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Residents of San Francisco's Treasure Island are seeking $2 billion in a class-action lawsuit and calling for the island's $6 billion redevelopment to halt until the land is free of contamination

Dozens of residents that live or have lived on San Francisco's Treasure Island have filed a class-action lawsuit saying that officials lied to them for years regarding the full scope of the contamination on the island and their subsequent exposure to it.

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  • The island was once used by the US Navy as a waste dump for contaminants and for nuclear training exercises that resulted in radioactive exposure to the island.
  • The lawsuit stipulates that $2 billion be paid in damages from several defendants and that a $6 billion redevelopment currently planned for the island be paused until all toxic substances are confirmed to have been removed.
  • The US Navy has attempted to clear the site of contamination multiple times, but new signs of radiation are frequently found. Toxic waste and its effects still linger on the island, according to a Reuters investigation .
  • Visit Business Insider's homepage for more stories.

Forty-seven residents of San Francisco's Treasure Island neighborhood, both current and former, filed a class-action lawsuit Thursday against several defendants saying that officials lied to them for years regarding the full scope of the contamination on the island, as reported by the San Francisco Chronicle.

According to the lawsuit, which was filed in San Francisco Superior Court, government agencies and private firms misled the island's occupants in declaring the island to be a safe place to live, ultimately exposing them to potential radioactivity and pollution.

The defendants include the Treasure Island Development Authority, representatives of the US Navy, the California Department of Toxic Substances Control, the San Francisco Health Department, One Treasure Island (formerly known as the Treasure Island Homeless Development Initiative), housing developers Lennar and FivePoint Holdings LLC, and Tetra Tech EC, an engineering firm involved in the botched cleanup at Hunters Point Shipyard, another military-base-turned-housing-development site.

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Residents are seeking $2 billion in damages, citing emotional distress induced by "a fear that they will develop cancer," according to the Chronicle. The lawsuit also demands that a long-awaited $6 billion master-plan redevelopment to transform the island complete with a 8,000 new homes, a hotel, a new ferry terminal, and upscale retailers be ground to a halt until independent reports confirm a "complete and total remediation of all toxic substances, including all radioactive materials," according to the Chronicle.

Katie Canales/Business Insider

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Nuclear training operations resulted in radioactive elements seeping into the soil, and the Navy also used the ground as a waste dump to dispose of contaminants.

Since the 1990s, the Navy has been tasked with cleaning the island and delivering pollution-free parcels of land one by one to the city of San Francisco, which obtained the land in the 1990s to eventually build a grand neighborhood out of the man-made island. Over the next couple of decades, the formerly homeless and others in need of supportive housing would call the island home.

Now with the multi-billion-dollar redevelopment planned, which may or may not be paused as a result of the lawsuit, they'll be joined in the coming years by thousands of new residents.

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Katie Canales/Business Insider

At the time of a Reuters investigation in January 2019, Navy contractors during its cleanup had unearthed 1,289 low-level radioactive objects in the ground beneath the island neighborhood, some in areas it previously deemed to be clear of contaminants. But the Navy published a report in March 2019 stating that there was "no radiological health risk" posed to Treasure Island residents. Six months later though, the Navy disclosed that it had unearthed a chunk of low-level radioactive dirt the size of a basketball that had previously gone undetected, which it also claimed posed no real threat.

Lastly, a September 2019 report in the San Francisco Chronicle revealed that the island was so hazardous it was once considered to be labeled a Superfund site, a classification given to the most polluted areas in the US.

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Katie Canales/Business Insider

When Business Insider met with a resident of 12 years, Trelease Miller, at her Treasure Island home in 2019, Miller said her daughter was one of the handfuls of children that had developed hair loss and puss-filled lumps since moving onto the island.

Former Treasure Island resident Kathryn Buckner told Business Insider's Aria Bendix that she has been diagnosed with melanoma since moving onto the island and had a tumor removed from her left arm in 2015. It is unclear if either Miller or Buckner is among the plaintiffs involved in the lawsuit.

The 2019 Reuters report also revealed that multiple residents had been taking their health problems, like cancer and children's hair loss, to the state for years. But no scientific evidence has been found that definitively proves the land has made residents sick.

A US Navy representative told Business Insider's Aria Bendix that the island is "safe for residents, employees, and visitors." State and federal agencies also maintain that the island is safe.

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See Also:

SEE ALSO: San Francisco's housing market is so dire that the city's historically radioactive Treasure Island is finally getting a $6 billion makeover. Meet the residents who have lived on it for years.

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