PARIS – An orange-brown chemical sheet spread over 15 acres (6 hectares) of a nationally recognized marine life area in the French Mediterranean following a leak at a petrochemical plant in southern France, the local fire service said Friday.
The leak at the Lavera refinery spilled 200 gallons or more of iron chloride into the sea, American-owned chemical company Kem One, which runs the plant, said. Contact with iron chloride can harm eyes and mucous membranes, and ingesting it can be fatal.
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Refinery officials said the problem at the processing plant in Martigues, near Marseille, was reported at 1:50 a.m. Thursday. They said the iron chloride spilled from a tank onto a faulty safety system, which flooded into the nearby sewage systems and into the sea.
The area of the Mediterranean where the chemical ended up is listed on a French inventory as an ecosystem of outstanding natural fauna and flora for its coral and sea life. Authorities at the scene said they observed fish that were killed by the spill.
The French Maritime Prefecture banned leisure boat cruising, swimming, fishing, and diving in about four miles of the along the coast surrounding the contaminated area until at least midnight Friday. The prefecture told The Associated Press it was awaiting toxicity test results before declaring the waters safe.
The AP reviewed four legal orders from local authorities to the plant's management demanding more stringent safety rules, the reinforcement of storage equipment and adherence to the refinery's liquid waste management guidelines.
About 40 firefighters dispatched to the site where unable to stop the chemical spill, the Marseille fire service told The Associated Press. The polluted area receded to 2.5 acres (1 hectare) by 6:30 p.m. Thursday, and by Friday morning, the brown color had all but disappeared from the sea's surface.
French environmental association Robin des Bois said it planned to file a legal complaint against plant officials for polluting the sea and other issues based on its damage assessment. The association said it suspects that coral and other sea creatures were burned or poisoned by the spilled iron chloride.
The group's spokesperson, Charlotte Nithart, told AP the plant “has been on our radar for a few years” and needs a “profound inspection” of its storage capacity.
French Environment Minister Barbara Pompili said on Twitter on Thursday “the damage that will be determined will be repaired by those responsible for it.”
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Thomas Adamson contributed to this story.