​Other substance (HAZMAT)

Other substances not covered under the biological, chemical or radiological hazards which are capable of causing loss of life, injury to a person or damage to the health of a person, property or the environment. These substances include dangerous goods and petroleum and can also take the form of emissions from fires, or odours from situations including mixed products that may involve plastics, tyres, mixed chemicals as well as wastes and scrap metals.

Radiologic​al substanceThere is a risk of a radiological substance emergency wherever radiological substances are manufactured, used, stored or transported. These substances are capable of causing loss of life, injury to people, and impacts to the environment and property.
Radiatio​n​: Nuclear powered warship​If when traversing WA waters, the fuel in a nuclear-powered warship melted, hazards could result from direct radiation from the vessel, radiation from a drifting cloud, inhalation of airborne particles and ingestion of contaminated food and water. Arrangements are in place to limit the consequences.

Rail ​​​crash 

​Western Australia has more than 5000 km of freight rail network. Despite ongoing maintenance, it is not possible to eliminate the risk of derailment, collision, malicious act or other rail incidents on the network. Such an event could significantly disrupt the flow of vital services. ​

On a typic​​al weekday, more than 1000 passenger train services operate within Western Australia, with additional trains servicing regional centres. A derailment or collision on such a service could result in a mass casualty incident requiring substantial resources and coordination.​

Road cra​sh​On average, 192 people are killed in car crashes every year in WA. A single road crash can result in numerous fatalities and injuries such as the road crash in Kempsey, NSW, in 1989 that caused the deaths of 35 people and injured 41.
Spac​​e re-entry​ debris​

​Space debris has descended out of orbit at an average rate of about one object per day for the past 50 years (2011). In 1979 debris from Skylab landed south-east of Perth and was found between Esperance and Rawlinna.​


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​​Storms can be both deadly and destructive. Storms have killed over 770 people in Australia since 1824. Hailstorms in Perth in 2010 were the costliest event in WA history causing over $1 billion worth of damage.​

​​​Terr​orism​​​​A number of terror organisations and cells have been identified as operating or having a presence in Australia. Their activities have varied from fundraising and providing material support for terror activities overseas to plotting and undertaking domestic terrorism. The emergence of Islamic State has raised concerns globally.


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Several tsunamis have reached WA over the past few decades. In 2006 a tsunami inundated the Steep Point area, near Shark Bay, causing widespread erosion of roads and sand dunes. It damaged vegetation and destroyed several campsites. Significant losses could be expected if a similar tsunami were to hit a populated area.​