AP Exclusive: Flooding threatens toxic sites as Irma nears

Dozens of staff from the Environmental Protection Agency are working to help secure some of the nation’s most contaminated toxic waste sites as Hurricane Irma bears down on Florida. The agency said its employees are evacuating personnel, securing equipment and safeguarding hazardous materials ahead of expected storm surges and heavy rains.

The Associated Press surveyed six of the 54 Superfund sites in Florida this week ahead of Irma’s arrival, all around Miami in low-lying, flood-prone areas. There was no apparent work going on at the sites AP visited. The EPA said that if there was no activity, a site should be considered secured but would be closely monitored. The sites were in various stages of federally directed, long-term cleanup efforts.

“If any site in the path of the storm is found to pose an immediate threat to nearby populations, EPA will immediately alert and work with state and local officials and inform the public — and then take any appropriate steps to address the threat,” EPA spokeswoman Liz Bowman said Friday. “So far no sites have risen to this level that we are aware of.”

The AP was not able to fully evaluate each site’s readiness for the hurricane.

A risk analysis by EPA concluded in 2012 that flooding at such sites in South Florida could pose a risk to public health by spreading contaminated soil and groundwater. Flooding could disturb dangerous pollutants and wash it onto nearby property or contaminate groundwater, including personal wells, said Elizabeth “Betsy” Southerland, who retired last month as director of science and technology in EPA’s Office of Water after 30 years at the agency.

“The agency needs to quickly respond with careful monitoring after the storm,” said Southerland, who has criticized EPA’s current leadership under President Donald Trump.

A recent analysis for the Government Accountability Office by two researchers at American University found that a storm surge in South Florida of just 1 to 4 feet could inundate the half-dozen sites visited by AP in recent days. Irma was predicted to push in a wall of water up to 12 feet high.

Of particular concern was the one-acre Miami Drum Services site. It is located over a drinking-water aquifer in a heavily industrial area of Doral, in west Miami-Dade County. The site was once home to more than 5,000 drums of various chemicals, some of which were dumped onsite after the metal containers were washed with a caustic cleaning solution. That solution, mixed with the…

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