managers Worksite managers must develop and implement appropriate systems of work for the: • purchase • use • storage • disposal ………. of all substances

  6. Duties of Employees • Use non hazardous substances where possible • Only use those hazardous substances on the approved substances list • Refer to Guidelines for Ordering and Preparing to use Substances • Use the substance in accordance with the risk assessment and appropriate control options

  7. Information about substances • The ChemWatch database contains information about a vast number of substances • ChemWatch is available on CD-ROM from Health and Safety Services and Online • ChemWatch can assist in: • Identifying hazardous substances • Printing MSDS • Printing Labels • Maintaining registers and manifests • Conducting risk assessments

  8. ChemWatch ChemWatch front screen

  9. Hazardous/Non Hazardous • ChemWatch identifies the hazardous status of substances

  10. Hazardous Substances Register • Sites must maintain a register of all Hazardous Substances according to the OHS&W Regulations 4.1.11 • An example of a Hazardous Substances register template can be found on the OHS Website • Hazardous Substances register must be readily accessible • Material Safety Data Sheets (MSDS) must be included in the register

  11. Material Safety Data Sheet (MSDS) MSDSs, available from supplier or ChemWatch, provide essential information describing: • Properties • Safe storage • Uses • Health Hazard information • Precautions for use • Safe Handling information • Procedures for emergencies • Disposal

  12. Example Mini MSDS from ChemWatch

  13. Risk Assessment • risk assessments must be completed and control options implemented for all designated hazardous substances • risk assessments for approved substances have been completed using ChemWatch and are available; see approved substances list • risk assessments must consider how the substance will be used, and by whom

  14. Control Options • Personal Protective Equipment (PPE) is the last option in the Hierarchy of Controls • Ensure appropriate control measures are in place when handling hazardous substances • PPE should be provided by Site Managers and worn by employees when required • In special circumstances, information, instruction and training must be provided on the use and maintenance of PPE

  15. Guidelines for Ordering and Preparing to use Substances from Hazardous Substances Procedure Download this document

  16. Labelling • All containers holding substances must be correctly labelled according to the OHS&W Regulations 4.1.10 • ChemWatch can generate labels for all substances Label generated in ChemWatch

  17. Chemical Storage Hazardous Substances must be kept in locked storage, with no unsupervised student access Storage Areas to be clearly signed Storage of substances is based on the Dangerous Goods classification Click here for detailed information on chemical storage Click here to continue

  18. StorageConsiderations Some classes of chemicals must be segregated from other classes because of their reaction potential with other chemical classes. Flammable substances must be segregated (Classes 3, 4.1 and 4.3) Spontaneous Combustibles must be segregated (Class 4.2) Oxidisers must be segregated (Class 5) Corrosives must be segregated (Class 8) (see individual Class slides for more details on storage) Index (back), Exit classes

  19. Subsidiary Risk • Do not dispose of any hazardous substances in general rubbish bins • Ensure compliance with requirements on MSDS and labels • Use the DECS bulk hazardous substances pickup when programmed • Contact your local council for information • In an emergency spill situation, contact the MFS or CFS and inform Health & Safety Services

  20. Training • OHS&W Regulations (1995) require Site Managers to provide training for all staff using hazardous substances

  21. Codes of Practice • Approved codes of practice under the OHS&W Act relevant to the use of hazardous substances include: • Code of Practice for the Control of Workplace Hazardous Substances • Code of Practice for the Preparation of Material Safety Data Sheets • Code of Practice for the Labelling of Workplace Substances

  22. Codes of Practice cont • See Also: • Code of Practice for the Safe Use of Ionizing Radiation in Secondary Schools • Code of Practice for the Safe Removal of Asbestos • Code of Practice for Asbestos Work • Code of Practice for the Safe Use of Synthetic Mineral Fibres • More are available from

  23. What do I need to do if I want to use a substance? • Check if the substance is hazardous or non-hazardous (use ChemWatch) • If non-hazardous, proceed with purchase and follow safety info on label • If hazardous, check Approved Substances List (or seek non-hazardous alternative) • If substance is not on list, do not proceed with purchase, seek non-hazardous alternative

  24. Summary • Hazardous substances must be identified • Risk assessments must be completed • Control options must be in place for all substances: • Training (including safe work practices) • Purchasing procedures • Disposal • Engineering and Substitution considered • Labelling • Registers & Storage • Personal protective equipment (PPE)

  25. Need More information? • Hazardous Substances section of the OHSW Website(this site includes information on using ChemWatch) • Hazardous Substances Procedure • SafeWork SA • WorkCover Website • Health & Safety Services – 8226 1440