the latest surface water sampling results were released by epa in july 2014. all surface water chemical concentrations were found to be below the ersls except for lead. the latest sediment sampling results were also released in july 2014. all sediment chemical concentrations were found to be below the ersls except for aluminum, arsenic, barium, and iron. the latest soil sampling results were released in june 2014. all soil chemical concentrations were found to be below the ersls except for aluminum, barium, iron, and manganese.