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Mixing of incompatible products

  • Fact sheet
Transfer of chemicals between fixed and mobile tanks may cause mixtures of incompatible products. This risk is all the more pernicious as the mixture usually involves "classic" substances and widely used: bleach, acid ... This fact sheet presents some lessons learnt from the accidentology.
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CO2 Extinguishing Systems

CO2 extinguishing systems

  • Flash
Gas-based extinguishing processes become attractive when water cannot be used (e.g. computer equipment, audio/video archives, ship engine rooms), yet the associated risks must not be underestimated, as witnessed by the example of CO2 systems.
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Explosions followed a fire at an oil depot

  • Accident report

Explosions followed by fire ripped through a fuel storage depot in Buncefield, England, located just 40 km north of London. The facility was storing 150,000 t of fuel (petrol, diesel fuel and kerosene) at the time of the accident. The 1st and largest explosion occurred at 6.01 am (measuring 2.4 on the Richter scale) and was heard 160 km away. The overpressure effects from the blast reached 700 to 1,000 mbar. Two other explosions occurred at 6.27 and 6.28 am. A gigantic blackish cloud containing irritating substances drifted across southern Engl [...]

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FFO Leak In A Petrol Station

FFO leak in a petrol station

  • Accident report

In a SEVESO-rated oil depot at 5:20 am, a truck driver notified a technician after observing an anomaly on pumping plant no. 1. The technician manually closed the pump feed valve, and the site was placed in safe operating mode by activating the emergency shutdown routine. Fuel flowed into the hydrocarbon separator, whose float stop valve was operational; the valve did not instantaneously close and pollution reached the SEINE River (iridescence over its entire width along a 3-km stretch). No measures however were implemented to treat the polluti [...]

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Fire Followed By Pollution Of A Stream

Fire followed by pollution of a stream

  • Accident report
On a Saturday night, fire broke out near the Antwerp Port inside a group of warehouses classified as hazardous under the SEVESO 2 Directive, in particular for their storage of bromine, formaldehyde and extremely toxic, explosive or highly inflammable substances. Since the company was specialised in freight storage, handling and distribution activities, the quantity of hazardous materials present onsite varied considerably over time. The fire occurred in a warehouse (C) containing only hazardous substances and then spread to warehouse (B), housi [...]
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