ROSNEFT has strongly denied that any of its regional subsidiaries are the source of an oil spill discovered in Russia's sector of the Black Sea this week. Russia's largest oil producer was quick to release a statement denying culpability after oil was spotted on a beach near the port of Tuapse on 24 May. The country's environmental watchdog, Rosprirodnadzor, estimated the size of the polluted sea area at more than 1.1 square kilometres. A brief investigation -organised by the watchdog with the help of divers -revealed that oil is seeping from a large-diameter pipe used by the city of Tuapse to dump sewage into the deep-water area of the Black Sea about 800 metres from shore.
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