Product Overview

Summary: This Vehicle Emission Control Safe Operating Procedure sets out a clear, step-by-step approach for managing exhaust emissions from company vehicles and mobile plant in line with Australian WHS and environmental expectations. It helps organisations reduce worker exposure to harmful exhaust fumes, control idling and maintenance practices, and demonstrate due diligence in protecting both people and the environment.

This Vehicle Emission Control SOP is designed for Australian workplaces that operate cars, utes, trucks, buses, forklifts, earthmoving equipment, or other mobile plant. Diesel and petrol exhaust emissions are a recognised workplace hazard, contributing to respiratory illness, cancer risk, and poor air quality in workshops, depots, tunnels, and enclosed work areas. At the same time, regulators and clients increasingly expect businesses to actively manage emissions as part of their WHS and environmental responsibilities. This procedure provides a practical, WHS-focused framework for planning, operating, and maintaining vehicles in a way that reduces exposure to exhaust fumes and supports compliance with your duty of care.

The SOP covers all key stages of the vehicle lifecycle in your operations: pre-start checks, safe parking and idling practices, use of ventilation and extraction systems, segregation of pedestrians from exhaust outlets, and maintenance controls such as regular servicing, emissions testing, and defect reporting. It also addresses contractor and hire vehicles, ensuring consistent standards across mixed fleets. By implementing this SOP, your organisation can demonstrate a systematic approach to controlling diesel and petrol emissions, support worker health, and align with Australian standards and guidance on air quality, hazardous chemicals, and plant safety.

Beyond safety, the procedure supports broader business outcomes by encouraging fuel-efficient driving behaviours, reducing unnecessary idling, and extending engine life through proactive maintenance. It provides clear responsibilities for drivers, supervisors, and maintenance teams, along with documentation and record-keeping requirements that stand up to audits, client prequalification, and regulator enquiries. This makes it an essential inclusion in any modern WHS management system where vehicles or mobile plant are used.

Key Benefits

• Reduce worker exposure to harmful diesel and petrol exhaust emissions in line with WHS obligations.
• Ensure consistent, defensible practices for vehicle idling, ventilation, and maintenance across all sites and depots.
• Demonstrate compliance with Australian WHS legislation and support alignment with environmental and air quality expectations.
• Improve fleet reliability and fuel efficiency through structured emissions-related inspections and servicing.
• Support safer site layouts by integrating vehicle emission controls with traffic management and pedestrian separation.

Who is this for?

• Fleet Managers
• Transport and Logistics Managers
• WHS Managers and Advisors
• Workshop / Maintenance Supervisors
• Operations Managers
• Site Supervisors
• Environmental and Sustainability Managers
• Plant and Equipment Coordinators
• Construction Project Managers
• Depot Managers

Hazards Addressed

• Inhalation of diesel engine exhaust emissions (DEEEs) and petrol exhaust fumes
• Exposure to carbon monoxide and other toxic gases in enclosed or poorly ventilated areas
• Long-term respiratory illness and increased cancer risk from prolonged exhaust exposure
• Heat and burns from hot exhaust components in workshops and depots
• Fire and explosion risks from exhaust systems operating near flammable vapours or materials
• Reduced visibility and air quality from excessive exhaust smoke around work areas
• Noise exposure from poorly maintained engines and exhaust systems

Included Sections

• 1.0 Purpose and Scope
• 2.0 References, Definitions and Abbreviations
• 3.0 Roles and Responsibilities (Drivers, Supervisors, Maintenance, WHS)
• 4.0 Hazard Identification – Vehicle Emissions and Exposure Scenarios
• 5.0 Risk Assessment and Control Hierarchy for Exhaust Emissions
• 6.0 Vehicle Selection and Procurement Requirements (Emissions Performance)
• 7.0 Pre-Start Checks and Emissions-Related Inspections
• 8.0 Operating Requirements – Idling, Ventilation and Parking Practices
• 9.0 Controls for Enclosed and Poorly Ventilated Areas (Workshops, Tunnels, Sheds)
• 10.0 Traffic Management and Pedestrian Separation from Exhaust Outlets
• 11.0 Maintenance, Servicing and Emissions Testing Requirements
• 12.0 Management of Defects, Excessive Smoke and Unroadworthy Vehicles
• 13.0 Contractor, Hire and Visitor Vehicle Requirements
• 14.0 Personal Protective Equipment (PPE) and Respiratory Protection (where applicable)
• 15.0 Incident, Exposure and Near Miss Reporting and Investigation
• 16.0 Training, Competency and Communication
• 17.0 Environmental and Sustainability Considerations (Fuel Efficiency and Idling Reduction)
• 18.0 Records, Documentation and Audit Requirements
• 19.0 Review, Continuous Improvement and Document Control

Legislation & References

• Work Health and Safety Act 2011 (Cth) and harmonised state and territory WHS Acts
• Work Health and Safety Regulations 2011 (Cth) – Hazardous chemicals, plant and general workplace management
• Safe Work Australia – Managing the Work Environment and Facilities: Code of Practice
• Safe Work Australia – Managing Risks of Hazardous Chemicals in the Workplace: Code of Practice
• Safe Work Australia – Managing Risks of Plant in the Workplace: Code of Practice
• National Exposure Standards for Atmospheric Contaminants in the Occupational Environment
• AS/NZS 60079.10.1: Explosive atmospheres – Classification of areas (for exhaust in hazardous areas)
• AS 2740: Methods of measurement of air pollution – Ambient air (guidance on monitoring where applicable)
• AS/NZS ISO 14001: Environmental management systems – Requirements with guidance for use