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The 2000 Baia Mare Cyanide spill was a leak of cyanide near Baia Mare, Romania, into the Someș River by the gold mining company Aurul, a joint-venture of the Australian company Esmeralda Exploration and the Romanian government.
On January 30 at 22:00, a dam was breached ("broken") at the operations of the Aurul SA Company in Baia Mare, northwest Romania. The result was a spill of about 100,000 cubic meters of liquid and suspended waste containing about 50 to 100 tonnes of cyanide, as well as heavy metals including copper.
6 mar 2000 · On 30 January 2000, following a breach in the tailing dam of the Aurul SA Baia Mare Company, a major spill of cyanide-rich tailings waste was released into the river system near Baia Mare in north west Romania. The contaminant travelled via tributaries into the river Somes, Tisza and finally into the Danube before reaching the Black Sea.
30 sty 2000 · Cyanide sill occurs in Baia Mare, Romania [1]. 11pm - Aurul notifies local EPA and shuts down activity, starts to close breach. Notification of local and national authorities in Romania and downstream trans-boundary authorities in Hungary, Serbia, Bulgaria. Treatment of spillage with hypochlorite. Spill plume reaches Romanian-Hungarian border [2].
On 30 January 2000, following a breach in the tailing dam of the Aurul SA Baia Mare Company, a major spill of cyanide-rich tailings waste was released into the river system near Baia...
Baia Mare and along the pollution path in Romania, Hungary and Serbia. These analyses revealed that 3 weeks after the accident, cyanide traces were more prevalent in the surface water of small rivers (SASAR, LAPUS and SZAMOS) than in either the TISZA or DANUBE, whose higher flow rates served to dilute pollution intensity.
A toxic spill occurred on January 30th 2000, the dam containing toxic waste material from the Baia Mare Aurul gold mine in north western Romania burst and released 100.000 cubic meters of waste water, heavily contaminated with cyanide, into the Lapus and Somes tributaries of the river Tisza, one of the biggest in Hungary.