Work safely with chemicals Get guidance, permits and procedures for safe chemical use. Use the links below to access guidance and procedures for working safely with chemicals. Inventory management (including Chemwatch) Use Chemwatch to manage inventories, safety data sheets, risk assessments and labelling. Hazardous chemicals and controlled substances Identify, label and manage hazardous chemicals safely and compliantly. Prohibited and restricted carcinogens Get authorisation and follow procedures for using prohibited and restricted carcinogens. Medicines and poisons Apply for approval and follow rules for using scheduled medicines and poisons.