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Tsunami debris put in dumps could present future hazards

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BANDA ACEH, Indonesia >> Cars. Fishing boats. Houses. Entire villages. The 2004 tsunami left Banda Aceh with mountains of debris up to 4 miles inland. 

Driving in the remade communities today, it’s easy to wonder where it all went. Some of it is still there — recycled into road materials, buildings and furniture. Some of it was burned, creating new environmental hazards. And most of it was simply washed out to sea.

Ten years after the gigantic wave engulfed this city of 4 million on the northern tip of Indonesia’s Sumatra island on the day after Christmas, Banda Aceh has been almost totally restored. The tangled mountains of rubbish are gone, and it’s hard to imagine the destruction that once choked rivers, blocked streets and ripped up trees by the roots.

The endless heaps of twisted metal, splintered wood and broken concrete have all disappeared except for some scattered reminders for tourists and local residents. A drive along the sea highlights a stunning coastline with new houses perched near the beach. Lush mangroves have been planted to help withstand future tsunamis, fishermen are back at sea and farmers are again working their rice paddies.

Still, authorities are concerned about the health and environmental risks posed by debris contaminated by oil, asbestos and medical waste sitting on the seafloor off the coast and in 32 unregulated dump sites around the city. 

"Unsafe disposal of waste will cause further environmental damage in the long term," said Kuntoro Mangkusubroto, who headed the Aceh and Nias Reconstruction and Rehabilitation Agency, which led the massive cleanup effort and was dissolved in 2009 after the job was judged finished.

Banda Aceh was the city hit hardest by the disaster, which devastated hundreds of communities in more than a dozen countries around the Indian Ocean.

The tsunami left an estimated 13 million cubic yards of debris here, most of it washed into the ocean, Mangkusubroto said. 

For weeks the streets were strewn with rubble, and rescue workers retrieved dead bodies from under houses and in ponds, said Abdul Mutalib Ahmad, who worked at Banda Aceh’s only landfill and witnessed the tsunami from atop a three-story building.

"Debris was everywhere," he said. "We thought we were facing severe public health problems with the massive amount of waste."

Cleaning up the wrecked city was a mammoth, often overwhelming task.

Indonesian authorities say the cleanup was possible only with the help of the international community, including the U.N. Development Program, which oversaw much of it.

"Finally the mounting tsunami rubbish was cleared. For such a huge job like that, the world didn’t leave us alone to face it," Mangkusubroto said.

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