Managing risks of hazardous chemicals in the workplace ...

1 Managing risks of hazardous chemicals in the workplace Code of Practice 2021 PN12641 ISBN Creative Commons This copyright work is licensed under a Creative Commons Attribution-Noncommercial International licence. To view a copy of this licence, visit In essence, you are free to copy, communicate and adapt the work for non-commercial purposes, as long as you attribute the work to Safe Work Australia and abide by the other licence terms. Contents Contents .. 3 Foreword .. 5 1. Introduction .. 7 What are hazardous chemicals ?

2 7 Who has health and safety duties in relation to hazardous chemicals ? .. 7 What is required to manage the risks associated with hazardous chemicals ? .. 10 Prohibited and restricted hazardous 11 Exposure standards .. 12 Preparing a register and manifest of hazardous chemicals .. 12 2. Identifying hazards .. 14 How to identify which chemicals are hazardous .. 14 safety data sheets (SDS) .. 14 Labels .. 17 Other sources of information .. 18 3. The risk management process .. 20 Decide who should do the assessment.

3 20 Decide what sort of risk assessment is appropriate .. 21 Things to consider in assessing health risks .. 22 How to assess physical risks .. 26 4. Controlling risks .. 32 The hierarchy of control measures .. 32 Specific control measures .. 37 Maintaining control measures .. 43 Providing information, training, instruction and supervision .. 44 5. Monitoring and review .. 46 Health monitoring .. 46 Reviewing control measures .. 47 6. Emergency preparedness .. 49 Emergency plan .. 49 Emergency equipment and safety equipment.

4 51 Fire protection systems .. 52 Monitors and alarms .. 53 Automatic sprinkler systems .. 53 Water supply .. 53 Appendix A Glossary .. 54 Managing risks of hazardous chemicals in the workplace Code of Practice 2021 Page 4 of 105 Appendix B Comparison of hazard classes and categories under the ADG Code and the 58 Appendix C Prohibited carcinogens, restricted carcinogens and restricted hazardous chemicals .. 61 Appendix D Placard and manifest quantities .. 65 Appendix E Requirements for health monitoring .. 72 Appendix F Overview of a risk assessment process.

5 75 Appendix G Risk assessment checklist .. 76 Appendix H Examples of common fuel and oxygen sources .. 78 Appendix I Fire and explosion risks .. 80 Appendix J Practical examples of control measures .. 84 Safe management of higher hazard chemicals .. 85 Appendix K Case studies .. 90 Case study 1: Motor vehicle finishing workshop .. 90 Case study 2: Vapour Degreasing Operation .. 98 Case study 3: Cleaning offices .. 100 Case study 4: Pesticide spraying .. 102 Managing risks of hazardous chemicals in the workplace Code of Practice Page 5 of 105 Foreword This Code of Practice on how to manage the risks associated with hazardous chemicals in the workplace is an approved code of practice under section 274 of the Work Health and safety Act 2011 (WHS Act).

6 An approved code of practice is a practical guide to achieving the standards of health, safety and welfare required under the WHS Act and the Work Health and safety Regulation 2011 (WHS Regulation). Under section 26A of the WHS Act duty holders must comply with an approved code of practice or follow another method, such as a technical or industry standard, if it provides an equivalent or higher standard of work health and safety than the standard required in this code. A code of practice applies to anyone who has a duty of care in the circumstances described in the code.

7 In most cases, following an approved code of practice would achieve compliance with the health and safety duties in the WHS Act, in relation to the subject matter of the code. Like regulations, codes of practice deal with particular issues and do not cover all hazards or risks that may arise. The health and safety duties require duty holders to consider all risks associated with work, not only those for which regulations and codes of practice exist. Codes of practice are admissible in court proceedings under the WHS Act and WHS Regulation.

8 Courts may regard a code of practice as evidence of what is known about a hazard, risk or control and may rely on the code in determining what is reasonably practicable in the circumstances to which the code relates. An inspector may refer to an approved code of practice when issuing an improvement or prohibition notice. This may include issuing an improvement notice for failure to comply with a code of practice where equivalent or higher standards of work health and safety have not been demonstrated. Scope and application This code is intended to be read by a person conducting a business or undertaking (PCBU).

9 It provides practical guidance to PCBUs on how to manage health and safety risks associated with hazardous chemicals used in their workplace . A PCBU can be a manufacturer, importer or supplier of hazardous chemicals , or a business owner who uses, handles, generates or stores hazardous chemicals at their workplace . They may also be more than one of these things. This code may be a useful reference for other persons interested in the duties under the WHS Act and the WHS Regulation. This code applies to all types of work and all workplaces covered by the WHS Act.

10 This code applies to: substances, mixtures and articles used, handled, generated or stored at the workplace which are defined as hazardous chemicals under the WHS Regulation the generation of hazardous chemicals from work processes, for example toxic fumes released during welding. This code does not apply to the transportation of dangerous goods or explosives which are subject to state and territory laws based on the requirements under the Australian Code for the Transport of Dangerous Goods by Road and Rail (ADG Code) and the Australian Code for the Transport of Explosives by Road and Rail 3rd edition.