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Hungary sludge flood called 'ecological disaster'

Tunde Erdelyi saves her cat from their yard flooded by toxic mud in the town of Devecser, Hungary. A reservoir holding the sludge from an alumina plant ruptured Monday.

Associated Press

Tunde Erdelyi saves her cat from their yard flooded by toxic mud in the town of Devecser, Hungary. A reservoir holding the sludge from an alumina plant ruptured Monday.

KOLONTAR, Hungary — A lethal torrent of toxic red sludge from a metal refinery engulfed towns in Hungary, burning villagers through their clothes and threatening an ecological disaster Tuesday as it swept toward the Danube River.

The flood of caustic red mud triggered a state of emergency declaration by Hungarian officials. At least four people were killed, six were missing and 120 injured, many of them hospitalized with burns.

Hundreds were evacuated in the aftermath of the disaster Monday, when a gigantic sludge reservoir burst its banks at an alumina plant in Ajka, a town 100 miles southwest of Budapest, the capital. The torrent of sludge, estimated at 185 million gallons, inundated homes, swept cars off roads and damaged bridges.

Hungarian environmental experts said that the spill could have devastating environmental consequences and that it threatened to pollute the Danube, causing long-term damage to ecosystems and killing fish and vegetation. The agricultural soil that is now under the sludge will have to be replaced at a potentially high cost, the experts said.

The sludge is a waste product in aluminum production that contains heavy metals and is toxic if ingested.

In Kolontar, a town close to the plant, Erzsebet Veingartner was in her kitchen when the 12-foot-high wave of red slurry hit, sweeping away everything in its path.

"I looked outside and all I saw was the stream swelling like a huge wave," the 61-year-old widow said Tuesday as she surveyed her back yard, still under 6 feet of noxious muck.

"I lost all my chickens, my ducks, my Rottweiler and my potato patch. My late husband's tools and machinery were in the shed and it's all gone," sobbed the woman, who gets by on a $350 monthly pension.

Threat to Danube

Emergency workers wearing masks and chemical protection gear rushed to pour 1,000 tons of plaster into the Marcal River in an attempt to bind the sludge and keep it from flowing on to the Danube about 45 miles away. Nearby, desperate villagers waded through the toxic mud trying to salvage possessions with little more than rubber gloves as protection.

The 1,775-mile-long Danube passes through some of the continent's most pristine vistas from its origins as a Black Forest spring in Germany to its end point as a majestic stretch of water emptying into the Black Sea.

Now a murky green — not blue as immortalized in the Strauss waltz — the river flows through four former communist nations. One of the continent's greatest treasuries of wildlife, it has been the focus of a multibillion dollar post-communist cleanup. Cormorants, swans and other birds are now common sights on the river.

Still, high-risk industries such as Hungary's Ajkai Timfoldgyar alumina plant are producing waste near some of its tributaries, posing a threat to the waterway.

By Tuesday, about 35.3 million cubic feet of sludge had poured from the reservoir, flooding a 16-square-mile area, Environmental Affairs State Secretary Zoltan Illes said. He called the spill an "ecological catastrophe."

Dozens of villagers were burned when the caustic material seeped through their clothing. Two women, a young man and a 3-year-old child were killed, and health officials said two of the injured were in critical condition.

Jumping to safety

Because chemical burns can take days to emerge, seemingly superficial injuries can turn deadly as they penetrate deeper tissue, Dr. Peter Jakabos of Gyor Hospital told state TV.

In nearby Devecser, the sea of muck in Tunde Erdelyi's house was 5 feet high Tuesday, and rescue workers had to use an ax to cut through her living room door to let it flow out. Her car had been swept into the garden and her husband's van straddled a fence.

"When I heard the rumble of the flood, all the time I had was to jump out the window and run to higher ground," she said tearfully, adding that she was grateful the family's pet rabbit and cat were safe.

Firefighters and soldiers wearing masks, rubber boots and other protective gear waded through the stricken area Tuesday, flushing away the sludge with hoses, aided by dozens of bulldozers, their loaders scraping the polluted ground.

Hungarian Prime Minister Viktor Orban appealed for calm and said the government had set up a team to analyze the accident, which he said might have been caused by human error.

He acknowledged that authorities were caught off guard, telling reporters the alumina plant and reservoir had been inspected two weeks earlier and no irregularities had been found.

Red sludge is a byproduct of the refining of bauxite into alumina, the basic material for manufacturing aluminum. Representatives from industry organizations in the United States and London could not explain why the Hungarian victims were burned by the material, saying if it is properly treated it is not hazardous.

It is common to store treated sludge in ponds where the water eventually evaporates, leaving behind a dried red claylike soil, the officials said.

However, Hungarian environmentalist Gergely Simon said the sludge involved in the disaster had been accumulating in the reservoir for decades and was extremely alkaline, with a pH value of about 13 — nearly equivalent to lye — and that is what caused the burns.

The owner of the alumina plant, Hungarian Aluminum Production and Trade Co., said that according to European Union standards, red sludge is not considered hazardous waste.

The company also denied that it should have taken more precautions to shore up the reservoir, a huge structure more than 1,000 feet long and 500 yards wide, and high enough to dwarf trees that survived the torrent.

Information from the New York Times was used in this report.

Hungary sludge flood called 'ecological disaster' 10/05/10 [Last modified: Tuesday, October 5, 2010 11:51pm]

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