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Environmentalists complain about pollution from container terminal and want more mitigation.
Opponents say the fee drives port costs higher and those costs are difficult to pass on to shippers.
The Korean liner company said it will continue to serve the Pacific Northwest region from Seattle.
The port authority saw a 4.9% drop in profits due to higher interest charges and depreciation.
The logistics provider and freight forwarder doubled EBIT and increased profits by more than 600% in 2014.
Containers in stack at Centerm contained trichloroisocyanuric acid, according to the terminal operator.