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Deadly arc-flash explosion at a petrol station

  • FRANCE
At around 11:30 a.m., a flash in the presence of petrol fumes occurred inside the manhole of one of the three compartments (two containing SP95 and one containing E10) of a 60 m³ underground fuel tank at the petrol station of a[...]
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Inadequate use of available feedback

Although the practice of technical feedback seems complex and costly, its contribution to the safety of installations is inestimable: it helps to identify and prevent accidental contexts that could not be detected otherwise. Learning lessons from the past is also[...]
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Striking a balance between prevention, mitigation and intervention

Risk management stakeholders' attention is naturally focused on the identification and reduction of hazard potentials, as well as on technical and organizational measures to reduce the likelihood of accidents. Whatever the effectiveness of the latter, the risk management approach can[...]
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Human error or organizational failure ?

In recent decades, companies have developed technical measures to improve the reliability of their installations over time and to prevent industrial risks. Safety management systems were then put in place to ensure the robustness of the whole. Progress has been[...]
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Extended release of mercaptans from a chemical plant

  • FRANCE
Around 8:00 a.m., an operator smelled mercaptans (strong-smelling gas 110 °C). The operators assigned to performing weekend rounds failed to notice that the mixer was operating although the light on the panel was lit and the shaft at the top of the[...]
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Fire outbreak on a stripping unit inside a steel mill

  • FRANCE
Fire was detected at 10:05 pm in the stainless steel sheet stripping unit of an upper-tier Seveso metallurgical plant. The surface treatment line, composed of 7 unheated polypropylene tanks (5 containing hydrochloric acid, 1 containing hydrofluoric acid, 1 containing nitric[...]
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Breakage of a black liquor tank

  • FRANCE
At 2:30 pm inside a paper mill located 5 km east of Arcachon Bay, a 5,000-m³ black liquor tank ruptured. Black liquor is a highly alkaline paper manufacturing residue composed of organic matter, soda and other chemical products; it serves[...]
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Accidental release of phosgene on a chemical platform

  • FRANCE
Around 10:30 pm in the isocyanate unit at a chemical plant, a sensor detected a rapid conductivity rise in a heat exchanger, in which phosgene (COCl2) pressurised to tens of bar was being reheated with water vapour at 28 bar before[...]
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Triggering Of The Foam Extinction System Inside A Chemicals Firm

Triggering of the foam extinction system inside a chemicals firm

  • FRANCE
At 6:56 pm inside a warehouse for phytosanitary products assigned an upper-tier Seveso classification, the activation of a foam-based automatic extinction system installed in a 1,000-m² cell brought fire-fighters to the scene 44 min later. By the time responders arrived,[...]
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Leak On A Kerosene Pipeline

Leak on a kerosene pipeline

  • ALLEMAGNE
A kerosene leak (A1 jet category) was detected on a pipeline (nominal diameter DN: 108, pressure: 13.8 bar, operational since: 1942) connecting a refinery to a storage area outside the oil platform site. The quantity of lost product was estimated[...]
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