Product Overview

Summary: This Soil Sampling Protocols Safe Operating Procedure sets out a clear, defensible process for collecting, handling and transporting soil samples safely and accurately on Australian worksites. It helps organisations meet WHS and environmental obligations while ensuring that sample results are reliable enough to support regulatory reporting, contamination assessments and project decisions.

Soil sampling is a critical activity across construction, infrastructure, mining, agriculture and contaminated land projects in Australia. Done poorly, it can expose workers to hazardous contaminants, generate misleading laboratory results and create significant regulatory and legal risk. This Soil Sampling Protocols Safe Operating Procedure provides a structured, step‑by‑step framework that integrates WHS requirements with technical sampling best practice, ensuring that every sample collected is both safe and scientifically defensible.

The SOP covers the full lifecycle of soil sampling activities: from pre‑start planning, desktop review and risk assessment through to on‑site controls, decontamination, chain of custody and transport to the laboratory. It addresses common Australian contexts such as suspected asbestos‑contaminated soils, PFAS, heavy metals, hydrocarbons and agricultural chemicals, and aligns with relevant environmental and WHS guidance. By adopting this procedure, organisations can reduce worker exposure to soil‑borne hazards, minimise cross‑contamination, and demonstrate due diligence to regulators, clients and auditors. It is designed to be easily integrated into existing WHS management systems and to support consistent training of field personnel across multiple projects and locations.

Key Benefits

• Ensure consistent, defensible soil sampling that stands up to regulatory and legal scrutiny.
• Reduce worker exposure to contaminated soils, buried services and fieldwork hazards.
• Streamline field operations with clear, step‑by‑step instructions and standardised documentation.
• Minimise sample cross‑contamination and data quality issues that can delay projects or trigger re‑work.
• Support compliance with Australian WHS, environmental and contaminated land requirements.

Who is this for?

• Environmental Scientists
• Contaminated Land Consultants
• Geotechnical Engineers
• Site Supervisors
• Drillers and Offsiders
• WHS Managers
• Field Technicians
• Construction Project Managers
• Agronomists
• Local Government Environmental Officers

Hazards Addressed

• Exposure to contaminated soils containing heavy metals, hydrocarbons, pesticides or PFAS
• Exposure to asbestos‑contaminated soils and dust inhalation risks
• Manual handling injuries from lifting augers, sample bags, cores and eskies
• Slips, trips and falls on uneven, excavated or vegetated terrain
• Struck‑by or caught‑between incidents around drilling rigs, plant and vehicles
• Contact with underground services such as electricity, gas, water and telecommunications
• Heat stress, dehydration and sun exposure during extended outdoor fieldwork
• Biological hazards including sharps, animal faeces, mould and pathogenic organisms in soil
• Chemical exposure from preservatives, solvents or disinfectants used in decontamination
• Vehicle and traffic interaction risks when sampling near roads or active worksites

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Abbreviations
• 3.0 Applicable Legislation, Standards and Guidance
• 4.0 Roles and Responsibilities
• 5.0 Competency, Training and Authorisation Requirements
• 6.0 Pre‑Planning and Desktop Review
• 7.0 Risk Assessment and Safe Work Method Integration
• 8.0 Site Access, Induction and Communication
• 9.0 Required Equipment, Tools and PPE
• 10.0 Underground Services Location and Permit‑to‑Dig Requirements
• 11.0 Soil Sampling Design and Location Selection
• 12.0 Field Set‑Up and Exclusion Zones
• 13.0 Step‑by‑Step Soil Sampling Procedures (Hand Tools, Augers, Rigs and Test Pits)
• 14.0 Controls for Contaminated and Asbestos‑Containing Soils
• 15.0 Decontamination of Equipment and Prevention of Cross‑Contamination
• 16.0 Sample Labelling, Preservation and Storage
• 17.0 Chain of Custody, Documentation and Recordkeeping
• 18.0 Transport of Samples to Laboratory
• 19.0 Waste Management and Disposal of Residual Soils and Consumables
• 20.0 Incident Management, Spills and Exposure Response
• 21.0 Environmental Protection and Community Considerations
• 22.0 Inspection, Monitoring and Review of the Procedure
• 23.0 Document Control and Version History

Legislation & References

• Work Health and Safety Act 2011 (Cth) and corresponding state and territory WHS Acts
• Work Health and Safety Regulations 2011 and corresponding state and territory WHS Regulations
• Safe Work Australia – How to Manage Work Health and Safety Risks Code of Practice
• Safe Work Australia – Hazardous Manual Tasks Code of Practice
• Safe Work Australia – Managing Risks of Hazardous Chemicals in the Workplace Code of Practice
• Safe Work Australia – Managing Asbestos and Asbestos-Containing Materials in the Workplace Code of Practice
• AS/NZS 4801: Occupational health and safety management systems (superseded but commonly referenced)
• ISO 45001: Occupational health and safety management systems – Requirements with guidance for use
• National Environment Protection (Assessment of Site Contamination) Measure (NEPM) 1999 (as amended)
• Relevant state and territory contaminated land and environmental protection guidelines (e.g. EPA sampling guidelines)