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By Michael Griffiths
Virtually all commercial quantities of Class 1 explosives used in the Australian mining industry are imported through a single port: Port Alma, located between Gladstone and Rockhampton in Queensland.
For importers using chartered vessels, one of the most significant risks is not only the dangerous goods classification of the cargo. It is the potential for quarantine-contaminated cargo, particularly contamination associated with the Brown Marmorated Stink Bug, or BMSB.
This risk can have serious operational, regulatory and financial consequences.
Why quarantine risk matters at Port Alma
On arrival, every container is subject to external inspection by officers from the Federal Department of Agriculture, Fisheries and Forestry, known as DAFF. Containers cannot be discharged until this inspection has been completed.
If contaminants are detected, the response can escalate quickly. Contamination may include insects, snails, soil or other foreign material. Depending on the nature and extent of the contamination, DAFF may require physical cleaning, external washing, container fumigation or, in more serious cases, fumigation of the entire vessel.
Australia maintains some of the strictest quarantine controls in the world. BMSB is treated as a high-priority biosecurity threat because its introduction could have serious consequences for Australia’s agricultural sector. Any detection of BMSB triggers immediate mandatory DAFF intervention, with both environmental and financial implications for the agricultural industry.
The cost of getting it wrong
In the most serious cases, vessels with contaminated containers have been ordered back to anchorage while treatment arrangements are made. These delays can be substantial.
In some cases, importers have faced costs exceeding one million dollars. A contamination event may also result in the importer being treated as higher risk, leading to increased scrutiny on future shipments.
For explosives importers, this creates a clear operational lesson: quarantine risk cannot be treated as an arrival issue. By the time the vessel reaches Port Alma, many of the practical controls that could have reduced the risk may already have been missed.
Prevention starts at the load port
Many of the quarantine risks that arise at the discharge port can be mitigated, or avoided entirely, through proper preparation before loading.
Recommended controls include cleaning, washing and fumigating containers before they are loaded; removing foreign material from container exteriors; and instructing the vessel to wash containers with salt water during transit.
Vessel selection is also critical. Before loading, importers should ensure the selected vessel is suitable and that cargo holds are free from actionable residues.
These measures are practical, but they need to be planned early. They should form part of the import preparation process, not be treated as last-minute vessel instructions.
Final reflection
The import of explosives by charter vessel is a specialised operation. It requires more than dangerous goods compliance alone. Importers must also understand and manage the biosecurity and quarantine risks that apply to the vessel, the containers and the discharge port.
For Port Alma shipments, preparation at the load port is one of the strongest controls available. Cleaning, inspection, fumigation where required, vessel selection and clear transit instructions can materially reduce the risk of DAFF intervention, vessel delay and avoidable cost.
Importers remain responsible for understanding and complying with all relevant local, state and federal legislation. Further information is available from DAFF’s seasonal measures for Brown Marmorated Stink Bug guidance.