In a refinery, the water contained in storage tanks (gasoline and diesel) was being periodically channelled into a sump and then pumped to a drip basin prior to treatment. During a manual drainage step, 20 m³ of liquid and vaporised[...]
A thick cloud was observed for 45 min near a plant producing titanium dioxide. The gases stemming from the attack on ores (slag) by sulphuric acid were normally treated in a processing and regeneration unit. This attack and the gas[...]
At a site on the urban fringe specialised in packaging industrial gases, 4 kg of chlorine (Cl2) escaped during a transfer between bottles. The "source" bottle, which had been heated to 50°C by an electric blanket, contained 8.2 kg of[...]
Inside a synthetic fibre factory, a leak estimated at 4,000 litres of acid solution, containing 200 kg of hydrocyanic acid (HCN), occurred within an acrylonitrile production unit. This leak was situated at the level of a pipeline running between a[...]
Around 11:30 pm, a strong smell of hydrocarbons was indicated by residents living near a petroleum depot located along the banks of the Seine River immediately after the pipeline delivery of 2,640 m³ of unleaded gasoline. Arriving on-site at midnight,[...]
In a plant manufacturing titanium dioxide-based dyes, 600 kg of sulphur dioxide/trioxide and sulphuric acid (so-called sulphuric fog) were released into the atmosphere over a 45-min stretch. The accident was due to a malfunction of the controller managing atmospheric discharge[...]
A local resident notified the fire department and government authorities after observing suspicious smoke escaping from a 2,000-m² hangar housing some 8,000 tonnes of bone meal (max. storage height: 10 m). The suspicious parts were covered; however, fumes were once[...]
A monomer vinyl chloride (MVC) leak occurred on a 27-m³ autoclave in a polyvinyl chloride (PVC) workshop at a chemical plant. Monomer polymerisation was dispersed in water at 6 to 9 bar of pressure and a temperature of 40° to[...]
In the 15th district in Paris, 8 cases of group contamination with legionellosis were detected on 1 September while the first symptoms were identified as early as 8 August. One patient died. The media pressure rose rapidly. The results of[...]
The lower part of a waste feed chute on a furnace (capacity: 28 tonnes/hr) at an incineration plant exploded. A technician was violently thrown and sustained serious injuries. Water under 3 bar of pressure cooled the base of the chute,[...]
